TA7089P ,GENERAL PURPOSE VOLTAGE REGULATOR
TA7120P ,General Purpose Pre-Amplifier / Voltage AmplifierTOSHIBA, ELECTRONIC " I) IEIDEI?EL}? UULEEBD ?T V
”§5§?fh7-T
ESHIBA.‘ (tIii-tll/tmrs/riff --- ..
TA7130P ,FM IF Amplifier Amplifier and DetectorTOSHIBA1 ELECTRONIC DE octinivr7iyr? DDLEBBB i? T
_ 9097247 TOSHIBA. ELECTRONIC I”. 02E défqééf' ..
TA7137P ,PRE-AMPLIFIER(RECORDING OR PLAYING-BACK WITH ALC TRANSISTOR FOR TAPE RECORDER)TOSHIBA, ELECTRONIC DE DE. ”IBEWEH? UULEEEIB 5 J,,!C,
ELECTRONIC "is-Cds-_,' srl:),')),?,",,] 16 ..
TA7140P ,Voltage Amplifier / Low Output Power Amplifierb CHARACTERISTIC
TOSHIBA, ELECTRONIC Cliil I) nlyr?iilrr? DULEB‘I? E r .
- = " ---. __--'--'- ..
TA7222AP ,5.8W AUDIO POWER AMPLIFIERELECTRICAL CHARACTERISTICS
(Unless otherwise specified,
vcc=12. 5v, RL--' m, Rg=600tl f-- --l ..
TC511664BZ-10 , 65,536 WORD x 16 BIT DYNAMIC RAM
TC514100AP-80 ,80 ns, 1-bit generation dynamic RAMFEATURES
. 4,194,304 word by lbit organization
. Fast access time and cycle time
TCS 1 AIO ..
TC514100ASJ-60 ,60 ns, 1-bit generation dynamic RAMFEATURES
. 4,194,304 word by 1bit organization . Low Power
0 Fast access Lime and cycle time ..
TC514100ASJ-70 ,70 ns, 1-bit generation dynamic RAM4,194,304 WORD x l BIT DYNAMIC RAM
DESCRIPTION
PRELIMINARY
The TC514100AP/AJ/ASJ/AZ is the ..
TC514100AZ-70 ,70 ns, 1-bit generation dynamic RAMBLOCK DIAGRAM
WT!
,_____
UK: DATA m <0 the
w BUFFER
Nth2 CLOCK 2'yt.2l'-...l'-'"
GENERATOR
..
TC514100J-10 ,100 ns, 1-bit generation dynamic RAMFEATURES
. 4,194,304 word by 1 bit organization . Low Power
. Fast access time and cycle time 5 ..
TA7089P
GENERAL PURPOSE VOLTAGE REGULATOR
'ic';")"??;-';'''?'?;-;'''"."," '
ih7? "
ELECTRO
BIPOLAR LINEAR INTEGRATED CIRCUIT
GENERAL PURPOSE VOLTAGE REGULATOR.
SILICON M0N0LlTHl0
Low Output Impedance , Zo =40mn (Typ.)
. High Ripple Rejection t RR=48dB(Typ.)
Build in Current Limitting Circuit
t lvrN-vourF1.8v
t IOUT=200mA(Max.)
. Output Current Op to 5A Can be Supplied by
. Low Drop Out Voltage
. High Output Current:
Connecting External Transistor.
. The TA7089P is Easily Mounted on a Printed
Circuit Board, and is Provided with 14 Pin
Output, 7 Pin GND and 1 Pin Input for
Application as a Power Supply for Digital IC.
MAXIMUM RATINGS
VaU37éQ7 i'i"i"iFiiri'"c''i Q I
Tu5lr-lt-i?3
" 13 12 12 10 9 B
.J- "J-
"ini-ste,,
L1:ea15 2
0510.15 .62~&8
2.54i025
Lead pitch is 2.54 and tolerance is
£025 against theoretical center or
each lead that is obtained on the
basis or No.1 and No.14 leads,
JEDEC -
CHARACTERISTIC SYMBOL RATING UNIT TOBHIBA t5-IID
Input Voltage VIN 35 ll
Terminal Voltage 8 " 7 ll
Output Current IQUT -200 mA
Power Dissipation PD 600 mw
Operating Temperature Topr -30-- 75 °C
Storage Temperature Tstg -55-125 "c
a? e/i"
PIN CONNECTION E :1: E: . . (ig
g ''ii'ii, a 55 Si 'ii',ii,
TOP VIEW o 0.4 2 2 8.1 Til g'g
ll IG 12 11 10 9 8
r-n Tn rm cn cn rn 1'1
P A Vref
LU 1_.I L_l L_J um
I 2 3 4 5 6 '7
S 8 2 E Si g g
\Twnum E
Duhu’fi 1-:
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
'né "t''i'r''t
309nm? uinaaau a ll
"T-"s8-tr-iaey
ELECTRICAL CHARACTERISTICS (Ta=25°C)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP, MAX. UNIT
Input Voltage VIN 1 - 7 - 35 V
o t volt ll 1 7
u ut o a e .
p g OUT IOUT=50mA
Drop Output Voltage lvln-VOUTI 1 Rsc=0, IOUT=200mA 2.0 1.8 - V
Reference, Voltage Vref 1 7IOUT=OmA
Bias Current IB 1 7VOUT=0mA
Ripple Rejection RR 2 VI’FMV’ km” 40 48 - dB
VOUT=1OV, IOUT=SOmA
Output Voltage Temperature - - - g o
Coefficient TCVO 1 *0.02 T,/ C
Output Current Iou’r 1 - - - -200 mA
an=l4v f=lkHz
0 t t I d Z 3 ' - 40 150 mtl
u pu mpe ance o VOUT=10V, IOUT=50mA
I =50mA
Input Regulation Reg-line 1 OUT - - 300 mV
15Load Regulation Reg-load l VIN=15V - - 60 mV
50 www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
2939+; ~ . ~;'
ill .xl
51-h!” '-‘
.Hy‘d.
d 5'":
‘MMi $11323
TOSHIBA;
TA7089P
EQUIVALENT CIRCUIT
INPUT C)
ELECTRONIC Cliil
ocflnryriwr? 0015136]; q [l
14-5831 i-bg
gi " OUTPUT
69 CURRENT LIMIT (+)
F, CURRENT LIMIT (-)
@ FREQUENCY
COMPENSATION
Ci) OUTPUT SENSE
STANDARD APPLICATION CIRCUIT (10V, -100mA)
VINgl4 VDG
RSC 4.zn(1/4w)
INT’UT o---------) 1 GI A', A9 OUTPUT
CD A lOV(lOOmA)
n TA7089P ES}! A A
t C)----- "K..', t t
tl CO----- n n
-- 8 .4-v -- v
t T" A "hi - FA
T 0 GND
1 o 0 apr-
33 k0.( 1/4w
Note t IC Protecting Diode
When the surge voltage is applied to the IC output or when VIN+ becomes more
than VOUT+(CIN VOUT) at times of power ON or OFF.
It ls required to cannot high speed diodes between Input and output terminals.
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
MEMfi "xaSifth%aaM 'a-Shirt/tEels',', tgt MST 'm‘ MP%teS, -- “WM“ “N -3irq8RMy ... EN aTSarNE%e* '
TOSH Bh, EL CTRONIC Di? D [19097EU7 DULHBBE l,
TA7089P
Tuser. -
STANDARD PRINT BOARD I I DB
PATTERN
.--" \ Ritto
we"" I,, \ ftiy2------"
l OUTPUT \ N
E) t 8 9 0®® 3 l
C)(iD s l s (ii)?)
1000pl?
" C) N
m ItlPUT 3
TEST CIRCUIT J
1. VIN, VQUT, IVIN-VQUT], IOUT» IB, Vref, Reg-line, Reg~load, TCVO
Esp rpg
J. C1 G m/
TA'7089P D----- t ' ti '
g Ch ref 3: (ii q vous
VIN‘; KB}
TCvo =
IB = IIN-IOUT
1ya:cC7grg).cJamLz2p1'p,1
VOUT(25°C) x 105
= 'iii" x Vref
y 100 (rt/''c)
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
OOAXIAL CABLE
$584193
ei=5VP_P(£=1kHz) 619 S" J
H-- J' F--"
TA'7089P tb l
Bt Ch d
el Q ti,
VIN x: 8
C? g" a
Ripple Rejection
RR = 20 Bog 10 (ii-f: (dB)
VOUT=10V
VIN 1;! TAP0BPP
Q") n:
ldEOPF
Zo Calculation Method
= e1 . 2
Rs+zo o
e0:€;.zo
Therefore, 20 = 'e . RS (0.)
(r: 1 kHz)
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
EhtS .34 =
www.chipdocs.com
TOSHIBA, ELECTRONIC ma DEE nCln'? L4? unmaau n T'
TA7DRQP
DECISION CHART OF RESISTOR R1
ita--a6ktl ti'
A 40 a
a? 50 H
2 20 E
'i'; o
2ty 25
IVOUTI (V)
6 10 16 30
OUTPUT VOLTAGE
PD MAX - Ta
g 600 a
g oo ao 50 T 100 125 160
AMBIENT TEMPERATURE Ta (ta)
ne-sa-nr-are, -
IOUT MAX - VIN
NO HEAT SINK
Tu=75'C
VOUT=1 0V
10 15 20 25 GO
INPUT VOLTAGE VIN (V)
1rouy - Ta
5 0 25 50 75 00
AMBIENT TEMPERATURE Ta ('0)
Be sure to visit ChipDocs web site for more information.
y' u: LS :5. MAY.
TA7089P
NIC DE Tq1y'ri'iyc? 0013365 l fl
T55, fl -D3
-_ n mgr, ,. ..-
NNN) _ AE M,
Z0 - f VoUT - IOUT
250 102
'ii' V1151” A VIN=15V
V 200 VDUT=1W t, 1rotpr=10v
o TF2“ bl“ Ta=25'C
M 150 >
if g lilo
g 100 S
E S 99
S 50 a
100 101 102 Ids 104 105 105 O 50 100 150 200 250
FREQUENCY r (kHz) OUTPUT CURRENT IOUT (IDA)
A IOUT MAX - Ta
fi? V NO HEAT SINK
cf, 50 E VIN=10V
g g VOUT=5V
E VIN=14V :
g a VOUT=10V g
g Tar--2tst', 3
100 1k 10k 1001; m IOM 103M 3 -50 -25 o 25 so 75
FREQUENCY f (Hz) AMBIENT TEMPERATURE 'ra Cc)
. - Loam
cunx . - -.
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
TOSHIBA, ELECTRONIC DE "rlnlvri'ie'i' fMlhn3lhl, 3 -
_ _ --rdt-i r-Ss"
TA7089P
BLOCK DIAGRAM
CONTROL
CIRCUIT D
i5ig 'il/l/il "
INPUT ti g g H o ' LOAD
a. g ERROR g ie, E
g ts AMPLIFIER --o- b 9 o
METHOD OF USE AND GENERAL PRECAUTIONS
1. Input Voltage Range
The TA7089P can be used at 7--3W.
2. Output Voltage Setting
VIN Ip' i
“=4. + Q LOAD
-- " ' . P
t C) g I
Output voltage ls set by resistor R1 (See resistor-output voltage characteristic
diagram . )
Vref (R]+R2)
If VOUT MI 2
Where, Vref=3V
R2=3.3ka
Output voltage is
[VOUT=0.9 x 10-3 x R1+3 (v)
VIN>VOUT+2
Output voltage setting range is 3.3--33v,
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
n 7 - i “w,“ - .
1T'li"irrf'? n2 BE [3havau7 UULH357 5 l]
_ T-Tie-ti-CSB
TA7089P
3. Power Dissipation
Internal power dissipation PD in IC at normal operation ls
PD=VIN xIB+(VIN-V0UT) x100T
Where, IB , Bias Current VIN t Input Voltage
[VOUT t Output Voltage IOUT l Output Current
Power dissipation at output shorted condition.
PD=(Isc+IB)VIN
Max. Power dissipation PD MAX. must be as follows I
Where, To' MAX. ; Junction Temperature
Ta ; Ambient Temperature
Rth l Thermal Resistance
Tt MAX. and Rth of the TA7089P are l
Tj MAX. = 125°C
Rth=l65°C/W (Free Air)
4. Rang of Output Current
Rang of output current is 0-200mA.
When output current ls above 200mA, use external transistors.
(See Application circuits.)
5, Control of Output Current
The TA7089P has a build-in output current limitting transistor and is therefore
capable of constant current and fold back current limitting.
The constant current Is limited as shown in the following diagrams.
RSC OVER CURRENT PROTECTIVE
CHARACTERISTICS
C11? w
1 ID, -t)
TA'TOBQP U f
INPUT 8 " OUTPUT 1
'7 . to .
(1) 1 Iou'r MAX.
o7 . 4)
Iou'r ----
www.chipdocs.com Be sure to visit ChipDocs web site for more information.
Vanfi7aui‘uuifiaha”?
TOSHIBA, ELECTRONIC dé
TA7089P
t st ir-ire,
Output current is limited at a point where voltage in RSC drops to voltage
between the transistor base and emitter VBE (about 0.65V at Tj=25°C)
- A _'. - . - .
Rsc - IOUT MAX. Where, vrsr--rvrsE%=25 C) - 2X10 3 (T345)
6. Phase Compensating Capacitor
Select a capacitor having capacity 0.1/1F-1000pF according to the external wiring
conditions. Normally, use a capacitor at lOOOpF.
7. Output Capacitors
Output capacitors of IMF and 0.1PF shall be mounted parallelly.
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
www.chipdocs.com
TA7089P
TOSHIBA,
ELECfRdNIc 02’
DEI q093éu7 'r'i7E"li7i"'l; a
--r:isr8-u-aB
DECISION CHART 0F RESISTOR R1
R2=33kn
(iii/ji)''
",js't''f
OUTPUT VOLTAGE VOUT (v)
Be sure to visit ChipDocs web site for more information.
ELECTRONIC
'f''i"i7E'irr.',
Tiii7i7iTi tl'i"G'''s'itih' s |
TA7089P
'r-sa-u'93
BASIC EXAMPLE OF 10#F MOUNTING 0F TA7089P 0N PRINTED CIRCUIT BOARD
(LOCAL REGULATOR APPLICATION)
PRINTED CIRCUIT BOARD
FILTER CAPAG IT DR
H m o: g :13.
IJJTFI‘III‘“T
TA'IOBQP TA'7089P TA7089P
EXTERNAL EXTERNAL EXTERNAL.
CIRCUIT CIRCUIT CIRCUIT
TA'7089P , 13109 8 TA7089P TA'7089P TAVOBQP
. I r----4', _ ---H 'r-
POWER I
SUPPLYI -,'
(INDI- l,
L. _...,.,.-.-..-..----.----------------- -f '- - - - -
ADVANTAGES
. Mutual effect between raws can be ignored.
. Adjustment is simple as malfunction due to noise is reduced.
. Pattern design is simple as the pin arrangement is 14 pins for output, 7 pins
for GND and 1 pin for input.
. THL. 1C, TTL. IC and other supply voltages can be incorporated Into a same printed
circuit board .
with 3,. .
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
- - -iil
TA7089P “V98 il ts
- TOSHIBA1 ELEVDEI'D77 iiirici:iiich 73F
l APPLICATION (1)
l, Circuit Diagram
AAA, ' ' ' ' -o VOUT
TAWOBQP
2. Decision of Circuit Constant
Circuit specification
. Output Voltage VOUT=6V
. Max. Output Current IOUT MAX.=50mA
. Output Limitting Current Isc=70mA
Decision of voltage dividing resistors R1 and R2
A resistor of 3.3kn is used as R2 by considering current balance of a
differential amplifier.
R1 is obtained from the following expression or the resistor R1 set-up table.
VOUT =%X Vref
Vref is in the range of 2.7~3.3V from the specification.
When R1 is obtained through calculation according to the above, it Is
2.7kn SRISrC4kn
Further, r-hka is obtained from the R1 set up table.
Therefore, Resistor R1 would be 3ktl (fixed) + lkn (variable resistor).
Decision of RSC.
Current limitting resistor RSC value is obtained from the following
expression t
VBE " RSC x ISC
VBE ' Base to emitter voltage of an Internal current limitting
transis tor .
www.chipdocs.com Be sure to visit ChipDocs web site for more information.
Md Fl E2hh MM th '-
fl'"'? H? 001 3
A value at T"Td ls applied.
Assuming that a value of VBE (at Tj=125°C) ls 0.45V, RSC is 6.4nwhen Isc--7anA
is substituted.
Decision of Min. Input Voltage
Min. Input voltage VIN MIN. which is required to operate this circuit is
VIN MrN.---vornrrlvsN-vovTl+VR
VR I Voltage between Rsc
Where, VoUT=6V
IviN-vouTl='2v (from the Electrical characteristic table)
VR=O.65V
Therfore, VIN MIN.=B.65V
Decision of RD
RD ls dummy resistor used to flow current constantly in order to operate the
circuit stability. I
Required current is approximately 3mA.
RD = %¢1.8kn
Calculation of PD
At the normal condition, max. power dissipation of IC is obtained from the
following expression I
PD=VIN>Power dissipation at load shorted condition ls obtained from the following
expression ..
PD=VINXIB+(V1N‘VR) A Isc
Designing should be made carefully by calculating power dissipation at time
of load shorted, Input voltage and transformers so that PD MAX. Is not
exceeded.
TA7089P
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
TOSHIBA, ELECTRONIC DE ocflcuotri''" 00133513 Cl
.r-% .01“.
__-et-c- i-.---"- --.er-_ -r-ssg-ir-a3
TA7089P
_APPLICATION (2) CURRENT BOOST CIRCUIT EXAMPLE
1. CIRCUIT
'd,' ‘OVOUT
\i/ " H?
VRipp N TA’TOBQP o n: .t,,.. tcl'
m< d I H
VIN -- -:
(11/11fl
lOOOpF
2, Decision of Circuit Constants
Circuit Specification
. Output Voltage. VOUT 5V
. Max. Output Current IOUT MAX. IA
. Current Limitting Protection Circuit
. 'Decision of Voltage Dividing Resistors R1 and R2
, A resistor of 3.3k is used as R2 by considering current balance of a
differential amplifier.
R1 is obtained from the following expression ,
VOUT ="-i1iitit'-2- x Vref
When the resistor RI setting table (2) is used,
R1 = 1.5m~31&
Therefore, R1 would be 1.5kn (fixed) + 2kn (variable).
. Decision of Rsc
VBE = Rsc XIsc
Assuming that
Isc=l.2A
VBE=0.65V
= VBE = 0.45V (T =125°C) =
Rsc _Isc 1.2 0.4 (n)
Anya.- a
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
T55” , '95 th7089P
TOSHIBAa ELECTéo
NEE nag
''irrr'irri'1'i'n"ri'o''r1rs
- - 94-14. -
Rated capacity is
0.65VX1.2A = 0.78 (w)
Rsc=0.4n (IH)
. Decision of Min. Input Voltage
Obpaihd Min. input voltage of the circuit.
VIN MIN = VOUT + IVIN - VOUTI + VBE + VR
VR .. Voltage between RSC
when, VOUTJVIN - VOUTI , VBE, VR
expression, VIN MIN = 5.0 + 2.0 + 0.7 + 0.6
" 8.3 (V)
Further, as the catalog standard ls 7V or above,
VIN MIN = 8.3 (V)
. Decision of R3
Resistor R3 is to be inserted for stabilizing the circuit and several mA
would be sufficient.
When the circuit is designed by assuming that current is 5mA.
_VBE_0-ii
R3"--i' - m Tlsom)
. Decision of RD
Resistor Ro is used to apply dummy current and functions to stabilize the
circuit together with R3.
1--1au is generally accepted. The design is made here at 5mh.
ID 5111A
Summary
R2 3.3kn
RI 1.5kn (fixed) + 2kn (variable)
RSC _ 0.40 (IU)
R3 150n
RD lkn
VIN MIN. 8.3V
rdfi‘bu
-ufiu i
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
v1: - amt}; ~u u
51% iri"irGi"ii's' ii' ii"
7384/2233
3. Parastic Oscillation Prevention
To prevent a parastic oscillation, Insert a capacitor of about 0.1AF into the
Input and output sides. It would be effective when the capacitor ls Insert as
clase as to IC terminals.
h. Example of Output Voltage Ripple Value Calculation
Assuming that input ripple voltage is 3 Vp-p AC,
. VIN = lOVDC + 3vp-p AC
However, actual mean value of full load Input voltage when voltage fluctuation
at the transformer primary side is considered 13 12V DC.
1f'NCNCN 1av
INPUT WAVEFORM
Obtain output ripple voltage.
As Reg. In is min. 40(dB) from the standard data table,
(Output ripple voltage) = 30mVp_p AC.
5. Selection of Power Transistor
Full Load Input Voltage 12V (AVG)
Output Voltage 5V
Output Current IA
When PD MAX. is obtained from the above data,'
PD MAX = (12-5)x l
= 7 (w)
However, when power dissipation resulted from output short is calculated.
PD MAX = 12 X1.2 _ 14.4 (w)
2SD867 (or equivalent) is selected this time from TOSHIBA SEMICONDUCTOR
HAND BOOK.
www.chipdocs.com Be sure to visit ChipDocs web site tor more information.
T' 55-1 1 ~33,
TA7089P
6. Design of Heat Sink
I) Design of power transistor radiation
From the 2SD 867 data table (TOSHIBA SEMICONDUCTOR HAND BOOK)
Rth(j-C) = -f6TC-'" l. 25''C/H
Therefore, Rth(j_a)=l.25+l.0+Rth(f)
(It is assumed that Rth(s)+Rth(c)=1.0°C/w)
PD MAX " 14.4w _
Td MAX " 150°C
Ta=60°C (Including temperature rise in device)
From the above data,
= 12 MAX - Ta = 150-60 = "
Rth(5'a) PD MAX 14.4 6.2 cN
Accordingly, thermal resistance required for a heat sink is,
Rth(f) = Rth(r-a) - Rudi-c) - Rth(s) - Rth(c)
6.2 - 1.25 - 1.0
3.95°c/w
When an Ad heat sink ls used, size required can be seen as follows from
TOSHIBA SEMICONDUCTOR HAND BOOK t
100mm bt 170mm X 2mm
Further, in actual designing it is a general practice to derate Td MAX
taking reliability into consideration.
2) Design of IC Heat Sinking
Max. power consumed In IC is obtained from the following expression '
I -v . /R3 VBE 2
P MAX = ll MAX-V x__§g__§§121___.+ Lrt..rkL21+ I MAX
D ( IN BE(1)) hFE(MIN) R3 B
Assuming that
VBE(1) I VBE of current limitting internal transistor = 0.65V
VBE(2) I VBE of power transistor = 0.65V
hFE MIN I Min. value of hFE of power transistor
(at IC=ISC)*40 -
IB MAX t Max. value of bias current of TA7089P = 6nA
PD MAX is above 504mil.
www.chipdocs.com
Be sure to visit ChipDocs web site for more information.
_'fNfim 1!, _ C'
, TOSHIBA, ELECTRONIC ma M:flnioTi'iyi'i' 001.93%? a T
q IVBER)
If MAX.
IN 1 Wm)
TA7089P
7. Application
Specification
VIN 12ch + 3vP-PAc
VOUT 5VDC + 3tyWP-PAc
IL MAX 1.2A
Current limitting protection circuit
Example 1. Current Boost Circuit
zspnoy (140(1W) tN
Q (IA)
fl (3:,
_ {1] S v t
G)--------- “V‘ Cl A
stP TA'7089P g, f ti it "
AC Co) E33? T-il-", A
A. Pl '
m, 5 _
.- ct it Ci)
12VDC "g sl:lo', 9 ct
tt S? ‘
2SD876 Heat Sink (Rth) = 3.95°c/w)
100 M l70x 2mm M _
www.chipdocs.com Be sure to visit ChipDocs web site for more information.
ME gnu“
TOSHIBA, ELECTRONIC DE DED‘ID‘WEH? 0131151396 Cl
TA7089P
1158'11'95
,\r~,.i~:.-ax, 1,. _ "___.---"--"-,
Example 2. Positive and Negative Power Supplied
----0) 43+Vou'r
TAvoegp
vRipp h
_.'), 3 4?:
"tl 7 d IH
. T . I J rl,
TAVOBQP
Rlpp t Da f A'
'3” E TI,-, A 0
T d '7 9 l d IH
' T O‘Vou'r
Use diodes having less forward voltage drop for DI and D2.
www.chipdocs.com Be sure to visit ChipDocs web site for more information.
www.ic-phoenix.com
.
