TEA5110 ,LOW DROP-OUT 5V DUAL VOLTAGE REGULATORCi7 SGS-'rHtNiltSt3hl
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TEA511O
LOW DROP-OUT 5V DUAL VOLTAGE ..
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TEA5110
LOW DROP-OUT 5V DUAL VOLTAGE REGULATOR
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LOW DROP-OUT 5V DUAL VOLTAGE REGULATOR
n OUTPUT CURRENT OF BOTH REGULA- The circuitgenerates a reset pulse when:
TORS : 100 mA GUARANTEED - the supply voltage is applied to the circuit and
n INTERNAL SHORT-CIRCUIT AND THERMAL the output of the second regulator is at its no-
PROTECTION minal value, and
n FIRST REGULATOR OUTPUT : LOW DIS- - when the output of the second regulator is at
CHARGE CURRENT its nominal value again after a shut-down on
n SECOND REGULATOR OUTPUT : SWIT- the output of the first regulator (see figure 2
CHED-OFF WITH ACTIVE DISCHARGE page 4).
u RESET OUTPUT WITH ADJUSTABLE PULSE
DESCRIPTION
The TEA5110 is a dual positive 5V voltage regula-
tor specially designed to supply a microprocessor
and associated circuits.
The first regulator supplies the microprocessor in
normal operating conditions. In standby mode, the
regulator has avery high output impedance (current
. . TEA5110
drain less than 1 pA) and the microprocessor may B ATWING DIP16
d b a batter .
be Powere Y y. (Plastic Package)
The second regulator supplies the peripherals and
provides a halt signal to the microprocessor to turn
it in standby mode.
PIN CONNECTIONS
1 - NC.
2- NC.
3 - Ct : Time constant capacitor
N c. Ex V 16 C) NC. 4 - GND :Ground
5 - GND :Ground
N.C. E 2 15 C) N.C. 6 - Vreset :Resatoutput
ct C 3 14 Cl V1121 7 - I/ov) :Output voltage 1
GND 4 13 GND 8 - N.C.
9 - Vlm : Input voltage
GND 5 12 GND 10 - MC.
V 6 11 V 11 - Vow 2 Output voltage 2
reset 1: j Oi2) 12 - GND :Ground
Vom E 7 IO 3 N.C. 13 - GND :Ground
N.C. 8 9 V 14 - VH2; I Input voltage 2
C 3 I111 15 - NC.
15- NC.
E88TEA5110-01
November 1988 1/5
TEA511O
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VI Input Voltage 20 V
Io Output Current Internally Limited A
Ptot Power Dissipation Internally Limited W
Toper Operating Ambient Temperature Range 0 to 70 °C
Tstg Storage Temperature Range - 65 to 150 "C
THERMAL DATA
Rth(j-a)' Junction-ambient Thermal Resistance 45 °C/W
Rmm Junction-case Thermal Resistance 11 °C/W
- The Rtrm -a) is measured on devices soldered on 35 pm thick copper surface of 40 cm2.
BLOCK DIAGRAM
Low input
VIH) ' voltage
election
Regulator 1 T 0(1)
T h er m al low discharge
protection _-- current limitation
Reference
g r—l—0 u
Regulator --o Vom
active discharge
current limitation
Reset _
Vl(2) "
fl___ _-
.---R-- "man 6 Vreset
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E88TEA5110-O2
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