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IRU3065CL-IRU3065CLTRPBF Fast Delivery,Good Price
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IRU3065CLIRN/a179avaiPositive to Negative DC-DC Controller
IRU3065CLTRPBFIRN/a15000avaiPositive to Negative DC-DC Controller


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IRU3065CL-IRU3065CLTRPBF
Positive to Negative DC-DC Controller
Intern ati on al Data Sheet No. P094703 revA
TOR Rectifier ( )
POSITIVE TO NEGATIVE DC TO DC CONTROLLER
PRODUCT DATASHEET
FEATURES DESCRIPTION
u Generate Negative Output from +5V Input The IRU3065 controller is designed to provide solutions
I: IA Maximum Output Current for the applications requiring low power on board switch-
u 1.5MHz maximum Switching Frequency ing regulators. The IRU3065 is specifically designed
" Few External Components for positive to negative conversion and uses few com-
" Available in 6-Pin SOT-23 ponents for a simple solution. The IRU3065 operates at
high switching frequency (up to 1.5MHz), resulting in
APPLICATIONS smaller magnetics. The output voltage can be set by
I: Hard Disk Drives using an external resistor divider. The stability over all
I: Blue Laser for DVD R-W conditions is inherent with this architecture without any
n MR Head Bias compensation. The device is available in the standard
I: LCD Bias 6-Pin SOT-23.
ll GaAs FET Bias
" Positive-to-Negative Conversion
TYPICAL APPLICATION
' I 5V
BAT54 10uF I
VDD C1 1uF T
Vcc ' ll Ill
100pF - Q1
U1 VGATE re-f IRLML5203
|RU3065 K . VOUT (-5V)
Gnd L1 1OBQO15 i C6
1.2uH 10uF
ISEN l
VSEN RI -
R2 T R3
VREF = 5V VOUT = -VREF M E
10K 10K R2
Figure 1 - Typical application of IRU3065 for single input voltage.
PACKAGE ORDER INFORMATION
Basic Part (Non Lead-Free)
TA (oC) DEVICE PACKAGE OUTPUT VOLTAGE
0 To 70 |RU3065CLTR 6-Pin SOT-23 (L6) Adjustable
Lead-Free Part
TA (°C) DEVICE PACKAGE OUTPUT VOLTAGE
0 To 70 |RU3065CLTRPbF 6-Pin SOT-23 (L6) Adjustable
1

International
IRU 3065 PbF . .
( ) TOR Rectifier
ABSOLUTE MAXIMUM RATINGS
Vcc B........................................................................ 7V
VDD P........................................................................ 12V
Operating Junction Temperature Range ..................... 0°C To 125°C
Operating Ambient Temperature Range ..................... 0°C To 70°C
Storage Temperature Range ...................................... -65°C To +150°C
ESD Capability (Human Body Model) ........................ 2000V
PACKAGE INFORMATION
6-PIN PLASTIC SOT-23 (L6)
TOP VIEW
VGATE [I 6 Vcc
Gnd IE a VDD
VSEN E ISEN
9JA=230°CIW
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, Voo=7V, CGATE=470pF, RSEN=0.125Q,
RFDBK1=RFDBK2=1OKQ (to Vcc), fs=1.2MHz, Inr-0.25A and TJ=0°C to 125°C. Typical values refer to TJ=25°C.
PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS
Recommended Vcc Supply Vcc Note.1 4 5 V
Recommended Voo Supply Von 4 v
Operating Current Ice 3 mA
Initial Output Voltage Accuracy Measured in application -l % 1%
TJ=25°C, Votf=-5V
Output Accuracy Measured in application -2% +2%
over temp. Vout=-5V.
Voltage Feedback Sense VVSEN 0 V
Voltage Feedback Input Offset VVoff -l 0 10 mV
Voltage Feedback Bias Current IVBIAS 2 WA
Peak Current Sense Voltage Vls 145 mV
Min Current Sense Voltage Vls 50 mV
Current Sense Bias Current “BIAS 2 WA
Output Drivers Section
Switching Frequency fs Note. 1 1.5 MHz
Max Output Duty Cycle Dmax 100 %
Min Output Duty Cycle Dmin 0 %
Rise Time Tr 10% to 90% Vgate high 40 ns
Fall Time Tt 90% to 10% Vgate going low 40 ns
Propagation Delay from T, Vsens=1V. Isens from 0 to 100 ns
Current Sense to Output 250mV. Delay time between
90% of Isens to 10% of Vgate
Note. 1. guarantted by design
2

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