LV5744V Datasheet, PDF (4/6 Pages) Sanyo Semicon Device – Bi-CMOS LSI 2-channel Step-down Switching Regulator

Pin Function
Pin No.
Pin Name
1
CT
2
GND
3
NON1
4
INV1
5
FB1
6
DT1
7
OUT1
8
VCC-5V
9
VCC
10
OUT2
11
DT2
12
FB2
13
INV2
14
NON2
15
SCP
16
VREF
LV5744V
External timing capacitor connection pin
Ground
Error amplifier 1 input (+)
Error amplifier 1 input (-)
Error amplifier 1 output
Output 1 maximum duty setting
Output 1
Power supply for output stage drive
Power supply
Output 2
Output 2 maximum duty setting
Error amplifier 2 input (+)
Error amplifier 2 input (-)
Error amplifier 2 output
Timer latch setting
Reference voltage output
Description
Block Diagram
VCC
Vref
Vref
REFERENCE
VOLTAGE
NON1
INV1
FB1
+
-
Err
Amp1
+
+
-
SCP Comp
NON2
INV2
FB2
SCP
+
-
Err
Amp2
Vref
SR
TIMER
LATCH
R
UVLO
CT
TRIANGLE
OSCILLATOR
-
+
+
PWM Comp1
-
+
+
PWM Comp2
REGULATOR
DT1 DT2 GND
VCC-5V
OUT1
OUT2
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