BA9743AFV-E Datasheet, PDF (8/17 Pages) Rohm – A 2-channel ICs, incorporating a switching regulator controller that uses a pulse width modulation.

BA9743AFV, BA9744FV, BA9741F/FS

VREF 16
Vcc
9
REFERENCE
VOLTAGE
CT
RT
1
2
TRIANGLE
OSCILLATOR
NON1 3
INV1 4
FB1 5
ErrAmp1
SCP COMP
NON2 14
INV2 13
FB2 12
SCP 15
ErrAmp2
VREF
S
R
TIMER
LATCH
VREF(BA9741F/FS,
BA9743AFV)
VCC(BA9744FV)
R
UVLO
6 11
DT1 DT2
Technical Note
PMW COMP1
7 OUT1
PMW COMP2
8
GND
10 OUT2
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22001131.0.034--Rev. CB