HA16142FP Datasheet, PDF (12/20 Pages) Renesas Technology Corp – PFC and PWM Controller

HA16141P/FP, HA16142P/FP
Internal Timing
1. UVLO
13V
10V
VCC
VREF
4.6V
0V
VREF GOOD
(internal signal)
0V
5V
System Enable
2. Oscillator, Gate driver output
Reference 3.2V
triangle wave CT
200 kHz
(internal signal) _1.6V
PWM-RES
(internal signal)
PFC-DT
(internal signal)
PFC triangle wave
Ramp
100 kHz
(internal signal)
PFC current amp.
output
CAO
PWM current sense
PWM-CS
PWM voltage feedback
(internal signal)
3.4V
0.65V
PWM-OUT
(Trailing Edge control)
PFC-OUT
(Leading Edge control)
Note: All numeric values in the figure are typical values.
Rev.4, Sep. 2001, page 10 of 10