HA16158P Datasheet, PDF (3/23 Pages) Renesas Technology Corp – PFC & PWM Control IC

Block Diagram
HA16158P/FP
Vref
PFC-
EO ₁₂
IAC ₁₀
PFC-CS ₈
Multiplier
Rmo
3.3k
7 ^CAO
C-LIMIT
RT ₉
Oscillator
UVLO
4 ^VCC
PFC-
FB ₁₁
2.5V
V-AMP
PFC-OVP
C-AMP
–0.25V –0.5V
VREF
6 ^VREF
PFC-CLK
(PWM-CLK/2)
PFC Control
LOGIC
±1.0A
3 _PFC-
OUT
PFC-
ON ₅
VTH: 2.80V
VTL : 2.60V
Gain
Selector
VTH: 3.80V
VTL : 3.40V
PFC ON/OFF
GND ₁
VTH: 1.50V _1.7V
VTL : 1.20V
2RA
1.4V RA
PWM- ¹⁵
Vref
COMP
Oscillator
f/64 Divider
1V
PWM- ¹⁶
CS
VREF _VREF
GOOD
B+
PFC-FB ^supervisor
PWM Control
LOGIC
3.5V
25µ
Oscillator
4.0V
14 _PWM-
SS
OVP Latch
VREF
VREF
Oscillator
25µ
13 _PFC-
SS
±1.0A
2 _PWM-
OUT
VTH: 2.40V
VTL : 1.50V
PFC-FB
Rev.0, Aug. 2002, page 3 of 23