ha16158 Renesas Electronics Corporation., ha16158 Datasheet - Page 3

• Manufacturer Part Number: ha16158
• Description: Pfc & Pwm Control Ic
• Manufacturer: Renesas Electronics Corporation.

HA16158P/FP
Block Diagram
Rev.2.00 Jan 30, 2007 page 3 of 23
PFC-
PFC-
PFC-
GND
ON
EO
FB
12
11
5
1
COMP
PWM-
2.5V
VTH: 2.80V
VTL : 2.60V
VTH: 3.80V
VTL : 3.40V
VTH: 1.50V
VTL : 1.20V
IAC
V-AMP
15
10
PFC-OVP
Vref
PFC ON/OFF
1.7V
1.4V
Multiplier
Selector
Gain
PFC-CS
2RA
RA
f/64 Divider
PWM-
8
CS
Rmo
3.3k
C-AMP
1V
Oscillator
16
7
−0.25V −0.5V
CAO
PFC-FB
14
25µ
4.0V
PWM-
SS
3.5V
C-LIMIT
VREF
PWM Control
Vref
B+
supervisor
LOGIC
GOOD
VREF
OVP Latch
PFC Control
RT
Oscillator
LOGIC
Oscillator
9
PFC-CLK
(PWM-CLK/2)
Oscillator
UVLO
VREF
VTH: 2.40V
VTL : 1.50V
PFC-FB
VREF
±1.0A
±1.0A
25µ
13
4
6
3
2
VCC
VREF
PFC-
OUT
PFC-
SS
PWM-
OUT
VREF