HA16178P Datasheet, PDF (3/25 Pages) Renesas Technology Corp – Power Factor Correction Controller IC

HA16178P/FP
Block Diagram
RT
9
CT
10
CAO
7
VCC
16
27.5 V
10.5 V
H
UVLO
L _{9.0 V}
770 ns
15.4 µs
3.6 V
0.65 V
65 kHz
Oscillator
PFC-DT
RAMP
IAC
12
IMO = K × {IAC × (VEO – 1 V)}
IAC
IMO
C_AMP
CS
8
EO
14
K
3.3 k
Gain
Selector
2.5 V
55 k
Gain
Select
K = 0.20
K = 0.05
VREF
SS
VREF
C_LIMIT
–0.30 V
UVL
RQ
SQ
RQ
SQ
5 V VREF
Generator
5 V Internal Bias
VREF
6
VREF ^In
GOOD _Out
VREF GOOD
Gate Driver
± 1.0 A (PEAK)
1
OUT
VREF
FB
13
V_AMP
2.688 V
2.638 V
B+OVP
25 µA
15
SS
PFC-ON
5
0.1 µ
0.50 V
1.75 V
1.60 V
FB LOW
PFC-OFF
PGND
2
SGND
3
REJ03D0903-0100 Rev.1.00 Jun 12, 2007
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