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參數(shù)資料
| 型號： | HA16178P |
| 廠商： | Renesas Technology Corp. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Power Factor Correction Controller IC |
| 中文描述： | 功率因數(shù)校正控制芯片 |
| 文件頁數(shù)： | 23/25頁 |
| 文件大小： | 262K |
| 代理商： | HA16178P |
HA16178P/FP
REJ03D0903-0100 Rev.1.00 Jun 12, 2007
Page 23 of 24
System Diagram
From OUT
To
Q1 gate
Rec+
Rec–
B+
Q1
1.75 M
0.016
(5 W)
680 k
30 k
470 p
B+ OUT
(385 V dc)
GND
470
μ
(450 V)
To FB
From
VRB1 (B+ monitor1)
VRB1
3.3 n
33 n
820 k
20 k
2.2
μ
0.1
μ
720 k
24 V
680 k
4.7
μ
T1
4.7
μ
100
0.01
μ
from
auxiliary
VREF
VREF
3 M
27 k
1000 p
1000 p
Gate Driver
±
1.0 A (PEAK)
5 V Internal Bias
VCC
IAC
CS
CAO
PGND
FB
EO
OUT
27.5 V
5 V VREF
Generator
PFC-ON
0.1
μ
VREF
UVL
PFC-DT
RAMP
RT
K = 0.20
K = 0.05
B+OVP
PFC-OFF
25
μ
A
SS
CT
Oscillator
65 kHz
15.4
μ
s
770 ns
0.65 V
3.6 V
V
AMP
Gain
Select
FB LOW
VREF
GOOD
VREF
GOOD
In
Out
C
LIMIT
3.3 k
55 k
C
AMP
VREF
IMO = K
×
{IAC
×
(VEO – 1 V)}
IMO
IAC
VEO
2.5 V
K
–
0.30 V
0.50 V
VREF
1.75 V
1.60 V
2.688 V
2.638 V
VREF
SS
Gain
Selector
UVLO
H
L
10.5 V
9.0 V
R
S
Q
Q
R
S
Q
Q
6
1
15
2
SGND
3
16
9
10
7
12
8
14
13
5
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