參數(shù)資料
型號(hào): HA16158FP
廠商: Renesas Technology Corp.
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: PFC & PWM Control IC
中文描述: 功率因數(shù)校正
文件頁(yè)數(shù): 21/23頁(yè)
文件大?。?/td> 236K
代理商: HA16158FP
HA16158P/FP
Rev.0, Aug. 2002, page 21 of 23
ApplicationCircuit Example
CAO
VCC
CT
3.3n
36k
VREF
Rec+
T1
Q1
B+ OUT
GND
(385V dc)
+
Rec
PWM-RES
PFC-DT
PFC-OVP
RAMP
27.5V
220p
I
AC
I
MO
IAC
I
MO
= K {I
AC
×
(V
EO
1V)}
PFC-C
AMP
+
PFC-P
LIMIT
SUPERVISOR
GAIN SELECTOR
Power Saving for PWM
750k
K
V
EO
3.3k
0.1
GND
PFC
-CS
PFC
-EO
47n
1M
PFC
-FB
PFC
-ON
RT
200k
4.7n
From
VRB1(B+monitor1)
VREF
PFC-C
LIMIT
+
+
+
+
B+ LOW
PFC-OFF
Circuit
2.5V
2.80V
3.80V
R
Q
K = 0.20
S
Supervisor
R
PWM-RES
OVP Latch
SOFT START
Q
S
H
L
UVLO
10V
16V
VREF
VREF
GOOD
VREF
GOOD
VREF
GOOD
1.0A(PEAK)
±
1.0A(PEAK)
±
UVL
In
Out
5V VREF
5V Internal Bias
+
K = 0.05
2.40V
+
1.5V
0.1
μ
20k
720k
2.2
μ
+
PWM stop
PFC stop
+
PWM
-CS
R
2R
1.4V
1
(1W)
To
To
From PFC-OUT
To
Unit R:
C: F
+
7.1V
25
μ
A
Vref
RAMP
Vref
VCC
Q S
R
Q
S
R
+
+
4.0V
+
1.7V
+
VREF
PWM
-SS
PFC
-SS
PWM
-COMP
PWM
-OUT
PFC
-OUT
100n
Q2
1n
μ
(470
5.1k
VREF
VREF
VREF
+
4.7
μ
24V
680k
VRB1
680k
from
65kHz
3.4V
1.6V
3.2V
0.65V
130kHz
OSCILLATOR
770ns
15.4
μ
s
7.7
μ
s
3.85
μ
s
H
L
R
Q
S
0.5V
0.25V
33n
25
μ
A
1V
f/64 Divider
CT
2.5k
3.5V
33n
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