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參數(shù)資料
| 型號(hào)： | HA16142P |
| 廠商： | Renesas Technology Corp. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | PFC and PWM Controller |
| 中文描述： | PFC和PWM控制器 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大小： | 213K |
| 代理商： | HA16142P |
HA16141P/FP, HA16142P/FP
Rev.4, Sep. 2001, page 4 of 4
System Diagram
CAO
VCC
CT
3.3n
36k
VREF
Rec+
1.8m
Q1
B+
B+ OUT
GND
(385V dc)
T1
+
Rec
PWM-RES
PFC-DT
+B HIGH
RAMP
22.2V
100
220p
I
AC
I
MO
IAC
I
MO
= K {I
AC
×
(V
EO
1V)}
PFC-C
AMP
PFC-V
2.5V
PWM-V
AMP
×
1
Gain Selector
Over
Current
Detector
Integrator
Latch Block
910k
K
V
EO
2.7k
0.1
TIM
PG
PFC
-CS
PFC
-EO
47n
750k
PFC
-FB
PFC
-ON
GND
Note: The constants for the external components are for reference. Please confirm the operation when designing the system.
4.7n
From
VRB(B+monitor)
55k
0.5V
VREF
PFC-C
LIMIT
+
+
+
+
+
+B LOW
PFC-OFF
PWM-OFF
Circuit Ground Level
2.75V
2.5V
RB
3.83V
R
Q
Supervisor
K = 0.25
S
R
PWM-RES
Q
S
R
Q
S
H
L
UVLO
H
L
VREF
VREF
GOOD
VREF
GOOD
1.5A(PEAK)
±
1A(PEAK)
±
UVL
5V VREF
5V Internal Bias
+
+
K = 0.05
LOGIC
5V
2.34V
+
1.5V
0.1
μ
51k
5.1k
VREF
Enable to
33k
720k
2.2
μ
+
1V
0.3V
4V
VCC
LOGIC
3V
2.5V
+
+
PWM
-CS
2R
R
5RB
VCC
(0.1
1
(1W)
To T1
To
From PFC-OUT
From
To
Current Monitor
Unit R:
C: F
+
+
7.1V
0.1
μ
38.2
μ
26.2
μ
5.2
μ
Q
S
R
Q
R
S
+
+
O.C
VREF
PWM
-EO
PWM
-OUT
PFC
-OUT
1n
0.1
μ
0.47
μ
μ
(470
1n
51k
+
4.7
μ
(570k
710k
VRB
4.7k
100kHz
3.4V
0.65V
200kHz
Oscillator
500ns
10
μ
s
5
μ
s
1
μ
s s (HA16142)
2.3
820k
10n
HA16141 only
External parts of
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