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參數資料
| 型號： | NCP1560 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Full Featured Voltage Mode PWM Controller(全性能電壓模式PWM控制器) |
| 中文描述： | 全功能電壓模式PWM控制器（全性能電壓模式的PWM控制器） |
| 文件頁數： | 6/18頁 |
| 文件大?。?/td> | 122K |
| 代理商： | NCP1560 |
NCP1560
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS
(V
in
= 48 V, V
AUX
= 12 V, V
EA
= 2 V, R
T
= 101 k ,
C
CSKIP
= 6800 pF,
R
D
= 60.4 k , R
FF
= 432 k , for typical values T
J
= 25
°
C, for min/max values, T
J
= -40
°
C to 125
°
C, unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
START-UP CONTROL AND V
AUX
REGULATOR
V
AUX
Regulation
Start-up Threshold/V
AUX
Regulation Peak (V
increasing)
Minimum Operating V
AUX
Valley Voltage After Turn-On
Hysteresis
V
AUX(on)
V
AUX(off)
V
H
10.5
6.6
-
11.0
7.0
4.0
11.5
7.4
-
V
Minimum Start-up Voltage (Pin 1)
I
START
= 1.0 mA, V
AUX
= V
AUX(on)
- 0.2 V
V
START(min)
-
19.3
21.5
V
Start-up Circuit Output Current
V
AUX
= 0 V
J
= 25
°
C
T
J
= -40
°
C to 125
°
C
V
AUX
= V
AUX(on)
- 0.2 V
T
J
= 25
°
C
T
J
= -40
°
C to 125
°
C
I
START
13
10
10
8
17.5
-
13.8
-
21
25
17
19
mA
Start-up Circuit Off-State Leakage Current (V
in
= 150 V)
T
J
= 25
°
C
T
J
= -40
°
C to 125
°
C
I
START(off)
-
-
23
-
50
100
A
Start-up Circuit Breakdown Voltage (Note 2)
I
START(off)
= 50 A, T
J
= 25
°
C
V
(BR)DS
150
-
-
V
Auxiliary Supply Current After V
AUX
Turn-On
Outputs Disabled
V
EA
= 0 V
V
UV/OV
= 0.7 V
Outputs Enabled
I
AUX1
I
AUX2
I
AUX3
-
-
-
2.7
1.3
4.6
5.0
2.5
6.5
mA
LINE UNDER/OVERVOLTAGE DETECTOR
Undervoltage Threshold (V
in
Increasing)
V
UV
1.40
1.52
1.64
V
Undervoltage Hysteresis
V
UV(H)
0.080
0.098
0.120
V
Overvoltage Threshold (V
in
Increasing)
V
OV
3.47
3.61
3.75
V
Overvoltage Hysteresis
V
OV(H)
-
0.145
-
V
Undervoltage Propagation Delay to Output
t
UV
-
250
-
ns
Overvoltage Propagation Delay to Output
t
OV
-
160
-
ns
CURRENT LIMIT
Cycle by Cycle Threshold Voltage
I
LIM1
0.44
0.48
0.52
V
Propagation Delay to Output (V
= 2.0 V)
V
CS
= I
LIM1
to 2.0 V, measured when V
OUT
reaches 0.5 V
OH
t
ILIM
-
90
150
ns
Cycle Skip Threshold Voltage
I
LIM2
0.54
0.57
0.62
V
Cycle Skip Charge Current (V
CSKIP
= 0 V)
I
CSKIP
8.0
12.3
15
A
2. Guaranteed by design only.
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