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參數(shù)資料
| 型號(hào)： | NCP1562A |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | High Performance Active Active Clamp/Reset PWM Controller Controller(高性能有效Clamp/Reset PWM控制器) |
| 中文描述： | 高性能主動(dòng)有源鉗位/復(fù)位PWM控制器控制器（高性能有效鉗位/復(fù)位的PWM控制器） |
| 文件頁(yè)數(shù)： | 6/26頁(yè) |
| 文件大小： | 277K |
| 代理商： | NCP1562A |
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NCP1562A, NCP1562B
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS
(V
in
= 48 V, V
AUX
= 12 V, V
UVOV
= 2.3 V, V
EA
= open, V
CSKIP
= 0 V, V
CS
= 0 V, V
SS
= open,
R
T
= 13.3 k , C
AUX
= 10 F, C
T
= 470 pF, C
out1
= C
out2
= 100 pF, C
UVOV
= 0.01 F, C
CSKIP
= 6800 pF, R
D
= 25 k , R
SYNC
= 5.0 k ,
C
REF
= 0.1 F, R
FF
= 29.4 k , C
FF
= 470 pF. For typical values T
J
= 25
C, for min/max values, T
J
is – 40
°
C to 125
°
C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
STARTUP CONTROL AND V
AUX
REGULATOR
V
AUX
Regulation (V
UVOV
= 0 V)
Inhibit Threshold V
Startup Threshold/V
Operating V
AUX
Valley Voltage
Minimum Operating V
(V
UVOV
= 2.3 V, V
EA
= 0 V)
oltage
AUX
Regulation Peak (V
AUX
Increasing)
AUX
Valley Voltage after Turn-On
V
inhibit
V
AUX(on)
V
AUX(off1)
V
AUX(off2)
–
9.65
7.42
6.50
1.15
10.3
8.0
7.0
1.5
10.97
8.48
7.42
V
Minimum Startup Voltage (Pin 1)
I
AUX
= 1.0 mA, V
AUX
= V
AUX(on)
– 0.2 V
V
start(min)
–
–
23.2
V
Inhibit Bias Current
V
AUX
= 0 V
I
inhibit
70
170
300
A
Startup Circuit Output Current
V
AUX
= V
inhibit
+ 0.2 V
V
AUX
= V
AUX(on)
– 0.2 V
I
start1
I
start2
7.16
4.03
9.3
6.1
11.3
8.1
mA
Startup Circuit Off-State Leakage Current (V
in
= 200 V, V
UVOV
= 0 V)
T
J
= 25 C
T
J
= –40 C to 125 C
I
start(off)
–
–
25
–
50
100
A
Startup Circuit Breakdown Voltage (Note 3)
I
start(off)
= 50 A, T
J
= 125 C
V
BR(DS)
100
–
–
V
Auxiliary Supply Current after V
AUX
Turn-On
Outputs Disabled
V
UVOV
= 0 V
V
EA
= 0 V
Outputs Enabled
V
EA
= 4.0 V
I
AUX1
I
AUX2
I
AUX3
–
–
–
3.0
4.2
5.5
3.6
4.94
7.0
mA
LINE UNDER/OVERVOLTAGE DETECTOR
Undervoltage Threshold (V
in
Increasing)
V
UV
1.979
2.05
2.116
V
Undervoltage Hysteresis
V
UV(H)
0.074
0.093
0.118
V
Undervoltage Ratio (V
UV(H)
/V
UV
)
V
UV(ratio)
3.65
4.50
5.62
%
Overvoltage Threshold (V
in
Increasing)
V
OV
2.80
2.95
3.10
V
Overvoltage Hysteresis
V
OV(H)
0.075
0.093
0.127
V
Offset Current (V
UVOV
= 2.8 V)
I
offset(UVOV)
38
48
58
A
Offset Current Turn ON Threshold (
5%, I
offset(UVOV)
= 40 A)
V
offset(UVOV)
2.4
2.6
2.8
V
LINE FEEDFORWARD
Peak Voltage (Volt-Second Clamp)
V
FF(peak)
2.8
3.0
3.2
V
Discharge Current (V
FF
= 0.5 V, V
SS
= 0 V)
I
FF(D)
8.5
–
–
mA
Offset Voltage (V
FF
= 0 V, Ramp Down V
SS
)
V
offset(FF)
0.118
0.185
0.268
V
Feedforward Offset Minus Soft-Stop Reset Voltage
(FF-SS)
7
70
183
mV
3. Guaranteed by design only.
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|---|---|
| NCP1562A WAF | 制造商:ON Semiconductor 功能描述: |
| NCP1562ADBR2G | 功能描述:電壓模式 PWM 控制器 HI PERF RESET PWM CONTLR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| NCP1562ADR2G | 功能描述:電壓模式 PWM 控制器 HI PERF RESET PWM CONTLR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| NCP1562BDBR2G | 功能描述:電壓模式 PWM 控制器 HI PERF RESET PWM CONTLR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| NCP1562BDR2G | 功能描述:電壓模式 PWM 控制器 HI PERF RESET PWM CONTLR RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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