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參數(shù)資料
| 型號： | SC1401ISS |
| 廠商： | Semtech Corporation |
| 英文描述： | HIGH PERFORMANCE SYNCHRONOUS BUCK CONTROLLER WITH LDO FOR PORTABLE POWER |
| 中文描述： | 高性能同步降壓控制器的便攜式功率穩(wěn)壓器 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 202K |
| 代理商： | SC1401ISS |
SC1401
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
HIGH PERFORMANCE SYNCHRONOUS BUCK
CONTROLLER WITH LDO FOR PORTABLE
POWER
November 21, 2000
4
ELECTRICAL CHARACTERISTICS (continued)
Unless specified: VDD1 = 12V, V5V = 5V, VDD2 = 12V SHDN = PSAVE = 5V, T
A
= -40 °C to +85 °C. Typical values are at T
A
= +25°C.
LINE PARAMETER
CONDITIONS
MIN
TYP MAX UNITS
Gate Driver Sink/Source
DL, DH, forced to 2V
2.0
A
Gate Driver On-Resistance
High or low
1.0
SYNC Input High Pulse
1
SYNC Input Low Pulse Width
1
SYNC Rise/Fall Time
1
200
200
ns
200
SYNC Input Frequency Range
240
350
kHz
Current-Sense Input Leakage
CSL = CSH = 5.5V
20
μA
FB Input Leakage Current
FB = 1.25V
1
μA
LINEAR REGULATOR
VDD2 Input Voltage Range
5.0
30.0
V
VOUT Linear
VREF
5.5
V
GATEIO Source current
VDD2=12V, GATEIO=0V
2.6
mA
IOS Input Leakage Current
IOS = 1.25V
1
μA
Line Regulation
ILOAD=0.5A
0.03
%/V
Load Regulation
Vin=12V, ILOAD = 0.1A to 1A
0.85
%
VDD1 Operating Supply
5
50
μA
Shutdown Supply Current
VDD1 = 6V to 30V, V5V = 5V, SHDN = 0V
15
25
μA
V5V Operating Supply Current
V5V = 5V, no load on DH/DL, PSAVE = 0V
1.5
4
mA
VDD2 Supply Current
VDD2 = 12V
5
mA
SUPPLY CURRENTS
Note 1: Not tested.
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| SC1401 | High Performance Synchronous Buck Controller with LDO for Portable Power(用于便攜式電源帶低壓差輸出的高性能同步步降控制器（1.25-5.5V可調(diào)輸出）) |
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相關(guān)代理商/技術(shù)參數(shù) |
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| SC1402 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Multi-Output, Low-Noise Power Supply Controller for Notebook Computers |
| SC1402ISS | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Multi-Output, Low-Noise Power Supply Controller for Notebook Computers |
| SC1403 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Mobile Multi-Output PWM Controller with Virtual Current SenseTM |
| SC1403_04 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Mobile Multi-Output PWM Controller with Lossless Current Sense |
| SC1403ITSTR | 制造商:Semtech Corporation 功能描述:IC, MULTI-OUTPUT PWM CONTROLLER, 28-TSSOP, Primary Input Voltage:15V, No. of Out |
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