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参数资料
| 型号： | LSP3102Y12AD |
| 厂商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.45 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | SOT-89, 5 PIN |
| 文件页数： | 3/9页 |
| 文件大小： | 179K |
| 代理商： | LSP3102Y12AD |
Liteon Semiconductor Corporation
LSP3102
1A Synchronous Step-Down Converter
Rev1.1
3/9
ELECTRICAL CHARACTERISTICS
(VIN = VEN = 3.6V, TA = 25C unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage Range
VIN
2.5
6.5
V
Operating Supply Current
VFB = 0.5V, IOUT = 0
350
450
A
Shutdown Supply Current
VEN = 0V, VIN = 4.2V
0.1
1
A
TA = 25°C
0.5880
0.6000
0.6120
0 < TA < 85°C
0.5865
0.6000
0.6135
Adjustable Version Regulation
Voltage (LSP3102WAD)
VFB
-40°C < TA < 85°C
0.5820
0.6000
0.6180
V
LSP3102Y12AD
1.164
1.200
1.236
Fixed Output Regulation
Voltage
VOUT
LSP3102Y18AD
1.746
1.800
1.854
V
Output Voltage Line
Regulation
VIN = 3V to 5V
0.04
0.4
%/V
Output Voltage Load
Regulation
IOUT = 10mA to 500mA
0.5
%
Inductor Current Limit
ILIM
VIN = 3.6V, VFB = 90% of
VOUT(NOM)
1.00
1.20
1.45
A
Oscillator Frequency
fSW
VFB or VOUT in regulation
1.2
1.5
1.8
MHz
PMOS On Resistance
RONP
ISW = -100mA
0.40
0.45
NMOS On Resistance
RONN
ISW = 100mA
0.35
0.40
SW Leakage Current
EN = G,VIN = 5.5V, VSW = 5.5V or
0V
±1
A
RUN Logic High Threshold
VIH
VIN = 2.7V to 5.5V
1.2
V
RUN Logic Low Threshold
VIL
VIN = 2.7V to 5.5V
0.6
V
RUN Input Bias Current
IEN
VIN = 5.5V, EN = G or IN
0.01
0.1
A
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