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低压差稳压集成电路 LDO: LP2950 0.1A
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Parameter
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Conditions (Note 2)
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Min
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Typ
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Max
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Units
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Output Voltage
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-25°C £ TJ £ 85°C
Full Operating Temperature
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0.985 |V0|
0.98 |V0|
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V0
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1.015 |V0|
1.02 |V0|
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V
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Output Voltage
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100mA £ IL £ 100mA, TJ £ TJMAX
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0.976|V0|
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V0
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1.024 |V0|
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Output Voltage Temperature Coefficient
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(Note 1)
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50
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150
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ppm/°C
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Line Regulation (Note 3)
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V0 + 1V £ Vin £ 30V (Note 4)
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0.04
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0.4
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%
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Load Regulation (Note 3)
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100mA £ IL £ 100mA
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0.1
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0.3
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%
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Dropout Voltage (Note 5)
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IL=100 mA
IL=100 mA
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50
380
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80
450
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mV
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Ground Current
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IL=100 mA
IL=100 mA
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75
8
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120
12
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mA
mA
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Dropout Ground Current
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Vin=V0 - 0.5V, IL=100 mA
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110
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170
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mA
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Current Limit
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Vout=0
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160
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200
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mA
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Thermal Regulation
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0.05
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0.2
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%/W
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Output Noise, 10Hz to 100KHz
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CL=1mF
CL=200mF
CL=3.3mF
(Bypass=0.01 mF pins 7 to 1
(LP2951-XX))
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430
160
100
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mV rms
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8-pin Versions only
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Reference Voltage
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1.21
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1.235
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1.26
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V
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Reference Voltage
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Over Temperature (Note 6)
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1.185
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1.285
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Feedback Pin Bias Current
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20
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40
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nA
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Reference Voltage Temperature Coefficient
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(Note 7)
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50
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ppm/°C
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Feedback Pin Bias Current Temperature Coefficient
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0.1
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nA/°C
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Error Comparator
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Output Leakage Current
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Voh=30V
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0.01
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1.0
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mA
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Output Low Voltage
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Vin=4.5V, IOL=400 mA
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150
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250
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mV
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Upper Threshold Voltage
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(Note 8)
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40
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60
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Lower Threshold Voltage
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(Note 8)
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75
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95
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Hysteresis
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(Note 8)
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15
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Shutdown Input
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Input Logic Voltage
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Low (Regulator ON)
High (Regulator OFF)
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2
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1.3
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| 产品规格︰ | 0.1A 低压差正电源(带控制信号)固定输出电压稳压电路
输入电压为30V, 输出电压为2.85, 3.0, 3.3, 5.0V 等多种型号
LP2950: TO-92封装
LP2951: SOP-8封装 |
| 产品优点︰ | 低压差, 低功耗, 高精度 |
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产品图片
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