|
|
|
|
|
低压差稳压集成电路 LDO: LP2951 0.1A
|
|
Parameter
|
Conditions (Note 2)
|
Min
|
Typ
|
Max
|
Units
|
|
Output Voltage
|
-25°C £ TJ £ 85°C
Full Operating Temperature
|
0.985 |V0|
0.98 |V0|
|
V0
|
1.015 |V0|
1.02 |V0|
|
V
|
|
Output Voltage
|
100mA £ IL £ 100mA, TJ £ TJMAX
|
0.976|V0|
|
V0
|
1.024 |V0|
|
|
Output Voltage Temperature Coefficient
|
(Note 1)
|
|
50
|
150
|
ppm/°C
|
|
Line Regulation (Note 3)
|
V0 + 1V £ Vin £ 30V (Note 4)
|
|
0.04
|
0.4
|
%
|
|
Load Regulation (Note 3)
|
100mA £ IL £ 100mA
|
|
0.1
|
0.3
|
%
|
|
Dropout Voltage (Note 5)
|
IL=100 mA
IL=100 mA
|
|
50
380
|
80
450
|
mV
|
|
Ground Current
|
IL=100 mA
IL=100 mA
|
|
75
8
|
120
12
|
mA
mA
|
|
Dropout Ground Current
|
Vin=V0 - 0.5V, IL=100 mA
|
|
110
|
170
|
mA
|
|
Current Limit
|
Vout=0
|
|
160
|
200
|
mA
|
|
Thermal Regulation
|
|
|
0.05
|
0.2
|
%/W
|
|
Output Noise, 10Hz to 100KHz
|
CL=1mF
CL=200mF
CL=3.3mF
(Bypass=0.01 mF pins 7 to 1
(LP2951-XX))
|
|
430
160
100
|
|
mV rms
|
|
8-pin Versions only
|
|
Reference Voltage
|
|
1.21
|
1.235
|
1.26
|
V
|
|
Reference Voltage
|
Over Temperature (Note 6)
|
1.185
|
|
1.285
|
|
Feedback Pin Bias Current
|
|
|
20
|
40
|
nA
|
|
Reference Voltage Temperature Coefficient
|
(Note 7)
|
|
50
|
|
ppm/°C
|
|
Feedback Pin Bias Current Temperature Coefficient
|
|
|
0.1
|
|
nA/°C
|
Error Comparator
|
|
Output Leakage Current
|
Voh=30V
|
|
0.01
|
1.0
|
mA
|
|
Output Low Voltage
|
Vin=4.5V, IOL=400 mA
|
|
150
|
250
|
mV
|
|
Upper Threshold Voltage
|
(Note 8)
|
40
|
60
|
|
|
Lower Threshold Voltage
|
(Note 8)
|
|
75
|
95
|
|
Hysteresis
|
(Note 8)
|
|
15
|
|
Shutdown Input
|
|
Input Logic Voltage
|
Low (Regulator ON)
High (Regulator OFF)
|
2
|
1.3
|
|
|
|
|
|
| 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
可以完全替换LM2951 |
| 产品优点︰ | 低压差, 低功耗, 高精度 |
|
|
产品图片
|
|
|
相关产品
|
|
