Datasheet > LP2950ACS-33

LP2950ACS-33

更新时间： 2022-12-28 22:51:35

品牌	Logo	应用领域
ADMOS		稳压器
页数	文件大小	规格书
14页	137K
描述
100mA LOW DROPOUT VOLTAGE REGULATOR

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LP2950ACS-33 数据手册

LP2950/LP2951

TYPICAL PERFORMANCE CHARACTERISTICS (Continued)

Dropout Voltage

Short Circuit Current

Dropout Voltage

170

160

150

140

130

120

110

100

600

500

400

300

500

400

300

I_L= 100mA

200

100

T_J= 25°C

100

I_L= 100µA

-75 -50 -25

25 50 75 100 125 150

-75 -50 -25

25 50 75 100 125 150

100

1mA

10mA

100mA

TEMPERATURE (° C)

OUTPUT CURRENT

LP2951 Minimum Operating Voltage

LP2951 Feedback Bias Current

LP2951 Feedback Pin Current

2.2

2.1

PIN 7 DRVEN BY EXTERNAL

SOURCE (REGULATOR RUN

OPEN LOOP)

-50

2.0

1.9

T_A= 125°C

-100

-10

-150

-200

-250

1.8

1.7

T_A= 25°C

-20

-30

T_A= -55°C

1.6

-75

125

0.5

100 150

125

-75 -50 -25

25 50 75 100

150

-2.0 -1.5 -1.0 -0.5

1.0

-50 -25

25 50 75

TEMPERATURE (° C)

FEEDBACK VOLTAGE (V)

LP2951 Error Comparator Output

LP2951 Comparator Sink Current

Line Transient Response

100

2.5

V_OUT= 5V

T_A= 125°C

2.0

1.5

1.0

0.5

0.0

50k RESISTOR TO

EXTERNAL 5V SUPPLY

C_L= 1µF

-50

T_A= 25°C

T_A= -55°C

I_L= 1mA

HYSTERESIS

V_OUT= 5V

50k

RESISTOR

TO V_OUT

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

OUTPUT LOW VOLTAGE (V)

200

TIME (

400

600

800

INPUT VOLTAGE (V)

Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723

1...3 4 567 8 9...14

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