LM2940 查看數據表（PDF） - Unisonic Technologies

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产品描述 (功能)

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LM2940

1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR

Unisonic Technologies 

LM2940

„ TYPICAL CHARACTERISTICS (Cont.)

Output at Voltage Extremes

25

ROUT=100Ω

VOUT=10V

20

15

10

5

0

-5

-30 -20 -10 0 10 20 30 40

Input Voltage (V)

Output at Voltage Extremes

25

ROUT=100Ω

VOUT=15V

20

15

10

5

0

-5

-30 -20 -10 0 10 20 30 40

Input Voltage (V)

Peak Output Current

3.0

VIN=14V

2.0

1.0

0

-40

0

40 80 120 160

Temperature (°С)

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

LINEAR INTEGRATED CIRCUIT

Output at Voltage Extremes

20 ROUT=100Ω

VOUT=12V

16

12

8

4

0

-4

-30 -20 -10 0 10 20 30 40

Input Voltage (V)

Output Capacitor ESR

100

COUT=22μF

VOUT=5V

10

1

STABLE

REGION

0.1

0.01

0

200 400 600 800 1000

Output Current (mA)

Output Impedance

10.00 VIN=10V

5.00 VOUT=5 V

COUT=22μF

2.00 IoUT=50mA

1.00

0.50

0.20

0.10

0.05

0.02

0.01

1

10 100 1K 10K 100K 1M

Frequency (Hz)

11 of 12

QW-R102-016.L

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