S-818A30AMC-BGK-T2 查看數據表（PDF） - Seiko Instruments Inc

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S-818A30AMC-BGK-T2

LOW DROPOUT CMOS VOLTAGE REGULATOR

Seiko Instruments Inc 

LOW DROPOUT CMOS VOLTAGE REGULATOR

S-818 Series

Rev.1.2

(3) Power fluctuation

VIN=4→10V IOUT=30mA

10V

VIN

4V

VOUT

CL=2µF

CL=4.7µF

3V

TIME(50usec/div)

Load dependence of overshoot

VIN=VOUT(S)+1V→VOUT(S)+2V,CL=2µF

0.6

0.4

VOUT=2V

0.2

3V

5V

0

1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00

IOUT(A)

VDD dependence of overshoot

VIN=VOUT(S)+1V→VDD, IOUT=30mA,CL=2µF

0.6

3V

0.4

VOUT=2V

0.2

5V

0

0

2

4

6

8

10

VDD(V)

10V

VIN

4V

VIN=10→4V IOUT=30mA

VOUT

3V

CL=4.7µF

CL=2µF

TIME(50usec/div)

Output capacitor (CL) dependence of overshoot

VIN=VOUT(S)+1V→VOUT(S)+2V, IOUT=30mA

0.05

0.04

0.03

VOUT=2V

3V

0.02

0.01

5V

0

1

10

100

CL(uF)

Temperature dependence of overshoot

VIN=VOUT(S)+1V→VOUT(S)+2V, IOUT=30mA,CL=2µF

0.06

0.05

0.04

3V

VOUT=2V

0.03

0.02

0.01

0

-50

5V

0

50

100

Ta°C

16

Seiko Instruments Inc.

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