TC2054(2002) 查看數據表（PDF） - Microchip Technology

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TC2054
(Rev.:2002)

50 mA, 100 mA, and 150 mA CMOS LDOs with Shutdown and Error Output

Microchip Technology 

TC2054/2055/2186

TYPICAL CHARACTERISTICS (CONT)

FIGURE 5-13: LOAD TRANSIENT RESPONSE

100mV/DIV

V IN = 3.8V

VOUT = 2.8V

C IN = 1 µF Ceramic

C OUT= 1 µF Ceramic

Frequency = 1 KHz

V OUT

FIGURE 5-16: LOAD TRANSIENT RESPONSE

100mV / DIV

V IN = 3.0V

VOUT = 2.8V

C IN = 1µF Ceramic

C OUT= 10µF Ceramic

Frequency = 10KHz

V OUT

Load Current

150mA

Load

100µA

FIGURE 5-14: LOAD TRANSIENT RESPONSE IN

DROPOUT MODE

Load Transient Response in Dropout Mode

100mV/DIV

VOUT

150mA

VIN = 3.105V

VOUT = 3.006V

CIN = 1µF Ceramic

COUT = 1µF Ceramic

RLOAD = 20Ω

100µA

FIGURE 5-15: LINE TRANSIENT RESPONSE

50mV / DIV

VOUT = 2.8V

C OUT= 1µF Ceramic

C BYP = 470pF

I OUT= 100µA

V OUT

2V / DIV

Input Voltage

6V

4V

Load Current

150mA

Load

100µA

FIGURE 5-17: SHUTDOWN DELAY

V IN = 4.0V

VOUT = 3.0V

C OUT = 10µF

C BYP = 0.01µF

I OUT = 100µA

V SHDN

V OUT

FIGURE 5-18: SHUTDOWN WAKE-UP TIME

V SHDN

V IN = 4.0V

VOUT = 3.0V

C OUT = 10µF

C BYP = 0.01µF

I OUT = 100µA

V OUT

DS21663B-page 8

© 2002 Microchip Technology Inc.

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