TC2054 Microchip Technology, TC2054 Datasheet - Page 8
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TC2054
Manufacturer Part Number
TC2054
Description
50mA / 100mA / and 150mA CMOS LDOs with Shutdown and Error Output
Manufacturer
Microchip Technology
Datasheet
1.TC2054.pdf
(16 pages)
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TC2054/2055/2186
TYPICAL CHARACTERISTICS (CONT)
FIGURE 5-13: LOAD TRANSIENT RESPONSE
FIGURE 5-14: LOAD TRANSIENT RESPONSE IN
FIGURE 5-15: LINE TRANSIENT RESPONSE
DS21663B-page 8
V
V
C
C
R
Load Transient Response in Dropout Mode
IN
OUT
IN
LOAD
OUT
100mV/DIV
= 3.105V
= 1µF Ceramic
50mV / DIV
2V / DIV
= 3.006V
= 1µF Ceramic
DROPOUT MODE
= 20Ω
100mV/DIV
Load Current
Input Voltage
V
V
C
C
Frequency = 1 KHz
OUT
IN
IN
OUT
= 3.8V
= 1 µF Ceramic
= 2.8V
= 1 µF Ceramic
V
C
C
I
OUT
OUT
OUT
BYP
= 2.8V
= 100µA
= 1µF Ceramic
= 470pF
150mA
V
150mA
Load
100µA
V
100µA
OUT
OUT
V
4V
6V
OUT
FIGURE 5-16: LOAD TRANSIENT RESPONSE
FIGURE 5-17: SHUTDOWN DELAY
FIGURE 5-18: SHUTDOWN WAKE-UP TIME
V
V
C
C
I
OUT
OUT
IN
OUT
BYP
= 4.0V
= 3.0V
= 100µA
= 10µF
= 0.01µF
100mV / DIV
Load Current
©
2002 Microchip Technology Inc.
V
V
C
C
Frequency = 10KHz
OUT
IN
IN
OUT
= 3.0V
= 1µF Ceramic
= 2.8V
= 10µF Ceramic
V
V
C
C
I
OUT
OUT
IN
OUT
BYP
= 4.0V
= 100µA
= 3.0V
= 10µF
= 0.01µF
V
150mA
Load
100µA
V
V
V
OUT
V
SHDN
OUT
SHDN
OUT