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| REG102 Datasheet, PDF (7/20 Pages) Texas Instruments – DMOS 250mA Low-Dropout Regulator | |||
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TYPICAL CHARACTERISTICS (Cont.)
For all models, at TJ = +25°C and VENABLE = 1.8V, unless otherwise noted.
CURRENT LIMIT FOLDBACK
3.5
3.0
REG102-3.3
2.5
ICL
2.0
1.5
1.0
ISC
0.5
0
0 50 100 150 200 250 300 350 400 450
Output Current (mA)
CURRENT LIMIT vs TEMPERATURE
450
VIN = VOUT + 1V
400
ICL = Current Limit
350
300
250
ISC = Short-Circuit Current
200
150
100
â50 â25
0
25
50
75
Temperature (°C)
100 125
LOAD TRANSIENT RESPONSE
REG102-3.3
VIN = 4.3V
COUT = 0µF
VOUT
250mA
25mA
COUT = 10µF
10µs/div
VOUT
IOUT
5.3V
4.3V
LINE TRANSIENT RESPONSE
COUT = 0
REG102-3.3
IOUT = 250mA
VOUT
COUT = 10µF
VOUT
VIN
50µs/div
TURN-ON
COUT = 0µF
RLOAD = 660â¦
COUT = 10µF
RLOAD = 13â¦
COUT = 0µF
RLOAD = 13â¦
VOUT
250µs/div
REG102-3.3
VIN = VOUT + 1V
CNR = 0.01µF
VENABLE
TURN-OFF
COUT = 0µF
RLOAD = 660â¦
COUT = 10µF
RLOAD = 13â¦
COUT = 1.0µF
RLOAD = 13â¦
VOUT
200µs/div
REG102-3.3
VENABLE
REG102
7
SBVS024F
www.ti.com
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