TPS2145IPWPR datasheet(12/34 Pages) TI

Part #	TPS2145IPWPR

Description	LDO AND DUAL SWITCH WITH CONTROLLED RISE TIMES FOR DSP AND PORTABLE APPLICATIONS

PDF	34 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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12 / 34 page

TPS2145, TPS2147

TPS2155, TPS2157

SLVS333 − AUGUST 2001

www.ti.com

TYPICAL CHARACTERISTICS

Figure 5

SWITCH TURNON DELAY AND RISE TIME

WITH 120-

µF LOAD

t − Time − ms

VO(OUT)

(2 V/div)

VI = 5 V

TA = 25°C

CL = 120 µF

RL = 25 Ω

VI(EN)

(5 V/div)

Figure 6

SWITCH TURNOFF DELAY AND FALL TIME

WITH 120-

µF LOAD

t − Time − ms

16 20

VO(OUT)

(2 V/div)

VI = 5 V

TA = 25°C

CL = 120 µF

RL = 25 Ω

VI(EN)

(5 V/div)

Figure 7

SHORT-CIRCUIT CURRENT, SWITCH

ENABLED INTO A SHORT

t − Time − ms

IO(OUT)

(100 mA/div)

VI(EN)

(5 V/div)

Figure 8

VI(LDO_EN)

(5 V/div)

VO(LDO_OUT)

(1 V/div

LDO TURNON DELAY AND RISE TIME

WITH 4.7-

µF LOAD

0.4

0.8

1.2

1.6

2.4

2.8

3.2

3.6 4.2

t − Time − ms

VI = 5 V

TA = 25°C

CL = 4.7 µF

RL = 13.2 Ω

TPS2145IPWPR Datasheet(PDF) 12 Page - Texas Instruments

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