TPS24710 datasheet(7/38 Pages) TI1

Part #	TPS24710

Description	2.5-V to 18-V High-Efficiency Power-Limiting Hot-Swap Controller

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Manufacturer	TI1 [Texas Instruments]

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90%

t

(pff50-90)

Time

T0492-01

50%

0

V

GATE

V

EN

7

TPS24710, TPS24711

TPS24712, TPS24713

www.ti.com

SLVSAL2G – JANUARY 2011 – REVISED NOVEMBER 2015

Product Folder Links: TPS24710 TPS24711 TPS24712 TPS24713

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Electrical Characteristics (continued)

–40°C

≤ TJ ≤ 125°C, VCC = 12 V, VEN = 3 V, and RPROG = 50 kΩ to GND.

All voltages referenced to GND, unless otherwise noted.

PARAMETER

CONDITIONS

MIN

NOM

MAX

UNIT

SENSE

Input bias current

VSENSE = 12 V, sinking current

30

40

µA

Current limit threshold

VOUT = 12 V

22.5

25

27.5

mV

Power limit threshold

VOUT = 7 V, RPROG = 50 kΩ

10.1

11.6

13.1

mV

VOUT = 2 V, RPROG = 25 kΩ

10.1

11.6

13.1

Fast-trip threshold

52

60

68

mV

OTSD

Threshold, rising

130

140

°C

Hysteresis(1)

10

°C

(1)

Parameters are for reference only, and do not constitute part of TI’s published specifications for purposes of TI’s product warranty.

7.6 Timing Requirements

MIN

NOM

MAX

UNIT

EN

Turnoff time

EN

↓ to VGATE < 1 V, CGATE = 33 nF

20

60

150

µs

Deglitch time

EN

↑

8

14

18

µs

Disable delay

EN

↓ to GATE ↓, CGATE = 0, tpff50–90, See

Figure 1

0.1

0.4

1

µs

PG, PGb

Delay (deglitch) time

Rising or falling edge

2

3.4

6

ms

GATE

Fast-turnoff duration

8

13.5

18

µs

Turn on delay

VCC rising to GATE sourcing, tprr50-50, See

Figure 2

100

250

µs

SENSE

Fast-turnoff duration

8

13.5

18

µs

Fast-turnoff delay(1)

V(VCC – SENSE) = 80 mV, CGATE = 0 pF,

tprf50–50, See Figure 3

200

ns

Figure 1. tpff50–90 Timing Definition

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