TPS40140_16 datasheet(8/68 Pages) TI1 | Dual or 2-Phase, Stackable Controller

Part #	TPS40140

Description	Dual or 2-Phase, Stackable Controller

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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8 / 68 page

TPS40140

SLUS660I – SEPTEMBER 2005 – REVISED JANUARY 2015

www.ti.com

Electrical Characteristics (continued)

–40°C

≤ TJ ≤ 85°C, (unless otherwise noted), VVDD = 7 V, VBP5 = 5 V, UVLO_CE1, UCLO_CE2: 10 kΩ, Pullup to BP5,

ƒSW = 300 kHz, unless otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OUTPUT UNDERVOLTAGE FAULT

VFB relative to VREF

–19%

–16.5%

–14%

Undervoltage delay(1)

3

µs

CURRENT LIMIT

IILIM

Output current

18.8

20

21.2

µA

POWER GOOD

PGOOD transition low threshold

VFB rising relative to VREF

10%

12.5%

15%

PGOOD transition low threshold

VFB falling relative to VREF

–15%

–12.5%

–10%

PGOOD trip hysteresis

2%

5%

PGOOD delay(1)

10

µs

Low level output voltage, VOL

IPGOOD = 4 mA

0.35

0.4

V

PGOOD bias current

VPGOOD= 5.0 V

–2

1

2

µA

RAMP

Ramp amplitude(1)

0.421

0.5

0.526

V

VIN BALANCE

VIN balance gain, AVB

0.23

0.25

0.27

V/V

THERMAL SHUTDOWN

Shutdown temperature(1)

155

°C

Hysteresis(1)

30

DIGITAL CLOCK SIGNAL (CLKIO)

Pullup resistance(1)

IOH = 5 mA

27

Ω

Pulldown resistance(1)

IOL = 10 mA

27

Ω

Output leakage(1)

Tri-state

1

µA

8

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