LM25119-Q1 datasheet(8/39 Pages) TI1

Part #	LM25119-Q1

Description	Wide Input Range, Dual Synchronous Buck Controller

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Manufacturer	TI1 [Texas Instruments]

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8

LM25119, LM25119-Q1

SNVS680H – AUGUST 2010 – REVISED MAY 2016

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Product Folder Links: LM25119

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Electrical Characteristics (continued)

Typical values correspond to TJ = 25°C. Minimum and maximum limits apply over –40°C to 125°C junction temperature

range. VIN = 36 V, VCC = 8 V, VCCDIS = 0 V, EN2 = 5 V, RT = 25 kΩ, and no load on LO or HO (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN(1)

TYP

MAX(1)

UNIT

HB DC bias current

HB – SW = 8 V

70

100

µA

THERMAL

TSD

Thermal shutdown

Rising

165

°C

Thermal shutdown hysteresis

25

°C

6.7 Switching Characteristics

Typical values correspond to TJ = 25°C. Minimum and maximum limits apply over –40°C to 125°C junction temperature

range. VIN = 36 V, VCC = 8 V, VCCDIS = 0 V, EN2 = 5 V, RT = 25 kΩ, and no load on LO or HO (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

LO fall to HO rise delay

No load

70

ns

HO fall to LO rise delay

No load

60

ns

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