LFC789D25CPWR datasheet(4/11 Pages) TI

4 / 11 page

LFC789D25

DUAL LINEAR FET CONTROLLER

SLLS565B − MARCH 2003 − REVISED SEPTEMBER 2004

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics, VCC = 12 V ± 5%, TA = 25°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VADJ sense-pin current

−20

Sense

SEN_V

ADJ

VADJ sense-pin current

Full range

−500

Sense

V25 sense-pin current

V25 = 2.5 V

125

SEN_V

V25 sense-pin current

V25 = 2.5 V

Full range

500

µA

VDRV

Driver output voltage

IDRV = 0

VCC

− 1.5

Driver

VDRV

Driver output voltage

IDRV = 0

Full range

VCC − 3

Driver

IDRV

Driver output current

VDRV = 4 V,

IDRV

Driver output current

VDRV = 4 V,

VSEN = 0.8 VOUT (nom)

Full range

Reference

Pin current, VREF

−20

−250

Reference

REF

Pin current, VREF

Full range

−500

V25 output voltage

IOUT = 1 mA to 3 A,

2.5

Output regulation

V25 output voltage

regulation

IOUT = 1 mA to 3 A,

VPWR = 3 .3 V ± 10%

Full range

2.45

2.5

2.55

Output regulation

(see Figure 1)

VADJ output voltage

IOUT = 1 mA to 2 A,

VREF

(see Figure 1)

VADJ output voltage

regulation

IOUT = 1 mA to 2 A,

VPWR = 3.3 V ±10%,

VREF = V25/2

Full range

0.98

VREF

1.02

VREF

Supply

ICC

Supply current

Supply

ICC

Supply current

Full range

2.5

LFC789D25CPWR Datasheet(PDF) 4 Page - Texas Instruments

LFC789D25CPWR Datasheet(HTML) 4 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11

Datasheet Download

Link URL