SL40307A-R19KHF datasheet(6/53 Pages) IRF

6 / 53 page

IR3846

6 www.irf.com

April 29, 2013

ELECTRICAL SPECIFICATIONS

RECOMMENDED OPERATING CONDITIONS

SYMBOL

DEFINITION

MIN

MAX

UNIT

PVin

Input Bus Voltage *

1.5

Vin

Supply Voltage

5.0

VCC

Supply Voltage **

4.5

7.5

Boot to SW

Supply Voltage

4.5

7.5

Output Voltage

0.6

0.86 PVin

Output Current

±35

Switching Frequency

300

1500

kHz

Junction Temperature

-40

125

°C

SW node must not exceed 25V

When VCC is connected to an externally regulated supply, also connect Vin.

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, these specification apply over, 1.5V < PVin < 21V, 4.5V< VCC < 7.5V, 0

oC < T

J <

125

oC.

Typical values are specified at TA = 25

oC.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Power Loss

PLOSS

Vin = PVin = 12V, VO =

1.2V, IO = 35A, Fs =

600kHz, L=0.250uH,

TA = 25°C, Note 4

5.3

MOSFET Rds(on)

Top Switch

Rds(on)_Top

VBoot – VSW = 6.8V,

ID = 35A, Without Cu

Clip, Tj = 25°C

3.1

mΩ

Bottom Switch

Rds(on)_Bot

VCC =6.8V, ID = 35A,

With Cu Clip,

Tj = 25°C

1.27

1.64

Reference Voltage

Feedback Voltage

VFB

0.6

Accuracy

Vref=0.6V,

0°C < Tj < 105°C

-0.5

+0.5

Vref=0.6V,

-40°C < Tj < 125°C

-1.0

+1.0

Sink Current

Isink_Vref

Vref=0.7V

12.7

16.0

19.3

µA

Source Current

Isrc_Vref

Vref=0.5V

12.7

16.0

19.3

Vref Comparator Threshold

Vref_disable

Vref Pin connected

externally

0.15

Vref_enable

0.4

SL40307A-R19KHF 数据表(PDF) 6 Page - International Rectifier

SL40307A-R19KHF 数据表(HTML) 6 Page - International Rectifier

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