ECJ-1VC1H271J datasheet(2/35 Pages) IRF

Part #	ECJ-1VC1H271J

Description	HIGHLY EFFICIENT INTEGRATED 6A, SYNCHRONOUS BUCK REGULATOR

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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2 / 35 page

Rev 4.0

2

PD-97528

IR3856MPbF

ABSOLUTE MAXIMUM RATINGS

(Voltages referenced to GND unless otherwise specified)

•

Vin ……………………………………………………. -0.3V to 25V

•

Vcc ……………….….…………….……..……….…… -0.3V to 8V (Note2)

•

Boot

……………………………………..……….…. -0.3V to 33V

•

SW

…………………………………………..……… -0.3V to 25V(DC), -4V to 25V(AC, 100ns)

•

Boot to SW

……..…………………………….…..….. -0.3V to Vcc+0.3V (Note1)

•

OCSet

………………………………………….……. -0.3V to 30V (Max 30mA)

•

Input / output Pins ……………………………….. ... -0.3V to Vcc+0.3V (Note1)

•

PGND to GND ……………...………………………….. -0.3V to +0.3V

•

Storage Temperature Range ................................... -55°C To 150°C

•

Junction Temperature Range ................................... -40°C To 150°C (Note2)

•

ESD Classification …………………………… ……… JEDEC Class 1C

•

Moisture sensitivity level………………...………………JEDEC Level 3@260 °C (Note5)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the

device. These are stress ratings only and functional operation of the device at these or any other

conditions beyond those indicated in the operational sections of the specifications are not implied.

Note1:

Must not exceed 8V

Note2:

Vcc must not exceed 7.5V for Junction Temperature between -10oC and -40oC

W

/

C

W

/

C

W

/

C

o

PCB

J

*

o

JA

*

o

JA

)

FET

_

Ctrl

(

)

FET

_

Sync

(

2

45

=

-

θ

PACKAGE INFORMATION

4mm x 5mm POWER QFN

4000

17

IR3856MTRPbF

M

750

PARTS PER

REEL

17

PIN COUNT

IR3856MTR1PbF

PACKAGE

DESCRIPTION

M

PACKAGE

DESIGNATOR

ORDERING INFORMATION

13

VIN

12

SW

11

PGnd

17

Gnd

1

23

4

5

6

7

8

9

16

15

Fb Vsns COMP Gnd Rt

SS OCSet

PGood

Enable

Boot

Seq

Vcc

10

14

Sync

*

Exposed pads on underside

are connected to copper

pads of a 4-layer (2 oz.) PCB

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