0

3

6

9

12

15

30

40

50

60

70

80

90

100

0

1

2

3

4

5

6

7

Output Current (A)

G001

VDD

GND

ENABLE

PWM

BOOT

DRVH

LL

DRVL

V

DD

ENABLE

PWM

V

IN

V

IN

V

SW

P

GND

V

OUT

Driver IC

CSD87381P

TG

BG

1

V

IN

P

GND

BG

TG

V

SW

CSD87381P

www.ti.com

SLPS405B – MARCH 2013 – REVISED MAY 2013

Synchronous Buck NexFET™ Power Block II

1

FEATURES

DESCRIPTION

The CSD87381P NexFET™ power block II is a highly

2

•

Half-Bridge Power Block

optimized design for synchronous buck applications

•

90% system Efficiency at 10A

offering high current and high efficiency capability in a

•

Up To 15A Operation

small 3-mm × 2.5-mm outline. Optimized for 5V gate

drive applications, this product offers an efficient and

•

High Density – 3.0 x 2.5mm LGA Footprint

flexible solution capable of providing a high density

•

Double Side Cooling Capability

power supply when paired with any 5V gate driver

•

Ultra Low Profile – 0.48-mm MAX

from an external controller/driver.

•

Optimized for 5V Gate Drive

TEXT ADDED FOR SPACING

•

Low Switching Losses

ORDERING INFORMATION

•

Low Inductance Package

Device

Package

Media

Qty

Ship

•

RoHS Compliant

13-Inch

Tape and

CSD87381P

3.0 x 2.5 LGA

2500

Reel

Reel

•

Halogen Free

•

Pb-Free Terminal Plating

TEXT ADDED FOR SPACING

APPLICATIONS

•

Synchronous Buck Converters

–

High Current, Low Duty Cycle Applications

•

Multiphase Synchronous Buck Converters

•

POL DC-DC Converters

TEXT ADDED FOR SPACING

TEXT ADDED FOR SPACING

TEXT ADDED FOR SPACING

TYPICAL POWER BLOCK EFFICIENCY

TYPICAL CIRCUIT

and POWER LOSS

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

NexFET is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.