0

3

6

9

12

15

18

21

24

27

30

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

CSD87384M

TG

BG

1

TG

BG

V

IN

P

GND

V

SW

CSD87384M

www.ti.com

SLPS415B – SEPTEMBER 2013 – REVISED JANUARY 2014

CSD87384M Synchronous Buck NexFET™ Power Block II

1

FEATURES

DESCRIPTION

The CSD87384M NexFET™ Power Block II is a

2

•

Half-Bridge Power Block

highly

optimized

design

for

synchronous

buck

•

90.5% System Efficiency at 25 A

applications offering high current and high efficiency

•

Up to 30 A Operation

capability in a small 5.0-mm × 3.5-mm outline.

Optimized for 5 V gate drive applications, this product

•

High Density – 5-mm x 3.5-mm LGA Footprint

offers an efficient and flexible solution capable of

•

Double Side Cooling Capability

providing a high density power supply when paired

•

Ultra-Low Profile – 0.48-mm MAX

with any 5 V gate drive from an external controller or

driver.

•

Optimized for 5 V Gate Drive

•

Low Switching Losses

TEXT ADDED FOR SPACING

•

Ultra-Low Inductance Package

Ordering Information

Device

Media

Qty

Package

Ship

•

RoHS Compliant

CSD87384M

13-Inch Reel

2500

Tape and

•

Halogen Free

5 × 2.5 LGA

Reel

CSD87384MT

7-Inch Reel

250

•

Pb-Free Terminal Plating

TEXT ADDED FOR SPACING

APPLICATIONS

•

Synchronous Buck Converters

–

High Frequency Applications

–

High Current, Low Duty Cycle Applications

•

Multiphase Synchronous Buck Converters

•

POL DC-DC Converters

TEXT ADDED FOR SPACING

Typical Circuit

Typical Power Block Efficiency 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 © 2013–2014, 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.