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)

VGS = 5V

VIN = 12V

VOUT = 1.3V

LOUT = 0.95µH

fSW = 500kHz

TA = 25ºC

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

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

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CSD87381P

SLPS405F – MARCH 2013 – REVISED MARCH 2015

CSD87381P Synchronous Buck NexFET™ Power Block II

1 Features

3 Description

The CSD87381P NexFET™ power block II is a highly

1

•

Half-Bridge Power Block

optimized design for synchronous buck applications

•

90% System Efficiency at 10 A

offering high current and high efficiency capability in a

•

Up to 15 A Operation

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

drive applications, this product offers an efficient and

•

High Density – 3 × 2.5 mm LGA Footprint

flexible solution capable of providing a high density

•

Double Side Cooling Capability

power supply when paired with any 5 V gate driver

•

Ultra-Low Profile – 0.48 mm Max

from an external controller/driver.

•

Optimized for 5 V Gate Drive

TEXT ADDED FOR SPACING

•

Low Switching Losses

Device Information(1)

•

Low Inductance Package

Device

Media

Qty

Package

Ship

•

RoHS Compliant

CSD87381P

13-Inch Reel

2500

Tape and

3 × 2.5 LGA

Reel

•

Halogen Free

CSD87381PT

7-Inch Reel

250

•

Pb Free

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

2 Applications

TEXT ADDED FOR SPACING

•

Synchronous Buck Converters

–

High Current, Low Duty Cycle Applications

•

Multiphase Synchronous Buck Converters

•

POL DC-DC Converters

Typical Circuit

Typical Power Block Efficiency and Power Loss

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.