0

1

2

3

4

5

6

7

8

9

10

40

50

60

70

80

90

100

OUTPUT CURRENT (A)

6 Vin

10 Vin

12 Vin

16 Vin

20 Vin

VIN

CIN

3 x 10 2F

RFBT

CFF 4.7 nF (OPT)

See Table

CSS

0.47 2F

(OPT)

RFBB

See Table

COUT

2 x 330 2F

LMZ22010

VOUT

Enable

Share

Clock

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

LMZ22010

SNVS687H – MARCH 2011 – REVISED AUGUST 2015

LMZ22010 10-A SIMPLE SWITCHER® Power Module With 20-V Maximum Input Voltage

and Current Sharing

1 Features

2 Applications

1

•

Integrated Shielded Inductor

•

Point-of-load Conversions from 12-V Input Rail

•

Simple PCB Layout

•

Time-Critical Projects

•

Frequency Synchronization Input (350 kHz to 600

•

Space Constrained and High Thermal

kHz)

Requirement Applications

•

Current Sharing Capability

•

Negative Output Voltage Applications

See AN-2027 SNVA425

•

Flexible Start-up Sequencing Using External Soft-

Start, Tracking and Precision Enable

3 Description

•

Protection Against Inrush Currents and Faults

The LMZ22010 SIMPLE SWITCHER® power module

Such as Input UVLO and Output Short Circuit

is an easy-to-use step-down DC-DC solution capable

•

Junction Temperature Range –40°C to 125°C

of driving up to 10-A load. The LMZ22010 is available

•

Single Exposed Pad and Standard Pinout for Easy

in an innovative package that enhances thermal

Mounting and Manufacturing

performance

and

allows

for

hand

or

machine

soldering.

•

Fully Enabled for WEBENCH® Power Designer

The LMZ22010 can accept an input voltage rail

•

Pin Compatible With LMZ22008/06,

between 6 V and 20 V and can deliver an adjustable

LMZ12010/08/06, LMZ23610/08/06, and

and highly accurate output voltage as low as 0.8 V.

LMZ13610/08/06

The LMZ22010 only requires two external resistors

•

Electrical Specifications

and external capacitors to complete the power

–

50-W Maximum Total Output Power

solution.

–

Up to 10-A Output Current

The LMZ22010 is a reliable and robust design with

–

Input Voltage Range 6 V to 20 V

the following protection features: thermal shutdown,

programmable input under-voltage lockout, output

–

Output Voltage Range 0.8 V to 6 V

over-voltage protection, short-circuit protection, output

–

Efficiency up to 92%

current limit, and allows startup into a pre-biased

•

Performance Benefits

output. The sync input allows synchronization over

the 314- to 600-kHz switching frequency range and

–

High Efficiency Reduces System Heat

up to 6 modules can be connected in parallel for

Generation

higher load currents.

–

Low Radiated Emissions (EMI) Tested to

EN55022

Device Information(1)(2)

–

Only 7 External Components

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

Low Output Voltage Ripple

LMZ22010

NDY (11)

15.00 mm × 15.00 mm

–

No External Heat Sink Required

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

the end of the data sheet.

–

Simple Current sharing for Higher Current

(2) Peak reflow temperature equals 245°C. See SNAA214 for

Applications

more details.

NOTE:

EN 55022:2006, +A1:2007, FCC Part 15 Subpart B,

tested on Evaluation Board with EMI configuration.

Simplified Application Schematic

Efficiency 3.3-V Output at 25°C

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.