30

40

50

60

70

80

90

100

0.0

0.5

1.0

1.5

2.0

Output Current (A)

PVIN = 12 V

PVIN = 24 V

C001

V

OUT

= 5 V

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

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.

LMZ34202

SNVSAJ2 – MARCH 2016

LMZ34202 SIMPLE SWITCHER 4.5-V to 42-V Input, 2-A Power Module

1

1 Features

1

•

Complete Integrated Power Solution Allows

Small Footprint, Low-Profile Design

•

10 mm × 10 mm × 4.3 mm Package

•

Wide-Output Voltage Adjust (2.5 V to 7.5 V)

•

Adjustable Switching Frequency

(200 kHz to 1 MHz)

•

Synchronizes to an External Clock

•

Automatic PFM Mode for Light Load Efficiency

•

Adjustable Soft-Start Time

•

Output Voltage Sequencing / Tracking

•

Power Good Output

•

Programmable Undervoltage Lockout (UVLO)

•

Over-Temperature Thermal Shutdown Protection

•

Over-Current Protection (Hiccup Mode)

•

Pre-Bias Output Start-Up

•

Operating Temperature Range: –40°C to 105°C

•

Enhanced Thermal Performance: 14°C/W

•

Meets EN55022 Class B Emissions

– Integrated Shielded Inductor

2 Applications

•

Industrial and Motor Controls

•

Automated Test Equipment

•

Medical and Imaging Equipment

•

High Density Power Systems

3 Description

is an easy-to-use integrated power supply that

combines a 2-A DC-DC converter with a shielded

inductor and passives into a low profile, QFN

package. This total power solution allows as few as

three external components while maintaining an

ability to adjust key parameters to meet specific

design requirements.

The QFN package is easy to solder to a printed

circuit board, allows reflow profiles up to 260°C, and

has

excellent

power

dissipation

capability.

The

LMZ34202 offers flexibilty with many features and is

ideal for powering a wide range of devices and

systems.

Device Information(1)

DEVICE NUMBER

PACKAGE

BODY SIZE

LMZ34202

QFN (43)

10.0 mm × 10.0 mm

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

the end of the data sheet.

Simplified Application

Efficiency vs Output Current