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LMZM33602 4-V to 36-V Input, 2-A Power Module in QFN Package

1 Features

•Complete integrated power solution

–As few as four external components

–Minimum solution size < 100 mm

2

•9-mm × 7-mm × 4-mm QFN package

–All pins accessible from package perimeter

–Pin compatible with 3-A LMZM33603

•Input voltage range: 4 V to 36 V

•Output voltage range: 1 V to 18 V

•Efficiencies up to 95%

•Adjustable switching frequency (200 kHz to 1.2

MHz)

•Allows synchronization to an external clock

•Power-good output

•Meets EN55011 class B radiated EMI standards

•Operating IC junction range: –40°C to +125°C

•Operating ambient range: –40°C to +105°C

•Create a custom design using the LMZM33602

with the WEBENCH

®

Power Designer

2 Applications

•Factory and building automation

•Smart grid and energy

•Industrial

•Medical

•Defense

•Inverted output applications

3 Description

The LMZM33602 power module is an easy-to-use

integrated power solution that combines a 2-A, step-

down, DC/DC converter with power MOSFETs, a

shielded inductor, and passives into a low-profile

package. This power solution requires as few as four

external components and eliminates the loop

compensation and magnetics part selection from the

design process.

The 9-mm × 7-mm × 4-mm, 18-pin QFN package is

easy to solder onto a printed circuit board and allows

a compact, low-profile, point-of-load design. The full

feature set, including power good, programmable

UVLO, prebias start-up, overcurrent and

overtemperature protections, make the LMZM33602

an excellent device for powering a wide range of

applications.

Device Information

DEVICE NUMBERPACKAGEBODY SIZE (NOM)

LMZM33602QFN (18)9.00 mm × 7.00 mm

VIN

PGND

V

IN

VOUT

R

FBB

V

OUT

FB

R

FBT

C

IN

C

OUT

PGOOD

EN/SYNC

RT

R

RT

LMZM33602

Copyright © 2017, Texas Instruments Incorporated

Simplified Schematic

Output Current (A)

Ambient Temperature (°C)

0.00.51.01.52.0

25

35

45

55

65

75

85

95

105

115

SOA2

VIN = 24V

VOUT = 3.3V, fsw = 300kHz

VOUT = 5.0V, fsw = 450kHz

VOUT = 12V, fsw = 900kHz

Safe Operating Area

www.ti.com

LMZM33602

SNVSAO4D – DECEMBER 2017 – REVISED AUGUST 2020

Copyright ©2020 Texas Instruments Incorporated

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LMZM33602

SNVSAO4D – DECEMBER 2017 – REVISED AUGUST 2020

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.

Produktspecifikationer