LMZ14203TZ-ADJ National Semiconductor, LMZ14203TZ-ADJ Datasheet

LMZ14203TZ-ADJ

Manufacturer Part Number

LMZ14203TZ-ADJ

Description

Manufacturer

National Semiconductor

Datasheets

1.LMZ14203TZX-ADJ.pdf (18 pages)

2.LMZ14203TZ-ADJ.pdf (18 pages)

3.LMZ14203TZ-ADJ.pdf (20 pages)

Specifications of LMZ14203TZ-ADJ

Case

TO-PMOD

Notes

NEW

Date_code

10+

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LMZ14203TZ-ADJ/NOPB

Manufacturer:

Quantity:

1 000

Current page: 1 of 18
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3A SIMPLE SWITCHER® Power Module with 42V Maximum

Input Voltage

Electrical Specifications

■

Key Features

■

Applications

■

18W maximum total output power

Up to 3A output current

Input voltage range 6V to 42V

Output voltage range 0.8V to 6V

Efficiency up to 90%

Integrated shielded inductor

Simple PCB layout

Flexible startup sequencing using external soft-start and

precision enable

Protection against inrush currents and faults such as input

UVLO and output short circuit

– 40°C to 125°C junction temperature range

Single exposed pad and standard pinout for easy

mounting and manufacturing

Fast transient response for powering FPGAs and ASICs

Low output voltage ripple

Pin-to-pin compatible family:

LMZ14203/2/1 (42V max 3A, 2A, 1A)

LMZ12003/2/1 (20V max 3A, 2A, 1A)

Fully enabled for Webench® Power Designer

Point of load conversions from 12V and 24V input rail

Time critical projects

Space constrained / high thermal requirement applications

Negative output voltage applications (See AN-2027)

10.16 x 13.77 x 4.57 mm (0.4 x 0.542 x 0.18 in)

Easy to use 7 pin package

TO-PMOD 7 Pin Package

= 20°C/W, θ

RoHS Compliant

= 1.9°C/W

301070

30107086

LMZ14203

Performance Benefits

■

System Performance

Operates at high ambient temperature with no thermal

derating

High efficiency reduces system heat generation

Low radiated emissions (EMI) complies with EN55022

class B standard

Passes 10V/m radiated immunity EMI test standard

EN61000 4-3

Radiated Emissions (EN 55022 Class B)

Efficiency V

Thermal derating curve

from Evaluation Board

= 24V, V

= 24V V

OUT

= 5.0V,

OUT

= 5.0V

30107036

30107038

30107037

April 12, 2010

www.national.com

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