LMZ23605TZ NOPB.pdf

1 Applications

• Simple PCB Layout • Point-of-load Conversions from 12-V and 24-V

• Frequency Synchronization Input (650 kHz to 950 Input Rail

kHz) • Time-Critical Projects

• Flexible Start-up Sequencing Using External Soft- • Space Constrained / High Thermal Requirement

Start, Tracking and Precision Enable Applications

• Protection Against Inrush Currents and Faults • Negative Output Voltage Applications See

such as Input UVLO and Output Short Circuit SNVA425

• Junction Temperature Range –40°C to +125°C

• Single Exposed Pad and Standard Pinout for Easy 3

 2 Description

The LMZ23605 SIMPLE SWITCHER® Mounting and Manufacturing power module

is an easy-to-use step-down DC – DC solution • Fast Transient Response for Powering FPGAs capable of driving up to 5-A load. The LMZ23605 is and ASICs available in an innovative package that enhances

• Fully Enabled for WEBENCH® Power Designer thermal performance and allows for hand or machine

• Pin Compatible With soldering.

LMZ22005/LMZ23603/LMZ22003 The LMZ23605 can accept an input voltage rail

• Performance Benefits between 6 V and 36 V and can deliver an adjustable

– High Efficiency Reduces System Heat and highly accurate output voltage as low as 0.8 V.

Generation The LMZ23605 only requires two external resistors

and three external capacitors to complete the power

– Tested to EN55022 Class B solution. The LMZ23605 is a reliable and robust

– See SNVA473 and Layout for Information design with the following protection features: thermal

on Device Under Test. shutdown, programmable input undervoltage lockout,

output overvoltage protection, short circuit protection, – Vin = 24 V Vo = 3.3 V Io = 5 A

output current limit, and the device allows start-up

NOTE: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. into a prebiased output. The sync input allows

– Low Component Count, only 5 External synchronization over the 650- to 950-kHz switching

Components frequency range.