HIGH CURRENT SWITCHING REGULATORS

The L296 and L296P are stepdown power switching regulators delivering 4 A at a voltage variable from 5.1 V to 40 V.

Features of the devices include soft start, remote inhibit, thermal protection, a reset output for microprocessors and a PWM comparator input for synchronization in multichip configurations.

The L296P incudes external programmable limiting current.

The L296 and L296P are mounted in a 15-lead Multiwatt® plastic power package and requires very few external components.

Efficient operation at switching frequencies up to 200 KHz allows a reduction in the size and cost of external filter components. A voltage sense input and SCR drive output are provided for optional crowbar overvoltage protection with an external SCR.

Key Features

  • EXTERNAL PROGRAMMABLE LIMITING CURRENT (L296P)
  • RESET OUTPUT
  • INPUT FOR REMOTE INHIBIT AND SYNCHRONUS PWM
  • CONTROL CIRCUIT FOR CROWBAR SCR
  • THERMAL SHUTDOWN
  • VERY FEW EXTERNAL COMPONENTS
  • VERY HIGH EFFICIENCY (UP TO 90 %)
  • 4 A OUTPUT CURRENT
  • 0 TO 100 % DUTY CYCLE RANGE
  • 5.1 V TO 40 V OUTPUT VOLTAGE RANGE
  • SWITCHING FREQUENCY UP TO 200 KHz
  • SOFT START
  • PRECISE (±2 %) ON-CHIP REFERENCE

Circuit Diagram

0 Download

circuit_diagram_1333_thumbnail.png

Design

Technical Documentation

Product Specifications
Description Version Size
DS0049 DS0049: HIGH CURRENT SWITCHING REGULATORS 1.1 2 MB
Application Notes
Description Version Size
AN245 AN245: Designing multiple output power supplies with the L296 and L4960 1.2 848 KB
AN244 AN244: Designing with the L296 monolithic power switching regulator 1.2 1 MB

Publications and Collaterals

Brochures
Description Version Size
Brochure Power management guide 05.2016 4 MB
Support & Community


Sample & Buy

Part Number Package Packing Type Marketing Status Unit Price (US$) * Quantity ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
L296 MW 15L Tube Active 3.915 1000 NEC EAR99 - MORE INFO DISTRIBUTOR AVAILABILITY
L296HT MW 15L Tube Active 3.998 1000 NEC EAR99 - MORE INFO DISTRIBUTOR AVAILABILITY
L296P MW 15L Tube Active 3.921 1000 NEC EAR99 MOROCCO MORE INFO DISTRIBUTOR AVAILABILITY
test

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

Quality & Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L296 ActiveMW 15LIndustrialEcopack1 0 0
L296HT ActiveMW 15LIndustrialEcopack1
L296P ActiveMW 15LIndustrialEcopack1 0 0
test

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

×