Overview
Description
The ISL6721 is a low power, single-ended Pulse Width Modulating (PWM) current mode controller designed for a wide range of DC/DC conversion applications including Boost, Flyback and isolated output configurations. Peak current mode control effectively handles power transients and provides inherent overcurrent protection. Other features include a low power mode where the supply current drops to less than 200μA during overvoltage and overcurrent shutdown faults. This advanced BiCMOS design features low operating current, adjustable operating frequency up to 1MHz, adjustable soft-start, and a bidirectional SYNC signal that allows the oscillator to be locked to an external clock for noise sensitive applications.
Features
- 1A MOSFET gate driver
- 100μA start-up current
- Fast transient response with peak current mode control
- Adjustable switching frequency up to 1MHz
- Bidirectional synchronization
- Low power disable mode
- Delayed restart from OV and OC shutdown faults
- Adjustable slope compensation
- Adjustable soft-start
- Adjustable overcurrent shutdown threshold
- Adjustable UV and OV monitors
- Leading edge blanking
- Integrated thermal shutdown
- 1% tolerance voltage reference
- Pb-free available (RoHS compliant)
Comparison
Applications
Design & Development
Software & Tools
Software & Tools
| Software title
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Software type
|
Company
|
|---|---|---|
| iSim:PE Offline Simulation Tool iSim Personal Edition (iSim:PE) speeds the design cycle and reduces risk early in any project, identifying parts that can be used in current as well as next-generation designs.
|
Simulator | Renesas |
1 item
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Boards & Kits
Evaluation
ISL6721EVAL3Z
Last Time Buy
Resonant Reset Forward Converters for Low Power Applications Evaluation Board
The ISL6721EVAL3Z evaluation board serves as a reference design for a single switch resonant reset forward converter with multiple outputs for typical industry applications that need isolation. It can be used for security monitoring systems where an input voltage range of 21.6V to 52.8V is...
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Evaluation
ISLACDC750WEVKIT1Z
Active
Boost PFC and Asymmetrical Full-Bridge ZVS Converter Evaluation Kit
The ISLACDC750WEVKIT1Z evaluation kit is designed to demonstrate ATX PC power supply applications based on the ISL6754 ZVS full-bridge PWM controller, ISL6731A and ISL6731B power factor correction (PFC) controllers, and the ISL6721 single-ended current mode PWM controller. With a 400V DC bus,...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
Product Options
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