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ISL6722AAVZ Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL6722AAVZ Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 24 page 1 ® CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2005, 2007. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. ISL6722A, ISL6723A Flexible Single Ended Current Mode PWM Controllers The ISL6722A and the ISL6723A are low power, single-ended pulse width modulating (PWM) current mode controllers designed for a wide range of DC/DC conversion applications including boost, flyback, and isolated output configurations. Similar to, and pin compatible with the ISL6721, the ISL6722A and ISL6723A offer a modified feature set. The ISL6722A replaces external synchronization with a low power SLEEP feature that reduces standby current to under 200µA. The ISL6723A changes the supply voltage UVLO threshold to 13V. Additionally, the internal over temperature protection has been removed in both controllers. Other features remain the same and include a low power mode during overvoltage and overcurrent shutdown faults where the supply current drops to 200µA. An internal 300ms delay timer prevents rapid “hiccup” behavior when a shutdown fault does occur. This advanced BiCMOS design features low operating current, adjustable operating frequency up to 1MHz, and adjustable soft-start. Pinouts ISL6722A, ISL6723A (16 LD SOIC, TSSOP) ISL6722A (16 LD QFN) Features • 1A MOSFET Gate Driver • 100µA Start-up Current • Fast Transient Response with Peak Current Mode Control • Adjustable Switching Frequency up to 1MHz • Low Power Sleep Mode (ISL6722A) • Low Power Shutdown Mode • Delayed Restart from OV and OC Shutdown Faults • Adjustable Slope Compensation • Adjustable Soft-Start • Adjustable Overcurrent Shutdown Delay • Adjustable UV and OV Monitors • Leading Edge Blanking • 1% Tolerance Voltage Reference • Pb-Free Plus Anneal Available (RoHS Compliant) Applications • Telecom and Datacom Power • Wireless Base Station Power • File Server Power • Industrial Power Systems • Isolated Buck and Flyback Regulators • Boost Regulators GATE ISENSE SYNC/SLEEP SLOPE UV OV RTCT VC PGND VCC VREF LGND SS COMP 1 2 3 4 5 6 7 16 15 14 13 12 11 10 8 9 ISET FB 1 3 4 15 SYNC/SLEEP SLOPE UV OV 16 14 13 2 12 10 9 11 6 57 8 VCC VREF LGND SS Ordering Information PART NUMBER* (Note) PART MARKING TEMP. RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL6722AABZ 6722AABZ -40 to +105 16 Ld SOIC M16.15 ISL6723AABZ 6723AABZ -40 to +105 16 Ld SOIC M16.15 ISL6722AAVZ 6722AAVZ -40 to +105 16 Ld TSSOP M16.173 ISL6722AARZ 22AZ -40 to +105 16 Ld QFN L16.3x3B *Add “-T” suffix to part number for tape and reel packaging. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. Data Sheet FN9237.1 July 11, 2007 |
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