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ISL6741IB Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL6741IB Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 29 page 1 ® FN9111.3 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2003-2004. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. ISL6740, ISL6741 Flexible Double Ended Voltage and Current Mode PWM Controllers The ISL6740, ISL6741 family of adjustable frequency, low power, pulse width modulating (PWM) voltage mode (ISL6740) and current mode (ISL6741) controllers is designed for a wide range of power conversion applications using half-bridge, full bridge, and push-pull configurations. These controllers provide an extremely flexible oscillator that allows precise control of frequency, duty cycle, and deadtime. This advanced BiCMOS design features low operating current, adjustable switching frequency up to 1MHz, adjustable soft start, internal and external over temperature protection, fault annunciation, and a bidirectional SYNC signal that allows the oscillator to be locked to paralleled units or to an external clock for noise sensitive applications. Features • Precision Duty Cycle and Deadtime Control •95 µA Startup Current • Adjustable Delayed Over Current Shutdown and Re-Start (ISL6740) • Adjustable Short Circuit Shutdown and Re-Start • Adjustable Oscillator Frequency Up to 2MHz • Bidirectional Synchronization • Inhibit Signal • Internal Over Temperature Protection • System Over Temperature Protection Using a Thermistor or Sensor • Adjustable Soft Start • Adjustable input Under Voltage Lockout • Fault Signal • Tight Tolerance Voltage Reference Over Line, Load, and Temperature • Pb-free available Applications • Telecom and Datacom Power • Wireless Base Station Power • File Server Power • Industrial Power Systems • DC Transformers and Buss Regulators Pinout ISL6740, ISL6741 (SOIC, TSSOP) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. DWG. # ISL6740IB -40 to 105 16 Ld SOIC M16.15 ISL6740IBZ (See Note) -40 to 105 16 Ld SOIC (Pb-free) M16.15 ISL6740IV -40 to 105 16 Ld TSSOP M16.173 ISL6740IVZ (See Note) -40 to 105 16 Ld TSSOP (Pb-free) M16.173 ISL6741IB -40 to 105 16 Ld SOIC M16.15 ISL6741IBZ (See Note) -40 to 105 16 Ld SOIC (Pb-free) M16.15 ISL6741IV -40 to 105 16 Ld TSSOP M16.173 ISL6741IVZ (See Note) -40 to 105 16 Ld TSSOP (Pb-free) M16.173 Add -T suffix to part number for tape and reel packaging NOTE: Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which is 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-020B. x =CONTROL MODE 0 Voltage Mode 1 Current Mode OUTA GND SCSET CT SYNC CS VERROR OUTB VREF VDD RTD RTC OTS FAULT 1 2 3 4 5 6 7 16 15 14 13 12 11 10 8 9 UV SS Data Sheet July 2004 |
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