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ISL8843 Folha de dados(PDF) 1 Page - Intersil Corporation |
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ISL8843 Folha de dados(HTML) 1 Page - Intersil Corporation |
1 / 12 page 1 ® FN9238.0 ISL8843 Industry Standard Single-Ended Current Mode PWM Controller The ISL8843 is an industry standard drop-in replacement for the popular 28C43 and 18C43 PWM controllers suitable for a wide range of power conversion applications including boost, flyback, and isolated output configurations. Its fast signal propagation and output switching characteristics make this an ideal product for existing and new designs. Features include 30V operation, low operating current, 90 µA start-up current, adjustable operating frequency to 2MHz, and high peak current drive capability with 20ns rise and fall times. Features • 1A MOSFET gate driver •90 µA start-up current, 125µA maximum • 35ns propagation delay current sense to output • Fast transient response with peak current mode control • 30V operation • Adjustable switching frequency to 2MHz • 20ns rise and fall times with 1nF output load • Trimmed timing capacitor discharge current for accurate deadtime/maximum duty cycle control • 1.5MHz bandwidth error amplifier • Tight tolerance voltage reference over line, load, and temperature • ±3% current limit threshold • Pb-free plus anneal available and ELV, WEEE, RoHS Compliant Applications • Telecom and datacom power • Wireless base station power • File server power • Industrial power systems • PC power supplies • Isolated buck and flyback regulators • Boost regulators Pinout ISL8843 (8 LD SOIC, MSOP) TOP VIEW PART NUMBER RISING UVLO MAX. DUTY CYCLE ISL8843 8.4V 100% Ordering Information PART NUMBER PART MARKING TEMP. RANGE (°C) PACKAGE PKG. DWG. # ISL8843ABZ (See Note) 8843 ABZ -40 to 105 8 Ld SOIC (Pb-free) M8.15 ISL8843AUZ (See Note) 8843Z -40 to 105 8 Ld MSOP (Pb-free) M8.118 ISL8843MBZ (See Note) 8843 MBZ -55 to 125 8 Ld SOIC (Pb-free) M8.15 ISL8843MUZ (See Note) 843MZ -55 to 125 8 Ld MSOP (Pb-free) M8.118 Add -T 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. COMP FB RTCT VREF VDD OUT GND 1 2 3 4 8 CS 7 6 5 Data Sheet October 19, 2005 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 All Rights Reserved. All other trademarks mentioned are the property of their respective owners. |
Nº de peça semelhante - ISL8843 |
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Descrição semelhante - ISL8843 |
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