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ISL8841AAUZ Datasheet

  • ISL8841AAUZ

  • High Performance Industry Standard Single-Ended Current Mode...

  • 302.53KB

  • 15頁(yè)

  • INTERSIL   INTERSIL

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廬
ISL8840A, ISL8841A, ISL8842A,
ISL8843A, ISL8844A, ISL8845A
Data Sheet
April 18, 2007
FN6320.3
High Performance Industry Standard
Single-Ended Current Mode PWM
Controller
The ISL884xA is a high performance drop-in replacement for
the popular 28C4x and 18C4x 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渭A
start-up current, adjustable operating frequency to 2MHz,
and high peak current drive capability with 20ns rise and fall
times.
PART NUMBER
ISL8840A
ISL8841A
ISL8842A
ISL8843A
ISL8844A
ISL8845A
RISING UVLO
7.0
7.0
14.4V
8.4V
14.4V
8.4V
MAX. DUTY CYCLE
100%
50%
100%
100%
50%
50%
Features
鈥?1A MOSFET gate driver
鈥?90渭A start-up current, 125渭A maximum
鈥?35ns propagation delay current sense to output
鈥?Fast transient response with peak current mode control
鈥?30V operation
鈥?Adjustable switching frequency to 2MHz
鈥?20ns rise and fall times with 1nF output load
鈥?Trimmed timing capacitor discharge current for accurate
deadtime/maximum duty cycle control
鈥?1.5MHz bandwidth error amplifier
鈥?Tight tolerance voltage reference over line, load and
temperature
鈥?鹵3% current limit threshold
鈥?Pb-free plus anneal available
and ELV, WEEE, RoHS
Compliant
Applications
鈥?Telecom and datacom power
鈥?Wireless base station power
鈥?File server power
鈥?Industrial power systems
鈥?PC power supplies
鈥?Isolated buck and flyback regulators
鈥?Boost regulators
Pinout
ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A
(8 LD SOIC, MSOP)
TOP VIEW
COMP 1
FB 2
CS 3
RTCT 4
8 VREF
7 VDD
6 OUT
5 GND
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 漏 Intersil Americas Inc. 2005, 2006, 2007. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

ISL8841AAUZ 產(chǎn)品屬性

  • 980

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 切換控制器

  • -

  • 電流模式

  • 1

  • 2MHz

  • 50%

  • 9 V ~ 30 V

  • 是

  • 是

  • 是

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 是

  • -40°C ~ 105°C

  • 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）

  • 管件

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