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ISL6740IB Datasheet

  • ISL6740IB

  • Flexible Double Ended Voltage and Current Mode PWM Controlle...

  • 639.39KB

  • 29页

  • INTERSIL   INTERSIL

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庐
ISL6740, ISL6741
Data Sheet
July 2004
FN9111.3
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
鈥?Precision Duty Cycle and Deadtime Control
鈥?95碌A Startup Current
鈥?Adjustable Delayed Over Current Shutdown and Re-Start
(ISL6740)
鈥?Adjustable Short Circuit Shutdown and Re-Start
鈥?Adjustable Oscillator Frequency Up to 2MHz
鈥?Bidirectional Synchronization
鈥?Inhibit Signal
鈥?Internal Over Temperature Protection
鈥?System Over Temperature Protection Using a Thermistor
or Sensor
鈥?Adjustable Soft Start
鈥?Adjustable input Under Voltage Lockout
PKG.
DWG. #
Ordering Information
PART NUMBER
ISL6740IB
ISL6740IBZ
(See Note)
ISL6740IV
ISL6740IVZ
(See Note)
ISL6741IB
ISL6741IBZ
(See Note)
ISL6741IV
ISL6741IVZ
(See Note)
TEMP. RANGE
(
o
C)
-40 to 105
-40 to 105
-40 to 105
-40 to 105
-40 to 105
-40 to 105
-40 to 105
-40 to 105
PACKAGE
16 Ld SOIC
16 Ld SOIC
(Pb-free)
16 Ld TSSOP
16 Ld TSSOP
(Pb-free)
16 Ld SOIC
16 Ld SOIC
(Pb-free)
16 Ld TSSOP
16 Ld TSSOP
(Pb-free)
鈥?Fault Signal
鈥?Tight Tolerance Voltage Reference Over Line, Load, and
Temperature
鈥?Pb-free available
M16.15
M16.15
M16.173
M16.173
M16.15
M16.15
M16.173
M16.173
Applications
鈥?Telecom and Datacom Power
鈥?Wireless Base Station Power
鈥?File Server Power
鈥?Industrial Power Systems
鈥?DC Transformers and Buss Regulators
Pinout
ISL6740, ISL6741 (SOIC, TSSOP)
TOP VIEW
OUTA
1
16 OUTB
15 V
REF
14 V
DD
13 R
TD
12 R
TC
11 OTS
10 FAULT
9 SS
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
=
0
1
CONTROL MODE
Voltage Mode
Current Mode
GND 2
SCSET 3
C
T
4
SYNC 5
CS 6
V
ERROR
7
UV 8
1
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 漏 Intersil Americas Inc. 2003-2004. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

ISL6740IB PDF文件相关型号

ISL6741IB,ISL6741IBZ,ISL6741IV,ISL6741IVZ

ISL6740IB 产品属性

  • 48

  • 集成电路 (IC)

  • PMIC - 稳压器 - DC DC 切换控制器

  • -

  • 电压模式

  • 2

  • 2MHz

  • 100%

  • 9 V ~ 16 V

  • 无

  • 无

  • 无

  • 无

  • 无

  • 无

  • 无

  • 无

  • -40°C ~ 105°C

  • 16-SOIC（0.154"，3.90mm 宽）

  • 管件

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