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參數資料
| 型號： | ISL6729IUZ-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Low-Cost Single-Ended Current-Mode PWM for Microcontroller Based Power Converters |
| 中文描述： | 1 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 265K |
| 代理商： | ISL6729IUZ-T |
1
FN9152.1
ISL6729
Low-Cost Single-Ended Current-Mode
PWM for Microcontroller Based Power
Converters
The ISL6729 pulse width modulating (PWM) current mode
controller is designed for power conversion applications that
are based on a microcontroller or other device which can
generate a digital clock signal at the desired switching
frequency. Similar to the ISL684x family of products, the
ISL6729 provides the basic current mode PWM control
features, but eliminates the error amplifier, the oscillator, and
the reference. An external clock signal applied to the
oscillator input provides the time base and sets the
maximum duty cycle. The reduced feature set is ideal for
those applications where a microcontroller is available to
provide the monitor and control functions. The analog PWM
provides the cycle by cycle peak current mode control,
leaving the monitor and control overhead to the
microcontroller.
Features
5V Operation
1A MOSFET gate driver
400
μ
A startup current
30ns propagation delay current sense to output
Fast transient response with peak current mode control
Switching frequency to 2MHz
20ns rise and fall times with 1nF output load
Maximum Duty Cycle Determined by Clock Input Duty
Cycle
Tight tolerance current limit threshold
Pb-free available
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
ISL6729 (8-PIN SOIC, MSOP)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE
(°C)
PACKAGE
PKG.
DWG. #
ISL6729IB
-40 to 105
8 Ld SOIC
M8.15
ISL6729IBZ
(See Note)
-40 to 105
8 Ld SOIC
(Pb-free)
M8.15
ISL6729IU
-40 to 105
8 Ld MSOP
M8.118
ISL6729IUZ
(See Note)
-40 to 105
8 Ld MSOP
(Pb-free)
M8.118
Add -T 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.
PART NUMBER
RISING UVLO
MAX. DUTY CYCLE
ISL6729
4.75V
100%
COMP
N/C
CS
CLKS
1
2
3
4
8
7
6
5
N/C
VDD
OUT
GND
Data Sheet
July 2004
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. 2004 All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
相關PDF資料 |
PDF描述 |
|---|---|
| ISL6741IB | Flexible Double Ended Voltage and Current Mode PWM Controllers |
| ISL6741IV | Flexible Double Ended Voltage and Current Mode PWM Controllers |
| ISL6740 | Flexible Double Ended Voltage and Current Mode PWM Controllers |
| ISL6740IB | Flexible Double Ended Voltage and Current Mode PWM Controllers |
| ISL6740IV | Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 |
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