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参数资料
| 型号： | IR3628MPBF |
| 厂商： | International Rectifier |
| 英文描述： | HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER |
| 中文描述： | 高频同步PWM降压控制器 |
| 文件页数： | 1/22页 |
| 文件大小： | 581K |
| 代理商： | IR3628MPBF |
IR3628MPbF
08/10/2007
Data Sheet No PD
94725
HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER
Description
The IR3628 is a PWM controller designed for
high performance synchronous Buck DC/DC
applications. The IR3628 drives a pair of external
N-MOSFETs using a fixed 600kHz switching
frequency allowing the use of small external
components. The output voltage can be precisely
regulated using the internal 0.6V reference
voltage for low voltage applications. IR3628
provides an efficient solution for high-speed
bandwidth data bus which requires a particular
tracking scheme for best performance using the
uncommitted error amplifier.
Protection such as Pre-Bias startup, hiccup
current limit and thermal shutdown are provided
to give required system level security in the event
of fault conditions.
Features
Internal 600kHz Oscillator
Operates with Single 5V or 12V Supply
Programmable Over Current Protection
Hiccup Current Limit Using MOSFET R
DS(on)
sensing
Tracking for memory application
Precision Reference Voltage (0.6V)
Programmable Soft-Start
Pre-Bias Start-up
Thermal Protection
12-Lead 3x4mm MLPD Package
Applications
DDR Application
Storage Systems
Embedded Telecom Systems
Distributed Point of Load Power Architectures
Computing Peripheral Voltage Regulator
Graphics Card
General DC/DC Converters
Fig. 1: Typical application Circuit
ORDERING INFORMATION
PKG
PACKAGE
PIN
PARTS
T&R
DESIG DESCRIPTION
COUNT PER TUBE
PER REEL
ORIANTAION
M
IR3628MPBF
12
122
-------
M
IR3628MTRPBF
12
--------
3000
Figure A
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| IR3628MTRPBF | HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER |
| IR3629AMPBF | HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT |
| IR3629AMTRPBF | HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT |
| IR3629A | HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3628MTRPBF | 功能描述:电压模式 PWM 控制器 HI FREQ SYNC PWM 600kHz 5 or 12V 0.6 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| IR3629 | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT |
| IR3629A | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT |
| IR3629AMPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT |
| IR3629AMTRPBF | 功能描述:电压模式 PWM 控制器 HI FREQ SYNC PWM 600kHz 5 or 12V 0.6 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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