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| 型号： | IR3821AMTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 9A 15QFN |
| 产品培训模块： | SupIRBuck™ Integrated Point-of-Load Regulators SupIRBuck? Family and POL Design Tools Overview |
| 标准包装： | 1 |
| 系列： | SupIRBuck™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 12 V |
| 输入电压： | 2.5 V ~ 21 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 9A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 15-PowerVQFN |
| 包装： | 标准包装 |
| 供应商设备封装： | PQFN（5x6） |
| 产品目录页面： | 1384 (CN2011-ZH PDF) |
| 其它名称： | IR3821AMTRPBFDKR |
PD-60332
IR3821AMPbF
Sup IR Buck
TM
HIGHLY INTEGRATED 9A
WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
Features
? Wide Input Voltage Range 2.5V to 21V
? Wide Output Voltage Range 0.6V to 12V
Description
The IR3821A Sup IR Buck TM is an easy-to-use,
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Continuous 9A Load Capability
300kHz High Frequency Operation
Programmable Over-Current Protection
Programmable PGood Output
Hiccup Current Limit
Precision Reference Voltage (0.6V)
Programmable Soft-Start
Pre-Bias Start-up
Thermal Protection
Thermally Enhanced Package
Small Size 5mmx6mm QFN
Pb-Free (RoHS Compliant)
fully integrated and highly efficient DC/DC
regulator. The onboard switching controller and
MOSFETs make the IR3821A a space-efficient
solution, providing accurate power delivery for
low output voltage applications.
The IR3821A operates from a single 4.5V to 14V
input supply and generates an output voltage
adjustable from 0.6V to 0.8*Vin at loads up to 9A.
A versatile regulator offering programmability of
startup time, power good threshold and current
limit, the IR3821A’s fixed 300kHz switching
frequency allows the use of small external
Applications
components.
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Distributed Point-of-Loads
Server and Workstations
Embedded Systems
Storage Systems
DDR Applications
Graphics Cards
Game Consoles
Computing Peripheral Voltage Regulators
The IR3821A also features important protection
functions, such as Pre-Bias startup, hiccup
current limit and thermal shutdown to provide the
required system level security in the event of fault
conditions.
Fig. 1. Typical application diagram
11/04/08
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3821MPBF | 制造商:International Rectifier 功能描述:Conv DC-DC Single Step Down 2.5V to 21V 15-Pin Power QFN EP 制造商:International Rectifier 功能描述:CONV DC-DC SGL-OUT STEP DOWN 15QFN - Bulk |
| IR3821MPBF_08 | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY INTEGRATED 7A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| IR3821MTR1PBF | 功能描述:直流/直流开关调节器 7A SupIRBuck Reg 600kHz, 2.5-21V in RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| IR3821MTRPBF | 功能描述:直流/直流开关调节器 7A SupIRBuck Reg 600kHz, 2.5-21V in RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| IR3822AMPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGHLY INTEGRATED 6A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
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