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參數(shù)資料
| 型號(hào)： | IR3821MPBF |
| 廠商： | International Rectifier |
| 英文描述： | HIGHLY INTEGRATED 7A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| 中文描述： | 高度集成7A條寬輸入電壓同步降壓型穩(wěn)壓 |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 43K |
| 代理商： | IR3821MPBF |
11/28/07
1
PD-xxxxx
IR3821MPbF
HIGHLY INTEGRATED 7A
WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
Features
Wide Input Voltage Range 2.5V to 21V
Wide Output Voltage Range 0.6V to 12V
Continuous 7A Load Capability
600kHz 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)
Fig. 1. Typical application diagram
Description
The IR3821
Sup
IR
Buck
TM
is an easy-to-use, fully
integrated and highly efficient DC/DC regulator.
The onboard switching controller and MOSFETs
make the IR3821 a space-efficient solution,
providing accurate power delivery for low output
voltage applications.
The IR3821 operates from a 4.5V to 14V input
supply
and
generates
adjustable from 0.6V to 0.75*Vin at loads up to 7A.
an
output
voltage
A versatile regulator offering programmability of
startup time, power good threshold and current
limit, the IR3821’s fixed 600kHz switching
frequency allows the use of small external
components.
The IR3821 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.
Applications
Distributed Point-of-Loads
Server and Workstations
Embedded Systems
Storage Systems
DDR Applications
Graphics Cards
Game Consoles
Computing Peripheral Voltage Regulators
Sup
IR
Buck
TM
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IR3821MPBF_08 | 制造商:IRF 制造商全稱:International Rectifier 功能描述:HIGHLY INTEGRATED 7A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| IR3821MTR1PBF | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 7A SupIRBuck Reg 600kHz, 2.5-21V in RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| IR3821MTRPBF | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 7A SupIRBuck Reg 600kHz, 2.5-21V in RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| IR3822AMPBF | 制造商:IRF 制造商全稱:International Rectifier 功能描述:HIGHLY INTEGRATED 6A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| IR3822AMPBF_08 | 制造商:IRF 制造商全稱:International Rectifier 功能描述:HIGHLY INTEGRATED 6A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
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