参数资料
型号: IR3820MTRPBF
厂商: International Rectifier
文件页数: 1/21页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 12A 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: 600kHz
电流 - 输出: 12A
同步整流器:
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: IR3820MTRPBFDKR
PD-60329
IR3820MPbF
Sup IR Buck
TM
HIGHLY INTEGRATED 12A
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 IR3820 Sup IR Buck TM is an easy-to-use, fully
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Continuous 12A 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)
integrated and highly efficient DC/DC regulator.
The onboard switching controller and MOSFETs
make the IR3820 a space-efficient solution,
providing accurate power delivery for low output
voltage applications.
The IR3820 operates from a single 4.5V to 14V
input supply and generates an output voltage
adjustable from 0.6V to 0.75*Vin at loads up to
12A.
A versatile regulator offering programmability of
startup time, power good threshold and current
limit, the IR3820’s fixed 600kHz switching
Applications
frequency allows the use of small external
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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
components.
The IR3820 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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