IR3812MPBF [INFINEON]
HIGHLY INTEGRATED 4A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR; 高度集成的4A宽电压输入，同步降压稳压器
| 型号： | IR3812MPBF |
| 厂家： | 
Infineon |
| 描述： | HIGHLY INTEGRATED 4A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR |
| 文件： | 总1页 (文件大小：35K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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IR3812MPbF
TM
SupIRBuck
HIGHLY INTEGRATED 4A
WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
Features
Description
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Wide Input Voltage Range 2.5V to 21V
Wide Output Voltage Range 0.6V to 12V
Continuous 4A Load Capability
600kHz High Frequency Operation
Programmable Over-Current-Protection
Hiccup Current Limit
The IR3812 SupIRBuckTM is an easy-to-use, fully
integrated and highly efficient DC/DC regulator.
The onboard switching controller and MOSFETs
make the IR3812 a space-efficient solution,
providing accurate power delivery for low output
voltage applications.
Tracking capability for Memory Application
Precision Reference Voltage (0.6V)
Programmable Soft-Start
The IR3812 operates from a 4.5V to 14V input
supply and generates an output voltage
adjustable from 0.6V to 0.80*Vin at loads up to 4A.
Pre-Bias Start-up
Thermal Protection
IR3812 can be configured for tracking
applications to generate termination voltage (VTT)
for memory applications.
Thermally Enhanced Package
Small Size 5mmx6mm QFN
Pb-Free (RoHS Compliant)
A versatile regulator offering programmability of
start up time and current limit, the IR3812’s fixed
600kHz switching frequency allows the use of
small external components.
Applications
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Distributed Point-of-Loads
Server and Workstations
Embedded Systems
IR3812 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.
Storage Systems
DDR Applications
Graphics Cards
Game Consoles
Computing Peripheral Voltage Regulators
Fig. 1. Typical application diagram
11/28/07
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