参数资料
型号: IR3088M
厂商: International Rectifier
文件页数: 1/34页
文件大小: 0K
描述: IC XPHASE W/FAULT DET 20L-MLPQ
标准包装: 5
系列: XPhase™
应用: 处理器
电流 - 电源: 10mA
电源电压: 8.4 V ~ 14 V
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-MLPQ
供应商设备封装: 20-MLPQ(4x4)
包装: 剪切带 (CT)
其它名称: *IR3088M

NOT RECOMMENDED FOR NEW
DESIGNS. REPLACE WITH IR3088A
Data Sheet No. PD94712
IR3088
XPHASE TM PHASE IC WITH FAULT AND OVERTEMP DETECT
DESCRIPTION
The IR3088 Phase IC combined with an IR XPhase TM Control IC provides a full featured and flexible way to
implement power solutions for the latest high performance CPUs and ASICs. The “Control” IC provides
overall system control and interfaces with any number of “Phase” ICs which each drive and monitor a single
phase of a multiphase converter. The XPhase TM architecture results in a power supply that is smaller, less
expensive, and easier to design while providing higher efficiency than conventional approaches.
The IR3088 is intended for the following application conditions:
? Excessive impedance between converter and load
? Output voltage exceeding the control IC reference/VID voltage
FEATURES
?
?
?
?
?
?
?
?
?
2.5A Average Gate Drive Current
Loss-Less Inductor Current Sense
Internal Inductor DCR Temperature Compensation
Programmable Phase Delay
Programmable Feed-Forward Voltage Mode PWM Ramp
Sub 100ns Minimum Pulse Width supports 1MHz per-phase operation
Current Sense Amplifier drives a single wire Average Current Share Bus
Current Share Amplifier reduces PWM Ramp slope to ensure sharing between phases
Body Braking TM disables Synchronous MOSFET for improved transient response and prevents negative
output voltage at converter turn-off
? Phase Fault Detection
? Programmable Phase Over-Temperature Detection
? Control FET driver’s 25V input voltage capability simplifies boot-strap supply design
? Small thermally enhanced 20L MLPQ package
PACKAGE PINOUT
1
RMPIN+
VCCH
15
2
3
4
5
RMPIN-
HOTSET
VRHOT
ISHARE
IR3088
PHASE
IC
GATEH
PGND
GATEL
VCCL
14
13
12
11
Page 1 of 34
9/30 /04
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