参数资料
型号: IR3500VMTRPBF
厂商: International Rectifier
文件页数: 1/34页
文件大小: 0K
描述: IC XPHASE3 CTLR VR11.1 32-MLPQ
标准包装: 1
系列: XPhase3™
应用: 处理器
电流 - 电源: 6.5mA
电源电压: 4.75 V ~ 7.5 V
工作温度: 0°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-MLPQ(5x5)
包装: 标准包装
其它名称: IR3500VMTRPBFDKR
IR3500V
DATA SHEET
XPHASE3 TM VR11.1 CPU VTT CONTROL IC
DESCRIPTION
The IR3500V Control IC combined with one or more xPhase3
MOSFET driver functions for a VR11.1 CPU VTT power supply.
FEATURES
TM
Phase IC implement the control and
12V
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1 to X phase operation with matching Phase IC
0.7% overall system set point accuracy
Programmable 250kHz to 9MHz Daisy-chain digital phase timing clock oscillator frequency provides a per
phase switching frequency of 250kHz to 1.5MHz without external components
Programmable Dynamic VID Slew Rate
Programmable Load Line Output Impedance
High speed error amplifier with wide bandwidth of 30MHz and fast slew rate of 12V/us
Programmable converter current limit during soft start, hiccup with delay during normal operation
Central over voltage detection with programmable threshold and communication to phase IC(s)
Over voltage signal output to system with overvoltage detection during powerup and normal operation
Detection and protection of open remote sense line and open control loop
IC bias linear regulator control with programmable output voltage and UVLO
Programmable VRHOT function monitors temperature of power stage through a NTC thermistor
Remote sense amplifier with true converter voltage sensing and less than 50uA bias current
Simplified PGOOD output provides indication of proper operation and avoids false triggering
Small thermally enhanced 32L 5mm x 5mm MLPQ package
RoHS Compliant
RVCCLFB1
RVCCLFB2
CVCCL
4.7uF
RVCCLDRV
PGOOD
1
2
3
VID7
VID6
VID5
LGND
ROSC / OVP
SS/DEL
24
23
22
ROSC
CSS/DEL
VID4
VID3
VID2
4
5
6
VID4
VID3
VID2
IR3500V
VDAC
OCSET
VSETPT
21
20
19
RVDAC
ROCSET
CVDAC
CIN
7
8
VID1
VID0
IIN
VDRP
18
17
1
2
3
4
ISHARE
DACIN
LGND
PHSIN
IR3505
SW
GATEH
BOOST
VCCL
12
11
10
9
CBST2
RCS
L
CCS
COUT
VOUT SENSE+
VOUT+
ENABLE
VRHOT
DISTRIBUTION
IMPEDANCE
RHOTSET2
RFB1
CFB
RDRP
RCP
CCP
VOUT-
CVCCL
RHOTSET1
RFB
RFB2
CCP1
RTHERMISTOR1
Close to
VOUT SENSE-
RTHERMISTOR2
Power Stage
Figure 1 – Single Phase VR11.1 CPU VTT Application Circuit
Page 1 of 34
July 28, 2008
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