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参数资料
| 型号： | IR3087MTR |
| 厂商： | International Rectifier |
| 文件页数： | 1/35页 |
| 文件大小： | 0K |
| 描述： | IC XPHASE W/OVP/TM CTRL 20L-MLPQ |
| 标准包装： | 3,000 |
| 系列： | XPhase™ |
| 应用： | 处理器 |
| 电流 - 电源： | 10mA |
| 电源电压： | 8.4 V ~ 21 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： | 带卷 (TR) |
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IR3087
DATA SHEET
XPHASE TM PHASE IC WITH OPTI-PHASE TM , OVP, AND OVERTEMP DETECT
DESCRIPTION
The IR3087 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 IR3087 with Opti-Phase TM is intended for applications demanding increased efficiency under medium to
light load conditions. Both gate drivers will drive low at a programmable output current threshold. This
effectively disconnects the phase from the load eliminating power losses due to switching and circulating
currents.
FEATURES
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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
Opti-Phase TM reduces the number of phases for improved light to medium load efficiency
OVP comparator with 150ns response
Programmable Phase Over-Temperature Detection
Small thermally enhanced 20L MLPQ package
APPLICATION CIRCUIT
VGATE
12V
VRHOT
ROP1
ROP2
RCS-
CCS+
DAC
RBIASIN
20k
CCS-
RCS+
BIAS
DBST
CBST
CIN
5 Wire Analog Bus
From Control IC
RAMP
1
2
3
RMPIN+
RMPIN-
HOTSET
IR3087
PHASE
VCCH
GATEH
PGND
15
14
13
L
VO
ISHARE
4
5
VRHOT
ISHARE
IC
GATEL
VCCL
12
11
CO
CVCCL
RVCC
Page 1 of 35
EA
CSCOMP
RPWMRMP
CVCC
1 /31/05
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3087MTRPBF | 功能描述:IC CONTROLLER PHASE 20MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:XPhase™ 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像，声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP（8x8） 包装:管件 |
| IR3087PBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM PHASE IC WITH OPTI-PHASETM, OVP, AND OVERTEMP DETECT |
| IR3088 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE PHASE IC WITH FAULT AND OVERTEMP DETECT |
| IR3088A | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT |
| IR3088A_05 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT |
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