参数资料
型号: IR3500VMTRPBF
厂商: International Rectifier
文件页数: 29/34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
C CP =
10 ? L E ? C E
R CP
(30)
C CP1 is optional and may be needed in some applications to reduce the jitter caused by the high frequency noise.
A ceramic capacitor between 10pF and 220pF is usually enough.
Type III Compensation for Non-AVP Applications
Resistor R DRP and capacitor C DRP are not needed. Choose the crossover frequency fc between 1/10 and 1/5 of
the switching frequency per phase and select the desired phase margin θ c. Calculate K factor from (31), and
determine the component values based on (32) to (36),
K = tan[ ? ( C + 1 . 5 )]
4 180
π θ
(31)
R CP = R FB ?
( 2 π ? L E ? C E ? f C ) 2 ? 5
V I ? K
(32)
C CP =
C CP 1 =
C FB =
R FB 1 =
Page 29 of 34
K
2 π ? f C ? R CP
1
2 π ? f C ? K ? R CP
K
2 π ? f C ? R FB
1
2 π ? f C ? K ? C FB
(33)
(34)
(35)
(36)
July 28, 2008
相关PDF资料
PDF描述
IR3502AMTRPBF IC XPHASE CTRL VR11.0/1 32-MLPQ
IR3502BMTRPBF IC REG XPH INTEL VR11.1 32-MLPQ
IR3502MTRPBF IC XPHASE3 CONTROLLER 32-MLPQ
IR3503MTRPBF IC CTRL XPHASE VR11.0/1 32-MLPQ
IR3504MTRPBF IC CTRL XPHASE3 SVID 32-MLPQ
相关代理商/技术参数
参数描述
IR3502 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM CONTROL IC
IR3502_09 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM CONTROL IC
IR3502A 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM CONTROL IC
IR3502AMPBF 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM CONTROL IC
IR3502AMTRPBF 功能描述:IC XPHASE CTRL VR11.0/1 32-MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:XPhase3™ 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