参数资料
型号: IR3093MPBF
厂商: International Rectifier
文件页数: 28/39页
文件大小: 0K
描述: IC VID VOLTAGE PROGRAMMER 48MLPQ
标准包装: 100
应用: VID 电压编程器
电源电压: 7.4 V ~ 21 V
电流 - 电源: 38mA
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 48-MLPQ
供应商设备封装: 48-MLPQ(7x7)
包装: 剪切带 (CT)
Output Impedance: R O =1m ?
Output Inductors: L=0.25 uH, R L =0.65 m ?
For switching frequency of 300 kHz per phase, Choose R OSC =30k ?
IR3093PbF
DESIGN EXAMPLE
IR3093 Demo Board for VRD10.1 Application
Specifications:
Input Voltage: V I =12 V
DAC Voltage: V DAC =1.35 V
No Load Output Voltage Offset: V O_NLOFST =20 mV
Output Current: I O =101 A DC
Output Current Limit set point: I LIMIT =130 A
VCC Ready to VCC Power Good Delay: t VccPG =0-10mS
Soft Start Time: t SS =2 mS
Dynamic VID Down-Slope Slew Rate: SR DOWN =2.5mV/uS
Power Stage Design
Control IC: IR3093
Phase Number: n=3
Switching Frequency: f SW =300 kHz
Output Capacitors: C=0.007F, R CE =0.7 m ?
External Components
Oscillator Resistor Rosc
Once the switching frequency is chosen, R OSC can be determined from the curve in this datasheet.
Soft Start Capacitor C SS
Calculate the soft start capacitor from the required soft start time 2mS.
1 . 35   20 * 10 3
C SS
I CHG * t SS
V O
60 * 10 6 * 2 * 10
3
0 . 09 * 10 6 F
Choose C SS = 0.1 uF
With the selected Css value, we can calculate the following delay times:
The Over-Current fault latch delay time t OCDEL will be:
t OCDEL
C SS * ' V
I DISCHG
0 .1 * 10 6 * 0. 25
61 * 10 6
0 . 4 mS
The soft start delay time is
t SSDEL
C SS * ' V
I CHG
0 .1 * 10 6 * 1. 1
60 * 10 6
1 . 8 mS
Page 28 of 39
09/08/05
相关PDF资料
PDF描述
RMM06DTKI CONN EDGECARD 12POS DIP .156 SLD
M3BBA-1620K IDC CABLE - MSR16A/MC16F/MSR16A
EBM25DRSI CONN EDGECARD 50POS DIP .156 SLD
V375C48E150BF3 CONVERTER MOD DC/DC 48V 150W
101A062-4/86-0 BOOT MOLDED
相关代理商/技术参数
参数描述
IR3093MTR 制造商:IRF 制造商全称:International Rectifier 功能描述:3 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC
IR3093MTRPBF 功能描述:IC CTLR 3PHASE VR10 48-MLQP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器,监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(5x5) 包装:带卷 (TR)
IR3094MPBF 功能描述:IC REG CTRLR BUCK PWM VM 48MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR)
IR3094MTRPBF 功能描述:开关变换器、稳压器与控制器 XPHASE VRD10 CTRL IC CTRL IC 200 to 700mV RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
IR3094PBF 制造商:IRF 制造商全称:International Rectifier 功能描述:3 PHASE PWM CONTROLLER FOR POINT OF LOAD