参数资料
| 型号： | IR3082MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 11/33页 |
| 文件大小： | 0K |
| 描述： | IC CTLR XPHASE 20-MLPQ |
| 标准包装： | 3,000 |
| 系列： | XPhase™ |
| 应用： | 处理器 |
| 电流 - 电源： | 10mA |
| 电源电压： | 9.6 V ~ 16 V |
| 工作温度： | 0°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-MLPQ |
| 供应商设备封装： | 20-MLPQ（5x5） |
| 包装： | 带卷 (TR) |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页当前第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页
IR3082P b F
IR3082P b F THEORY OF OPERATION
Block Diagram
The Block diagram of the IR3082PbF is shown in figure 7 and discussed in the following sections.
VCC
ENABLE
+
9.75V
9.0V
-
-
+
-
+
VCC UVLO
COMPARATOR
ENABLE
COMPARATOR
0.225V
70mV
115mV
-
DISCHARGE
COMPARATOR
DELAY
COMPARATOR
FAULT
LATCH
S
R
-
+
VDRP
PWRGD
VDRP
+
-
1.270V
1.205V
IHICCUP
+
-
VCHG
3.9V
ON
+
OC
DISCHG
CURRENT
40uA
ON
SS/DEL
DISCHARGE
700ns
BLANKING
OC
COMPARATOR
AMP
DISABLE
IIN
OCSET
IDISCHG
6uA
ICHG
OFF
1.3V
EAOUT
66uA
ERROR
SS/DEL
SOFTSTART
AMP
FB
CLAMP
+
VID4
VID3
VID2
VID1
VID0
VID INPUT
COMPARATORS
(1 OF 5
SHOWN)
DIGITAL TO
ANALOG
CONVERTER
"FAST"
+
IOCSET IROSC
IFB
IROSC
LGND
VOSNS-
+
-
1.24V
-
VDAC
-
ISOURCE
ISINK
VDAC
BUFFER
VDAC
AMP
RMPOUT
50%
DUTY
CYCLE
RAMP GENERATOR
5.0V
IROSC
VBIAS
VBIAS
REGULATOR
+
VBIAS
ROSC
1.0V
-
7.0V
BUFFER
AMP
CURRENT
SOURCE
GENERATOR
ROSC
Figure 7 – IR3082PbF Block Diagram
VID Control
A 5-bit VID voltage compatible with AMD’s Opteron/Athlon64, as shown in Table 1, is available at the VDAC pin.
The VID pins require an external bias voltage and should not be floated. The VID input comparators, with 1.2V
reference, monitor the VID pins and control the 6 bit Digital-to-Analog Converter (DAC) whose output is sent to the
VDAC buffer amplifier. The output of the buffer amp is the VDAC pin. The VDAC voltage is trimmed to compensate
for the input offsets of the Error Amp to provide 1% system set-point accuracy and is pre-positioned 50mV higher
than Vout listed in Table1 for load positioning. The actual VDAC voltage does not determine the system accuracy
and has a wider tolerance.
The IR3082PbF can accept changes in the VID code while operating and vary the DAC voltage accordingly. The
sink/source capability of the VDAC buffer amp is programmed by the same external resistor that sets the oscillator
frequency. The slew rate of the voltage at the VDAC pin can be adjusted by an external capacitor between VDAC
pin and the VOSNS- pin. A resistor connected in series with this capacitor is required to compensate the VDAC
buffer amplifier. Digital VID transitions result in a smooth analog transition of the VDAC voltage and converter
output voltage minimizing inrush currents in the input and output capacitors and overshoot of the output voltage.
Page 11 of 33
01/31/05
相关PDF资料 |
PDF描述 |
|---|---|
| IR3084AMPBF | IC XPHASE CONTROL 28-MLPQ |
| IR3084MTRPBF | IC CTLR XPHASE 28-MLPQ |
| IR3084UMPBF | IC XPHASE CONTROL 28-MLPQ |
| IR3086AMPBF | IC PHASE CONTROLLER OVP 20MLPQ |
| IR3086MPBF | IC CONTROLLER PHASE 20MLPQ |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3083MPBF | 制造商:International Rectifier 功能描述:IC XPHASE CONTROL SMD 3083 |
| IR3084 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM VR 10/11 CONTROL IC |
| IR3084A | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE TM VR 10/11 CONTROL IC |
| IR3084AMPBF | 功能描述:IC XPHASE CONTROL 28-MLPQ 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 |
| IR3084AMTRPBF | 功能描述:开关变换器、稳压器与控制器 VR10 VR11 Athlon64 XPHASE CTRL IC 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 |
发布紧急采购，3分钟左右您将得到回复。