参数资料
型号: IR3080MTR
厂商: International Rectifier
文件页数: 12/41页
文件大小: 0K
描述: IC PHASE CONTROLLER 32L MLPQ
标准包装: 3,000
系列: XPhase™
应用: 处理器
电流 - 电源: 11mA
电源电压: 9.5 V ~ 14 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: 带卷 (TR)

IR3080
IR3080 THEORY OF OPERATION
Block Diagram
The Block diagram of the IR3080 is shown in Figure 6, and specific features are discussed in the following sections.
VCC
9.1V
8.9V
+
-
-
START
STOP
+
VCC UVLO
COMPARATOR
VID DELAY
COMPARATOR
FAULT
LATCH
S
VIDPGD
PWRGD
DISCHARGE
VIDDEL
+
-
+
COMPARATOR
R
IVTTDEL
0.2V
ICHG
70uA
OFF
66uA
+
-
90mV
4V
-
-
+
DELAY
COMPARATOR
OVER
CURRENT
OVER-CURRENT
COMPARATOR
-
+
VDRP
AMP
VDRP
IIN
OCSET
SS/DEL
IDISCHG
6uA
ON
SS/DEL
DISCHARGE
1.3V
SOFTSTART
CLAMP
DISABLE
ERROR
AMP
EAOUT
FB
VIDPWR
IROSC
IROSC
VID5
VID0
VID1
VID2
VID3
IROSC
IROSC
IROSC
IROSC
VID
CONTROL
VID = 11111X
VID STEP-DOWN
VID DAC OUTPUT
+
1.2V
-
VCCVID
REGULATOR
VCCVID
VIDFB
VDAC
VID4
IROSC
-
IROSC
IROSC
VCCVID
BBFB
VOSNS-
IROSC
1.1V
+
COMPARATOR
LGND
VBIAS
+
RMPOUT
ROSC
50%
DUTY
CYCLE
RAMP GENERATOR
5.0V
1.0V
VBIAS
IROSC
CURRENT
SOURCE
GENERATOR
VBIAS
REGULATOR
ROSC
BUFFER
AMP
-
6.85V
IOCSET
IROSC
VOLTAGE
PROPORTIONAL
TO ABSOLUTE
TEMPERATURE
IROSC
+
-
IFB
+
START
STOP
-
VRHOT
COMPARATOR
VRHOT
HOTSET
Figure 6. IR3080 Block Diagram
VID Control
A 6-bit VID voltage compatible with VR 10, as shown in Table 1, is available at the VDAC pin. A detailed block
diagram of the VID control circuitry can be found in Figure 7. The VID pins are internally pulled up to VIDPWR pin
through 700 ? resistors. The VID input comparators, with 0.6V 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
amplifier is the VDAC pin. The VDAC voltage is post-package trimmed to compensate for the input offsets of the
Error Amplifier to provide a 0.5% system set-point accuracy. The actual VDAC voltage does not determine the
system accuracy and has a wider tolerance.
Page 12 of 41
9 /30/04
相关PDF资料
PDF描述
M2MXH-2618J IDC CABLE - MDM26H/MC26G/X
AT73C224-A IC PWR MGMT ANALOG PMAAC 32QFN
GSC10DRYH CONN EDGECARD 20POS DIP .100 SLD
VLCF4028T-330MR61-2 INDUCTOR POWER 33UH .61A SMD
HBM22DRUN CONN EDGECARD 44POS .156 DIP SLD
相关代理商/技术参数
参数描述
IR3080MTRPBF 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
IR3080PBF 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT
IR3081 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE VR 10.0 CONTROL IC
IR3081A 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM VR 10 CONTROL IC
IR3081AM 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASETM VR 10 CONTROL IC