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参数资料
| 型号： | IR3725MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 8/19页 |
| 文件大小： | 0K |
| 描述： | IC PWR MONITOR INPUT 12-DFN |
| 标准包装： | 1 |
| 系列： | TruePower™ |
| 应用： | 电源监控器 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 电流 - 电源： | 700µA |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-VFDFN 裸露焊盘 |
| 供应商设备封装： | 12-DFN（4x3） |
| 包装： | 标准包装 |
| 其它名称： | IR3725MTRPBFDKR |
IR3725
Data Sheet
FUNCTIONAL DESCRIPTION
Please refer to the Functional Description Diagram
below. Power flow through the inductor is the product
of output voltage VO times the inductor current I L . An
average voltage V DCR will be developed across the
inductor as a result of current flow I L . This voltage will
result in a net current flow imbalance into the VCS
pins that is equal to V DCR / (Rcs1 + Rcs2). A voltage
nulling circuit inside the IC sinks enough current to
equalize the voltages of Vcs1 and Vcs2. The current
required to balance the voltages of these two nodes
is reported as a fraction of the current V IG / R T using
256 as the denominator. Current will be reported as
an integer number of counts in two’s compliment
direction of the current flow arrow in the diagram
below.
The voltage is reported as a positive integer number
of counts equal to (voltage * 256) / V FS . V FS is defined
in the ELECTRICAL SPECIFICATIONS.
Power is reported as an integer number of counts in
two’s compliment binary format with a range of -256
to 256. Positive values will be reported when current
flow is in the direction of the current flow arrow in the
diagram below. Power expressed in counts will be
(power * 256) / (I FS * V FS ) where I FS equals V IG *(Rcs1
+ Rcs2) / (R T *DCR). The full scale power P FS is the
product of full-scale voltage and full scale current.
binary format with a range of -256 to 256. Positive
values will be reported when current flow is in the
I L
12V in
R CS1A
L
DCR
R CS1B
R CS2A
VCS1
C CS1
C CS2
R CS2B
VCS2
R T
R s
VDD
VT
IR3725
VO
SDA
SCL
ALERT#
ADDR
EXTCLK
R p
R th
GND
Figure 1 Functional Description Diagram
Page 8 of 19
www.irf.com
2013_12_09
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相关代理商/技术参数 |
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|---|---|
| IR3741 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| IR3741N | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| IR3800AMPBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:SupIRBuckTM |
| IR3800AMTR1PBF | 功能描述:直流/直流开关调节器 9999V 999.000A Supir 999.000A Supirbuck RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| IR3800AMTRPBF | 功能描述:直流/直流开关调节器 14A SupIRBuck Reg 300kHz, 2.5-21V in RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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