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參數(shù)資料
| 型號(hào)： | ZXCT1081E5TA |
| 廠商： | Diodes Inc |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 285K |
| 描述： | IC CURRENT MONITOR 3% SOT23-5 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 功能： | 電流監(jiān)控器 |
| 檢測方法： | 高端 |
| 精確度： | ±3% |
| 輸入電壓： | 3 V ~ 40 V |
| 電流 - 輸出： | 1mA |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SC-74A，SOT-753 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-5 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1478 (CN2011-ZH PDF) |
| 其它名稱： | ZXCT1081E5DKR |
ZXCT1081
ZXCT1081
Document number: DS32102 Rev. 1 - 2
8 of 11
www.diodes.com
March 2010
?Diodes Incorporated
Product Line of
Diodes Incorporated
Application Information
The ZXCT1081 has been designed to allow it to operate with 5V supply rails while sensing common mode signals up to
40V. This makes it well suited to a wide range of industrial and power supply monitoring applications that require the
interface to 5V systems while sensing much higher voltages.
To allow this its VCC pin can be used independently of SENSE+.
Figure 1 shows the basic configuration of the ZXCT1081.
ZXCT1081
OUT
GND
V
CC
R
SH
R
G
M1
R
SENSE
Input
Load
SENSE
+
SENSE
-
+1
A2
A1
Figure 1 Typical Configuration of ZXCT1081
Load current from the input is drawn through R
SENSE
developing a voltage V
SENSE
across the inputs of the ZXCT1081.
The internal amplifier forces V
SENSE
across internal resistance R
SH
causing a current to flow through MOSFET M1. This
current is then converted to a voltage by R
G
. A ratio of 10:1 between R
G
and R
SH
creates the fixed gain of 10. The output is
then buffered by the unity gain buffer.
The gain equation of the ZXCT1081 is:
V
OUT
= I
L
R
SENSE
x 1 = x R
SENSE
x 10
The maximum recommended differential input voltage, V
SENSE
, is 150mV; it will however withstand voltages up to 800m&.
This can be increased further by the inclusion of a resistor, R
LIM
, between SENSE- pin and the load; typical value is of the
order of 10k .
R
G
R
SH
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZXCT1081E5TA-CUT TAPE | 制造商:DIODES 功能描述:ZXCT1080 Series 500 kHz 80 uA 4.5 to 12 V High-Side Current Monitor - SOT-23-5 |
| ZXCT1082 | 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:PRECISION HIGH VOLTAGE HIGH-SIDE CURRENT MONITORS |
| ZXCT1082E5TA | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 2.7V TO 60V 0.6uA EXT GAIN RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| ZXCT1083 | 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:PRECISION HIGH VOLTAGE HIGH-SIDE CURRENT MONITORS |
| ZXCT1083E5TA | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 HI-SIDE CURR MONITOR 1MA 2.7-60 1.23 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
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