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參數資料
| 型號： | ZXCT1011E5TA |
| 廠商： | Diodes Inc |
| 文件頁數： | 5/8頁 |
| 文件大小： | 289K |
| 描述： | IC CURRENT MONITOR 1% SOT23-5 |
| 標準包裝： | 1 |
| 功能： | 電流監控器 |
| 檢測方法： | 高端 |
| 精確度： | ±1% |
| 輸入電壓： | 2.5 V ~ 20 V |
| 電流 - 輸出： | 5mA |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SC-74A，SOT-753 |
| 供應商設備封裝： | SOT-23-5 |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 1478 (CN2011-ZH PDF) |
| 其它名稱： | ZXCT1011E5DKR |
ZXCT1011
Issue 1- July 2005
5
www.zetex.com
?Zetex Semiconductors plc 2005
Pin description
Application information
Design example
The following lines describe how to scale a load current to an output voltage.
V
sense
= (V
sense+
) - (V
sense-
) = I
load
x R
sense
Defining then
I
out
= Iq + V
sense
x g
m
since
g
m
= 1.2 / R
shunt
I
out
= Iq + [ (V
sense
x 1.2) / R
shunt
]
= Iq + [ (1.2 x I
load
x R
sense
/ R
shunt
) ]
Note: Iq is embedded into the specification of the ZXCT1011 and therefore appears an offset error.
4 V
out
= (R
out
x I
offset
) + [(1.2 x R
out
x I
load
x R
sense
) / R
shunt
]
The output current of the ZXCT1011 is directly related to the size of the trimming resistor used. It
is important to ensure the tolerance of R
shunt
is considered. A 1% change in R
shunt
will cause a
1% change in output.
Consider the following: -
Pin no. Pin name
Pin function
1
N/C
No connection
2
I
out
Output current - follows transconductance of sense voltage g
m
= 10mA/V
for R
shunt
=120
3
R
shunt
Trimming resistor Input. - used to trim gain value 60 R
shunt
240
4
V
sense-
Low side current sense input. connect to load/battery etc. Must be
lower than V
sense+
for correct operation. Cannot be grounded
without additional series resistor.
5
V
sense+
High side current sense input. Connect to supply rail. Must be
higher than V
sense+
for correct operation.
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相關代理商/技術參數 |
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| ZXCT1012 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:Reduced height micro-power current monitor |
| ZXCT1012DAATA | 功能描述:IC CURRENT MONITOR 2.5% 5TDFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩流/電流管理 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 功能:電流開關 檢測方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應商設備封裝:10-UTQFN（1.4x1.8） 包裝:管件 |
| ZXCT1012DAATC | 功能描述:電流和電力監控器、調節器 Hi-Side Micro Power RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| ZXCT1012ET5TA | 功能描述:電流和電力監控器、調節器 Hi-Side Micro Power RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| ZXCT1020 | 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:Low offset current output current monitor |
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