參數(shù)資料
型號： ZXCT1022E5TA
廠商： ZETEX PLC
元件分類： 電源管理
英文描述： LOW OFFSET HIGH-SIDE CURRENT MONITOR
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
封裝： SOT-23, 5 PIN
文件頁數(shù)： 5/6頁
文件大?。?/td> 100K
代理商： ZXCT1022E5TA
Application information
The ZXCT1022has a fixed dc voltage gain of100.No external scaling resistors are required forthe output. Output
voltage is simply defined as:
Where V
sense
= V
in
- V
Load
PCB trace shunt resistor for low cost solution
The figure below shows a PCB layout suggestion for a low cost solution where a PCB resistive trace in
replacement for a conventional shunt resistor, can be used. The resistor section is 25mm x 0.25mm giving
approximately 150m
using 1 oz copper. Smaller resistances can be used if required.
Total circuit solution: 1 component.
Shows area of 150m
sense resistor
compared to SOT23 package.
Practical tolerance of the PCB resistor will be around 5% depending on
manufacturing methods.
ZXCT1022
S E M IC O N D U C T O R S
PROVISIONAL ISSUE J - APRIL 2004
5
V
out
= 100 x V
sense
(V)
GND
Load
Top view
PINOUT
PIN NAME
PIN FUNCTION
N/C
Not internally connected
GND
Ground
V
out
Voltage output referenced to GND. Intended to
drive high impedance loads
Load
High impedance negative sense voltage input
V
in
Supply and positive sense voltage input
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