參數(shù)資料
型號(hào): LTC2913HMS-2#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 10/12頁
文件大?。?/td> 187K
代理商: LTC2913HMS-2#TR
LTC2913
7
2913fb
APPLICATIONS INFORMATION
Voltage Monitoring
The LTC2913 is a low power dual voltage monitoring
circuit with two undervoltage and two overvoltage inputs.
A timeout period that holds OV and UV asserted after all
faults have cleared is adjustable using an external capacitor
and is externally disabled.
Each voltage monitor has two inputs (VHn and VLn) for
detecting undervoltage and overvoltage conditions. When
congured to monitor a positive voltage Vn using the
3-resistor circuit conguration shown in Figure 1, VHn
is connected to the high side tap of the resistive divider
and VLn is connected to the low side tap of the resistive
divider.
3-Step Design Procedure
The following 3-step design procedure determines ap-
propriate resistances to obtain the desired UV and OV trip
points for the voltage monitor circuit in Figure 1.
For supply monitoring, Vn is the desired nominal operat-
ing voltage, In is the desired nominal current through the
resistive divider, VOV is the desired overvoltage trip point
and VUV is the desired undervoltage trip point.
1. Choose RA to obtain the desired OV trip point
RA is chosen to set the desired trip point for the
overvoltage monitor.
RA =
0.5V
I
相關(guān)PDF資料
PDF描述
LTC2913CDD-1#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
LTC2913CDD-2#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
LTC2913HMS-2 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
LTC2913IDD-2#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
LTC2913IMS-1#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
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