參數(shù)資料
型號: TC32MCDBTR
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO4
封裝: SOT-223, 3 PIN
文件頁數(shù): 7/12頁
文件大?。?/td> 242K
代理商: TC32MCDBTR
TC32M
DS21402C-page 4
2006 Microchip Technology Inc.
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Pin No.
(SOT-223, TO-92)
Symbol
Description
1
GND
Ground.
2VDD
The +5V power supply input.
3
RS
Reset/Strobe (Bidirectional). The open drain goes active if:
VDD falls below 4.5V nominal.
If pulled low by an external electronic signal or switch closure.
If the Watchdog is not strobed within the minimum Watchdog Time-out period.
During power-up and power-down.
In the Input mode, RS connects to a voltage level shift network (typically a resistor
divider to VDD.) The Watchdog Timer is reset when processor causes a voltage
level
≤ VSTL to be applied to RS.
4VDD
The +5V power supply input (SOT-223 only).
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