參數(shù)資料
型號(hào): MC33164-3DMT
元件分類(lèi): 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: PLASTIC, SOIC-8
文件頁(yè)數(shù): 9/9頁(yè)
文件大?。?/td> 126K
代理商: MC33164-3DMT
3V U
NDERV OLTAGE
S
ENSING
C
IR CUIT
MC33164-3/ MC34164-3
PRODUCT DATABOOK 1 9 9 6 / 1 9 9 7
9
Copyright 1999
Rev. 1.2 6/99
P
R O D U C T I O N
D
A T A
S
H E E T
T Y P I C A L A P P L I C A T I O N C I R C U I T S
FIGURE 16.
— LOW VOLTAGE MICROPROCESSOR RESET
1.2V
REF
Power
Supply
RESET
V
IN
1.0k
FIGURE 18.
— VOLTAGE MONITOR
FIGURE 17.
— SWITCHING THE LOAD OFF WHEN
BATTERY REACHES BELOW 2.7V
A time delayed reset can be accomplished with the addition of C
.
For systems with extremely fast power supply rise times (< 500ns) it
is recommended that the RC
time constant be greater than 5.0μs.
V
TH(MPU)
is the microprocessor reset input threshold.
V
TH(MPU)
IN
1 -
t
DLY
= R C
DLY
In
1
1.2 V
REF
V
IN
RESET
Microprocessor
Circuit
C
DLY
Power
Supply
R
Load
1.2V
REF
RESET
V
IN
LED turns on when V
IN
< 2.7V indicating Power Supply is low.
RESET
V
IN
SOLAR
CELLS
1.2V
REF
FIGURE 20.
— SOLAR POWERED BATTERY CHARGER
PRODUCTION DATA - Information contained in this document is proprietary to LinFinity, and is current as of publication date. This document
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