U2403B 데이터 시트보기 (PDF) - Temic Semiconductors
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U2403B Datasheet PDF : 12 Pages
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U2403B
4 (12)
start
no
Battery
inserted
Turn on VS > 3.5 V
V3 = 1.5 V
LED2 “ON”
Timer start
Test
mode
Open GND VS
Divider 226 217 28
yes
Tj > Tmax
no
V1 < 3.0 V
yes
no
[ V3 0 V
Interrupt charging
LED2 “OFF”
Interrupt
no
Tj < Tmax
yes
no
V1 > VS
yes
V3 = 0 V
Continuous charging
LED2 “ON”
Continuous timing
no
End of
timing
yes
LED2 “OFF”
LED1 “ON”
Trickle charge mode
V3 = 100 mV
Battery
no
removed
yes
Undervoltage reset
Figure 3. Flow chart
95 9624
TELEFUNKEN Semiconductors
Rev. A1, 20-Mar-96
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