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U2400B 데이터 시트보기 (PDF) - Temic Semiconductors
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U2400B
Charging of Batteries with Automatic Pre-Discharge
Temic Semiconductors
U2400B Datasheet PDF : 15 Pages
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U2400B
Parameters
Test Conditions / Pins Symbol Min.
Typ.
Max.
Unit
Oscillator
Pin 3
Oscillator frequency
C
2
= C
osc
= 15 nF
R
1
= R
osc
= 430 k
Ω
f
osc
200
Hz
Low saw-tooth threshold
V
T3min
1.0
V
Upper saw-tooth threshold
V
T3max
2.0
V
Comparators
Discharge stop
Overvoltage
Pin 6
Pin 4
V
T6
V
T4max
525
±
5%
525
±
5%
mV
Hysteresis
Battery contact monitoring
Sensor temperature
voltage
Pin 4
V
hyst
15
mV
Pin 4 V
T4min
140
200
mV
Pin 5 V
T5min
525
±
5%
mV
Hysteresis
Open wire voltage
PWM-Comparator input
voltage range
Pin 5
V
hyst
15
mV
Pin 5 V
T5max
V
7
–0.25
V
7
–0.02
V
Pin 2
V
2
0.9
3.0
V
PWM-Comparator-
Hysteresis
Pin 2 V
2 hyst
18
40
mV
Charge time
f = 50 Hz (mains) or
200 Hz (oscillator)
Pin 13 = open
t
Pin 13 = ground
Pin 13 = +3 V
30
min
1
h
12
h
Status output
Output current
Saturation voltage
Pin 9
±
I
0
8
Pin 9–11
V
sat
Pin 9–7
–V
sat
15
mA
0.5
V
0.5
10 (15)
TELEFUNKEN Semiconductors
Rev. A1, 21-Nov-96
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