U2642B データシートの表示（PDF） - Atmel Corporation
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U2642B Datasheet PDF : 10 Pages
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U2642B
Absolute Maximum Ratings
With recommended external circuitry
Parameter
Test Conditions
Symbol
Value
Unit
Supply voltage (static)
5 min
VBatt
24
V
Supply current pulse
2 ms
IS
1.5
A
Supply current pulse
300 ms
IS
150
mA
Relay output current (static)
IREL
300
mA
Relay output current pulse
Ambient temperature range
Storage temperature range
300 ms
IREL
1.5
A
Tamb
–40 to +95
°C
Tstg
–55 to +125
°C
Power dissipation
DIP8
Ptot
0.45
W
Power dissipation
SO8
Ptot
0.34
W
Thermal Resistance
Junction ambient
Junction ambient
Parameters
DIP8
SO8
Symbol
RthJA
RthJA
Value
120
160
Unit
K/W
K/W
Electrical Characteristics
Reference point Ground GND, Tamb = 25_C, VBatt = 13.5 V, unless otherwise specified (see figures 11 and 12)
Parameters
Test Conditions / Pin Symbol Min
Typ
Max
Unit
Voltage supply
Supply voltage
Supply current
Undervoltage threshold
(POR)
Internal Z-diode
Internal capacitor
Series resistance
Filter capacitor
Oscillator input OSC
Internal discharge resistor
Lower switching-point
voltage
Upper switching-point
voltage
Input current
Oscillator frequency
VOSC = 0 V
Pin 7
Pin 8
VBatt
6.0
IS
0.5
VS
3.0
16.0
V
2.0
3.0
mA
5.1
V
VZ
13.5
14.0
16.2
V
CS
15
pF
RV
510
W
CV
47
mF
RDIS
1.3
2.0
3.2
kW
VOSC 0.16 VS 0.20 VS 0.24 VS V
VOSC 0.55 VS 0.60 VS 0.65 VS V
–IOSC
fOSC
1
2
mA
200
50 k
Hz
Note: All internally generated time sequences are derived from the oscillator frquency. The tolerances refer to a
frequency adjusted to fOSC = 200 Hz.
4 (10)
Rev. A4, 05-Apr-01
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