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U2480B Datasheet, PDF (5/8 Pages) TEMIC Semiconductors – Automotive Lamp Outage Monitor
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U2480B
Parameters
Storage temperature range
Junction temperature
Thermal Resistance
Symbol
Value
Unit
Tstg
–55 to +125
°C
Tj
150
°C
Thermal resistance
Parameters
SDIP 28
Symbol
RthJA
Value
75
Unit
K/W
Electrical Characteristics
VBatt (Kl. 15) = 10 to 15 V, Tamb = –40 to +95_C, supply series resistors and input protection resistors connected (see
figure 1 “Block diagram” and figure 3 “Basic application schematic”) unless otherwise specified.
Parameters
Test Conditions / Pins Symbol Min.
Typ.
Max.
Unit
Supply
Supply current
Power on reset (POR)
Comparators
VBatt = 12 V, Vout = low
IS
VS
3.5
6
mA
5.2
V
Comparator input current VBatt = 12 V Pin 2
IK2
during switch over
Pin 4
IK4
Pin 6
IK8
Pins 15, 16 IK11,IK12
Pins 19, 21 IK31,IK32
25
mA
Pins 22, 24 IK71,IK72
Pin 26
IK5
Pin 28
IK6
Comparator output current VBatt = 12 V Pin 1
IO6
Pin 3
IO2
Pin 5
IO4
Pin 7
IO8
Pin 15
IO1
–10
mA
Pin 20
IO3
Pin 23
IO7
Pin 27
IO5
Comparator thresholds
Vthx = VREFKx – VExKx
VBatt = 12 V
Vthx
5.0
10.0
15.0
mV
x = Pin–No.
VBatt = 15 V
Vthx
6.3
11.4
16.5
mV
Minimum comparator input
VminRef
0.33 VS
V
voltage
Output Vout
Output current
Output saturation voltage
VS = 12 V
Vsat = VS – Vout
Iout = –10 mA
Pin 14
I14
Vsat
–10.0
mA
1.5
V
Protection
Voltage of Zener diodes
all REFKx and ExKx. pins
VZ1
22
V
Pin VS
VZ2,
23
V
Pin BL
VZBL
25
V
Pin Vstab and OSC
VZ3
7
V
Oscillator
Oscillator frequency
W Rosc = 82 k ,
Pin 8
Cosc = 10 nF,
fosc
1.67
kHz
TELEFUNKEN Semiconductors
5 (8)
Rev. A1, 22-Oct-97
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