U243, U243B, U243BAFP Selling Leads, Datasheet
MFG:SILICONI Package Cooled:HAR D/C:09+
U243, U243B, U243BAFP Datasheet download
Part Number: U243
MFG: SILICONI
Package Cooled: HAR
D/C: 09+
U243, U243B, U243BAFP
- Table of contents:
Info of U243
Info of U243B
Info of U243BAFP
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About U243B
PDF/DataSheet Download
Datasheet: U243B
File Size: 90584 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
About U243B
PDF/DataSheet Download
Datasheet: U243B
File Size: 90584 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
About U2400B
PDF/DataSheet Download
Datasheet: U2400B
File Size: 906960 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
U243B Maximum Ratings
|
Parameters |
Symbol |
Value |
Unit |
| Supply voltage Pins 2 and 6 |
VS |
16.5 |
V |
| Surge forward current tp = 0.1 ms Pins 2 and 6 tp = 2 ms Pins 2 and 6 tp = 2 ms Pin 8 |
|||
|
IFSM |
1.5 |
A | |
|
IFSM |
1.0 |
A | |
|
IFSM |
50 |
mA | |
| Output current Pin 3 |
Io |
0.3 |
A |
| Power dissipation |
|||
| Tamb = 95°C DIP8 SO8 Tamb = 60°C DIP8 SO8 |
Ptot |
420 |
mW |
|
Ptot |
340 |
mW | |
|
Ptot |
690 |
mW | |
|
Ptot |
560 |
mW | |
| Junction temperature |
Tj |
150 |
°C |
| Ambient temperature |
Tamb |
40 to +95 |
°C |
| Storage temperature |
Tstg |
55 to +125 |
°C |
U243B Features
· Can be protected against damage or interference with a minimum of external circuitry
· Temperature- and voltage-compensated frequency
· Warning indication of lamp failure by means of frequency doubling
· Voltage dependence of the car indicator lamps also compensated for lamp failure
· Relay output with high-current carrying capacity and low saturation voltage
U243B Typical Application
Flashing generator, operation with smaller loads ( 2 W)
By adding a resistor to the application circuit (figure 1), defined operation with lamp loads . 2 W is possible. The
voltage drop across the resistor R4 is generated by the current flowing over the relay and should be about 15 mV. With a relay current of 150 mA (relay resistance 73 Q), this requires a resistance of R4 = 100 m. The change of the operating point by 15 mV results in a corresponding change of the control signal threshold by 15 mV. For a lamp current of 2.7 A, a measuring resistance of
81 mV 15 mV
R3 = -------------------- = 25 m results.
2.7 A
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