U880B
Double Flasher
Description
The bipolar circuit, U880B, is designed as a double flasher for wide range of applications. It has polarity and short-cir-
cuit protected stages for timely coupled outputs.
Features
D
Integrated oscillator
D
f
nominal
= 3.3 Hz
D
Supply voltage range: 4.75 to 20.4 V
D
Polarity protected
D
Two protected power stages
D
Output current, 55 mA nominal
Case:
TO 50
+V
S
Applications
D
Toys
D
Roboter
D
LED switching
4
Oscillator
T frequency
R divider
3
Q
2
Supply
Limitation
V – On
R
R
Output
logic
1
Temperature
protection
Q
1
2
95 9962
–V
S
Figure 1. Block diagram with application
Pin Description
Pin
Pin 1
Pin 3
Symbol
O
1
O
2
Function
Output O
1
Output O
2
Pin
Pin 2
Pin 4
Symbol
–V
S
V
S
Function
Supply, GND
Supply
TELEFUNKEN Semiconductors
Rev. A1, 22-Apr-96
1 (4)
TEMIC [ TEMIC SEMICONDUCTORS ]
