DESCRIPTION
FEATURES
D Pulse-width modulation up to 2 kHz clock frequency D Protection against short circuit, load dump over–voltage and reverse VS D Interference and damage protection according to VDE 0839 and ISO/TR 7637/1. D Duty cycle 18 to 100% continuously D Internally reduced pulse slope of lamp’s voltage D Charge pump noise suppressed D Ground wire breakage protection Ordering Information Extended Type Number U6083B Package DIP8 Remarks Block Diagram VS 1 5 Current monitoring + short circuit detection 6 C5 Rsh VBatt C1 47 kW C2 4 RC oscillator PWM Logic Control input Charge pump 7 C3 47 nF 8 3 Output Duty cycle range 18 ... 100% Duty cycle reduction GND 2 Voltage monitoring Slew rate control 95 9753 150 W R3 Ground Figure 1. Block diagram with external circuit TELEFUNKEN Semiconductors Rev. A1, 14-Feb-97 1 (8) U6083B Pin DESCRIPTION
VS GND VI Osc 1 2 3 4 95 9944 8 7 6 5 Output 2 VS Sense Delay Pin 1 2 3 4 5 6 7 8 Symbol VS GND VI Osc Delay Sense 2 VS Output Function Supply volt...
TEMIC Semiconductors
