DESCRIPTION
FEATURES
D Pulse width modulation up to 2 kHz clock frequency D Protection against short circuit, load dump overvoltage and reverse VS D Interference and damage protection according to VDE 0839 and ISO/TR 7637/1. D Duty cycle 0 to 100% D Output stage for power MOSFET D Ground wire breakage protection D Charge pump noise suppressed Ordering Information Extended Type Number U6081B Package DIP8 Remarks Block Diagram VS 1 5 Current monitoring + short circuit detection Charge pump 6 C5 Rsh VBatt C1 47 kW 4 RC oscillator PWM Logic Control input 7 C3 47 nF 8 Output C2 3 Duty cycle range 0/13 to 100 % 2 Voltage monitoring 95 9752 150 W R3 Ground Figure 1. Block diagram with external circuit TELEFUNKEN Semiconductors Rev. A1, 14-Feb-97 1 (8) U6081B 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 voltage VS IC ground Control input (duty cycle) Oscillator Short circuit protec...
TEMIC Semiconductors
