U6083B_05 ATMEL [ATMEL Corporation], U6083B_05 Datasheet
U6083B_05
Related parts for U6083B_05
U6083B_05 Summary of contents
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Features • Pulse-width Modulation kHz Clock Frequency • Protection Against Short-circuit, Load Dump Overvoltage and Reverse V • Duty Cycle 18% to 100% Continuously • Internally Reduced Pulse Slope of Lamp’s Voltage • Interference and Damage Protection ...
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Figure 1-1. Block Diagram with External Circuit Duty cycle 18 to 100% U6083B Current monitoring + short circuit detection RC oscillator PWM Logic Control input Duty cycle ...
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Pin Configuration Figure 2-1. Pinning DIP8 Table 2-1. Pin Description Pin Symbol Function 1 VS Supply voltage V 2 GND IC ground 3 VI Control input (duty cycle) 4 OSC Oscillator 5 DELAY Short-circuit protection delay 6 SENSE Current ...
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Functional Description 3.1 Pin 1, Supply Voltage, V 3.1.1 Overvoltage Detection 3.1.1.1 Stage 1 If overvoltages of V switched on again at V 3.1.1.2 Stage Batt gate of the external transistor remains at the potential of ...
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Pin 4, Oscillator The oscillator determines the frequency of the output voltage. This is defined by an external capacitor, C reached. A second current source is then activated which taps a double current, 2 charging current. The capacitor, C ...
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... = selecting different values of C from 10 to 2000 Hz as shown in the data sheet. 3.5 Output Slope Control ...
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Interference Suppression • “On-board” radio reception according to VDE 0879 part 3/4.81 • Test conditions referring to • Application circuit according to • Load: nine 4W lamps in parallel • Duty cycle = 18% • V Batt • f ...
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Current Limitation The lamp current is limited by a control amplifier to protect the external power transistor. The voltage drop across the external shunt resistor acts as the measured variable. Current limitation takes place for a voltage drop of ...
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Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated ...
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Electrical Characteristics (Continued –40°C to +110° 16.5V, (basic function is guaranteed between 6.0V to 9.0V) reference point ground, unless amb Batt otherwise specified (see Figure 1-1 on page Parameters Test Conditions Voltage Doubler ...
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Application Figure 7-1. Application Circuit 4770B–AUTO–09/05 U6083B 11 ...
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Ordering Information Extended Type Number U6083B-MY 9. Package Information U6083B 12 Package Remarks DIP8 Pb-free ...
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Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 ...