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MIC3832BN Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MIC3832BN Datasheet(HTML) 4 Page - Micrel Semiconductor |
4 / 10 page MIC3832/3833 Micrel 4-138 April 1998 Parameter Conditions Min Typical Max Units Current Limit/Shutdown Section Bias Current –0.02 µA Current Limit Threshold 0.9 1.0 1.1 V Shutdown Threshold 1.125 1.25 1.375 V Delay to Output 400 600 ns Front Edge Blanking Time 140 ns PWM Comparator Section Bias Current measured at CMR (pin 12) –2 –0.05 2 µA Duty Cycle Range C = 2.2nF 0 85 % Delay to Output 300 500 ns Output Sections Output Low Level I SINK = 20mA 0.1 0.4 V I SINK = 200mA 1.5 2.5 V Output High Level I SOURCE = 20mA 12.5 V I SOURCE = 200mA 12 13.1 V Rise Time C L = 1000pF 50 150 ns Fall Time C L = 1000pF 50 150 ns UVLO Saturation I SINK = 1mA 0.7 1.1 V Q to Q Overlap Q rising, Q falling, 50% 50 ns Q to Q Overlap Q rising, Q falling, 50% 50 ns Undervoltage Lockout Section Upper Threshold—Startup MIC3832 15.9 V MIC3833 8.3 V Lower Threshold—Operating MIC3832 9.8 V (Shutdown) MIC3833 7.8 V Total Standby Current Startup Current 0.04 0.2 mA Operating Supply 17 mA V CC Zener Voltage I CC = 25mA 22 V Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device beyond its specified Operating Ratings. Note 2 Minimum and maximum Electrical Characteristics are 100% tested at T A = 25°C and TA = 85°C, and 100% guaranteed over the entire range. Typicals are characterized at 25 °C and represent the most likely parametric norm. Note 3 All pins ESD protected to 2kV. Test conditions: Supply pin grounded; all other pins floating. |
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