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MIC38HC42 Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MIC38HC42 Datasheet(HTML) 4 Page - Micrel Semiconductor |
4 / 8 page MIC38HC42/3/4/5 Micrel, Inc. M9999-042205 4 April 2005 Electrical Characteristics V DD = 15V, Note 4; RT = 9.09kΩ; CT = 3.3nF; –40°C ≤ TA ≤ 85°C; unless noted Parameter Test Conditions Min Typ Max Units Reference Section Output Voltage T A = 25°C, IO = 1mA 4.90 5.00 5.10 V Line Regulation 12V ≤ VDD ≤ 18V, IO = 5µA, Note 6 220 mV Load Regulation 1 ≤ IO ≤ 20mA 1 25 mV Temp. Stability Note 1 0.2 mV/°C Total Output Variation Line, Load, Temp., Note 1 4.82 5.18 V Output Noise Voltage 10Hz ≤ f ≤ 10kHz, TA = 25°C, Note 1 50 µV Long Term Stability T A = 125°C, 1000 hrs., Note 1 525 mV Output Short Circuit –30 –80 –180 mA Oscillator Section Initial Accuracy T A = 25°C, Note 5 49 52 55 kHz Voltage Stability 12 ≤ VDD ≤ 18V, Note 6 0.2 1.0 % Temp. Stability T MIN ≤ TA ≤ TMAX, Note 1 0.04 %/°C Clock Ramp T A = 25°C, VRT/CT = 2V 7.7 8.4 9.0 mA Reset Current T A = TMIN to TMAX 7.2 8.4 9.5 mA Amplitude V RT/CT peak to peak 1.9 Vp-p Error Amp Section Input Voltage V COMP = 2.5V 2.42 2.50 2.58 V Input Bias Current V FB = 5.0V –0.1 –2 µA A VOL 2 ≤ VO ≤ 4V 65 90 dB Unity Gain Bandwidth Note 1 0.7 1.0 MHz PSRR 12 ≤ VDD ≤ 18V 60 dB Output Sink Current V FB = 2.7V, VCOMP = 1.1V 2 14 mA Output Source Current V FB = 2.3V, VCOMP = 5V –0.5 –1 mA V OUT High V FB = 2.3V, RL = 15k to ground 5 6.8 V V OUT Low V FB = 2.7V, RL = 15k to VREF 0.1 1.1 V Absolute Maximum Ratings Zener Current (V DD) ................................................... 30mA Operation at ≥18V may require special precautions (Note 6). Supply Voltage (V DD), Note 6 ....................................... 20V Switch Supply Voltage (V D) .......................................... 20V Current Sense Voltage (V ISNS) ..................... –0.3V to 5.5V Feedback Voltage (V FB) ................................ –0.3V to 5.5V Output Current, 38HC42/3/4/5 (I OUT) .............................. 1A Operating Junction Temperature (T J) ....................... 150°C Package Thermal Resistance 8-Pin Plastic DIP (θJA) .......................................125°C/W 8-Pin MM8™ (θJA) .............................................250°C/W 8-Pin SOIC (θJA) ...............................................170°C/W 14-Pin Plastic DIP (θJA) .......................................90°C/W 14-Pin SOIC (θJA) .............................................145°C/W Storage Temperature (T A) ....................... –65°C to +150°C |
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