MIC38HC42 Micrel Semiconductor, MIC38HC42 Datasheet
MIC38HC42
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MIC38HC42 Summary of contents
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... MIC38HC4x-1 (14-lead) versions only * MIC38HC4x (8-lead) versions only † MIC38HC42, MIC38HC43 (96% max. duty cycle) versions only MIC38HC44, MIC38HC45 (50% max. duty cycle) versions only ‡ Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com ...
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... MIC38HC45BM MIC38HC42-1BM MIC38HC43-1BM MIC38HC44-1BM MIC38HC45-1BM Selection Guide Duty Cycle 50% MIC38HC42/3/4/5 Temperature Range Package –40°C to +85°C 8-pin Plastic DIP –40°C to +85°C 8-pin Plastic DIP –40°C to +85°C 8-pin Plastic DIP –40°C to +85°C 8-pin Plastic DIP – ...
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... Analog Supply (Input): Controller circuitry supply input. Return to analog ground (AGND). NC Not internally connected. VREF 5V Reference (Output): Connect external RC network. 3 MIC38HC4x-1 COMP 1 14 VREF VDD ISNS 5 10 OUT AGND RT/ PGND 14-Pin DIP (-1BN) 14-Lead SOIC (-1BM) MIC38HC42/3/4/5 Micrel ...
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... Output Source Current High V OUT FB V Low V OUT FB MIC38HC42/3/4/5 Operating Junction Temperature (T Package Thermal Resistance 8-Pin Plastic DIP (θ 8-Pin MM8™ (θ 8-Pin SOIC (θ 14-Pin Plastic DIP (θ 14-Pin SOIC (θ Storage Temperature (T ) .............................. 1A ≤ 85°C; unless noted A = 25°C, I ...
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... DD Note 5: Output frequency equals oscillator frequency for the MIC38HC42 and MIC38HC43. Output frequency for the MIC38HC44, and MIC38HC45 equals one half the oscillator frequency. Note 6: On 8-pin version, 20V is maximum input on pin 7, as this is also the supply pin for the output stage. On 14-pin version, 40V is maximum for pin 12 and 20V maximum for pin 11 ...
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... OSCILLATOR FREQUENCY (Hz) Current Sense Amplifier vs. Error Amplifier Output 1.2 1.0 125°C 0.8 0.6 25°C 0.4 -50°C 0.2 0 ERROR AMPLIFIER OUTPUT (V) MIC38HC42/3/4/5 MIC38C/HC42/43 Output Dead Time vs. Oscillator Frequency 100 V = 15V DD 4.7nF 10 200pF 10nF 470pF 1nF 18nF 1x10 1x10 1x10 FREQUENCY (Hz) Short-Circuit Reference Current vs ...
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... Plastic DIP (N) 7 0.255 (6.48) 0.245 (6.22) 0.300 (7.62) 0.013 (0.330) 0.010 (0.254) .310 (7.874) .280 (7.112) .015 (0.381) .008 (0.2032) .400 (10.180) .330 (8.362) MIC38HC42/3/4/5 Micrel ...
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... This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc. MIC38HC42/3/4/5 MAX) PIN 1 ...