MIC38C42-1BN Micrel Inc, MIC38C42-1BN Datasheet
MIC38C42-1BN
Specifications of MIC38C42-1BN
Related parts for MIC38C42-1BN
MIC38C42-1BN Summary of contents
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... MIC38C4x-1 (14-lead) versions only ( ) MIC38C4x, (8-lead) versions only * MIC38C42, MIC38C43 (96% max. duty cycle) versions only † MIC38C44, MIC38C45 (50% max. duty cycle) versions only ‡ Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com ...
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... MIC38C42/3/4/5 Ordering Information Part Number* Standard Pb-Free MIC38C42BN MIC38C42YN MIC38C43BN MIC38C43YN MIC38C44BN MIC38C44YN MIC38C45BN MIC38C45YN MIC38C42-1BN Contact Factory MIC38C43-1BN Contact Factory MIC38C44-1BN MIC38C44-1YN MIC38C45-1BN Contact Factory MIC38C42BM MIC38C42YM MIC38C43BM MIC38C43YM MIC38C44BM MIC38C44YM MIC38C45BM MIC38C45YM MIC38C42BMM MIC38C42YMM MIC38C43BMM MIC38C43YMM MIC38C44BMM MIC38C44YMM MIC38C45BMM ...
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... MIC38C42/3/4/5 Pin Configuration MIC38C4x 8-Pin DIP (N) 8-Pin SOIC (M) 8-Pin MSOP (MM) Pin Description Pin Number Pin Number Pin Name -1BN, -1BM September 2007 VDD 6 OUT 5 GND Pin Function COMP Compensation: Connect external compensation network to modify the error amplifier output. NC Not internally connected. ...
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... MIC38C42/3/4/5 Absolute Maximum Ratings Zener Current (V ) ................................................... 30mA DD Operation at ≥18V may require special precautions (Note 6). Supply Voltage (V ), Note 6 ........................................ 20V DD Switch Supply Voltage (V ) ........................................... 20V D Current Sense Voltage (V ) .......................–0.3V to 5.5V ISNS Feedback Voltage (V ) .................................–0.3V to 5.5V FB Output Current, 38C42/3/4 ............................. 0.5A OUT Storage Temperature (T ) ......................... –65°C to +150°C ...
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... DD Note 5: Output frequency equals oscillator frequency for the MIC38C42 and MIC38C43. Output frequency for the MIC38C44, and MIC38C45 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 ERROR AMPLIFIER OUTPUT (V) M9999-091107 MIC38C42/43 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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... Buck Converter Refer to figure 1. When at least 26V is applied to the input charged through R2 until the voltage V than 14.5V (the undervoltage lockout value of the MIC38C42). Output switching begins when Q1 is turned on by the gate drive transformer T1, charging the output filter capacitor C3 through L1. D5 supplies a regulated +12V to V circuit is running ...
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... MIC38C42/3/4/5 Test Conditions Line Regulation V = 26V to 80V Load Regulation V = 48V 0. Efficiency V = 48V Output Ripple V = 48V (20MHz BW Synchronous Buck Converter Refer to figure 2. This MIC38C43 synchronous buck converter uses an MIC5022 half-bridge driver to alternately drive the PWM switch MOSFET (driven by GATEH, or high-side output) and a MOSFET which functions as a synchronous rectifi ...
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... MIC38C42/3/4/5 Package Information 0.018 (0.57) .235 (5.969) .215 (5.461) .160 MAX (4.064) .160 (4.064) .100 (2.540) September 2007 PIN 1 DIMENSIONS: INCH (MM) 0.380 (9.65) 0.370 (9.40) 0.135 (3.43) 0.125 (3.18) 0.380 (9.65) 0.130 (3.30) 0.320 (8.13) 0.100 (2.54) 0.0375 (0.952) 8-Pin Plastic DIP (N) ...
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... MIC38C42/3/4/5 M9999-091107 8-Pin SOIC (M) 8-Pin MSOP (MM) 10 Micrel, Inc. September 2007 ...
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... MIC38C42/3/4/5 MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL This information furnished by Micrel in this data sheet is believed to be accurate and reliable. However no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. ...