MIC502YN Micrel Inc, MIC502YN Datasheet
MIC502YN
Specifications of MIC502YN
Related parts for MIC502YN
MIC502YN Summary of contents
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... Data sheets and support documentation can be found on Micrel’s web site at www.micrel.com. ___________________________________________________________________________________________________________ Typical Application Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 ( November 2006 Features • Temperature-proportional fan speed control • Low-cost, efficient PWM fan drive • ...
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... Micrel, Inc. Ordering Information Part Number MIC502BN MIC502YN MIC502BM MIC502YM Pin Configuration Pin Description Pin Number Pin Name 1 VT1 VSLP 4 GND 5 VT2 6 /OTF 7 OUT 8 VDD November 2006 Temperature Range Package –40° to +85°C 8-Pin Plastic DIP –40° to +85°C 8-Pin Plastic DIP – ...
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Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V )....................................................+14V DD Output Sink Current (I ) .....................................10mA OUT(sink) Output Source Current (I OUT(source) Input Voltage (any pin) .......................... –0. Junction Temperature (T ) ....................................... +125°C J Lead Temperature (soldering, ...
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Micrel, Inc. Symbol Parameter Overtemperature Fault Output V Active (Low) Output Voltage OL I Off-State Leakage OH Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating. ...
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Micrel, Inc 0. 0.3V 0. OTF ...
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Micrel, Inc. Typical Characteristics Supply Current vs. Temperature 0.9 0 12V DD 0.7 0.6 0 0.4 DD 0.3 0.2 0.1 0 -40 - 100 TEMPERATURE ( °C) V vs. OH ...
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Micrel, Inc. Typical Characteristics (cont.) V PWM(max) vs. Temperature =12V -40 - 100 TEMPERATURE ( °C) November 2006 PWM ...
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Micrel, Inc. Functional Diagram VT2 5 VT1 VDD 8 November 2006 PWM Start-Up Timer Oscillator Sleep Power-On Reset Reset V IL Overtemperature 4 GND ...
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Micrel, Inc. Functional Description Oscillator A capacitor connected to CF determines the frequency of the internal time base which drives the state-machine logic and determines the PWM frequency. This operating frequency will be typically 30Hz to 60Hz. (C 30Hz.) Pulse-Width ...
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Micrel, Inc. Normal Operation Normal operation consists of the PWM operating to control the speed of the fan according to V Exceptions to this otherwise indefinite behavior can be caused by any of three conditions overtemperature condition; V ...
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Micrel, Inc. Application Information The Typical Application drawing on page 1 illustrates a typical application circuit for the MIC502. Interfacing the MIC502 with a system consists of the following steps: 1. Selecting a temperature sensor 2. Interfacing the temperature sensor ...
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Micrel, Inc. Design Example The thermistor-resistor interface network is shown in the Typical Application drawing. The following example describes the design process: A thermistor datasheet specifies a thermistor that is a candidate for this design as having an R25 resistance ...
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Micrel, Inc. incorporated into the design then the operating voltage ( vs 12V) becomes a concern. The FanC DD DD signal is derived from a 12V supply and is specified to swing at least to 10.5V. ...
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Micrel, Inc. Package Information 0.026 (0.65) MAX) 0.157 (3.99) 0.150 (3.81) 0.050 (1.27) 0.064 (1.63) 0.045 (1.14) 0.018 (0.57) 0.100 (2.54) November 2006 PIN 1 DIMENSIONS: INCHES (MM) 0.020 (0.51) 0.013 (0.33) TYP 0.0098 (0.249) 0.0040 (0.102) 0–8 0.197 (5.0) ...
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Micrel, Inc. MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no ...