MIC2193YM Micrel Inc, MIC2193YM Datasheet
MIC2193YM
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MIC2193YM Summary of contents
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MIC2193 General Description Micrel’s MIC2193 is a high efficiency, PWM synchronous buck control IC housed in the SO-8 package. Its 2.9V to 14V input voltage range allows it to efficiently step down voltages in 3.3V, 5V, and 12V systems as ...
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... MIC2193 Ordering Information Part Number Voltage MIC2193BM Adjustable MIC2193YM Adjustable Pin Configuration Pin Description Pin Number Pin Name 1 VIN 2 COMP VDD 6 GND 7 OUTN 8 OUTP M9999-042704 Frequency Temperature Range 400KHz – +125 C 400KHz – +125 C VIN 1 8 OUTP COMP 2 7 OUTN GND ...
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MIC2193 Absolute Maximum Ratings Supply Voltage (V ) ..................................................... 15V IN Digital Supply Voltage (V ) ........................................... 7V DD Comp Pin Voltage (V ) ............................ –0.3V to +3V COMP Feedback Pin Voltage (V ) .......................... –0.3V to +3V FB Current ...
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MIC2193 Parameter Condition Gate Drivers Rise/Fall Time C L Output Driver Impedance Source, V Sink, V Source, V Sink, V Driver Non-overlap Time Note 1. Absolute maximum ratings indicate limits beyond which damage to ...
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MIC2193 Typical Characteristics Quiescent Current vs. Supply Voltage SUPPLY VOLTAGE (V) V vs. Load DD 3.10 3.08 3. 12V IN 3.04 3.02 3. ...
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MIC2193 Functional Diagram C DECOUP VDD 5 VDD fs/4 OSC PWM COMPARATOR COMP 2 Functional Characteristics Controller Overview and Functional Description The MIC2193 is a BiCMOS, switched mode, synchronous step down (buck) converter controller. It uses both N- and P- ...
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MIC2193 The MIC2193 controller is broken down into five functions. • Control loop - PWM operation - Current mode control • Current limit • Reference and V DD • MOSFET gate drive • Oscillator Control Loop PWM Control Loop The ...
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MIC2193 MOSFET Selection The P-channel MOSFET must have a V equal to or lower than the input voltage when used in a buck converter topology. There is a limit to the maximum gate charge the MIC2193 will drive. MOSFETs with ...
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MIC2193 transition faster than those with higher gate charge requirements. • For the same size inductor, a lower value will have fewer turns and therefore, lower winding resistance. However, using too small of a value will require more output capacitors ...
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MIC2193 Package Information 0.026 (0.65) 0.157 (3.99) 0.150 (3.81) 0.064 (1.63) 0.045 (1.14) MICREL, INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this data sheet is believed to ...