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MIC2196 Datasheet(PDF) 2 Page - Micrel Semiconductor |
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MIC2196 Datasheet(HTML) 2 Page - Micrel Semiconductor |
2 / 12 page Micrel, Inc. MIC2196 September 2008 2 M9999-092908 Ordering Information Part Number Voltage Frequency Temperature Range Package Lead Finish MIC2196BM Adj. 400kHz –40°C to +125°C 8-Pin SOIC Standard MIC2196YM Adj. 400kHz –40°C to +125°C 8-Pin SOIC Pb-Free Pin Configuration 1 COMP FB EN/UVLO CS 8VIN OUTN GND VDD 7 6 5 2 3 4 8-Pin SOIC (M) Pin Description Pin Number Pin Name Pin Function 1 COMP Compensation (Output): Internal error amplifier output. Connect to a capacitor or series RC network to compensate the regulator’s control loop. 2 FB Feedback (Input): Regulates FB to 1.245V. 3 EN/UVLO Enable/Undervoltage Lockout (input): A low level on this pin will power down the device, reducing the quiescent current to under 0.5μA. This pin has two separate thresholds, below 1.5V the output switching is disabled, and below 0.9V the device is forced into a complete micropower shutdown. The 1.5V threshold functions as an accurate undervoltage lockout (UVLO) with 100mV hysteresis. 4 CS The (+) input to the current limit comparator. A built in offset of 100mV between CS and GND in conjunction with the current sense resistor sets the current limit threshold level. This is also the (+) input to the current amplifier. 5 VDD 3V internal linear-regulator output. VDD is also the supply voltage bus for the chip. Bypass to GND with 1μF. 6 GND Ground. 7 OUTN High current drive for N-Channel MOSFET. Voltage swing is from ground to VIN. RON is typically 3Ω @ 5VIN. 8 VIN Input voltage to the control IC. This pin also supplies power to the gate drive circuit. |
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Similar Description - MIC2196_08 |
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