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MIC2845A-MGYMT Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC2845A-MGYMT Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 18 page Micrel Inc. MIC2845A April 2010 3 M9999-041210-C Ordering Information Part Number Mark Code (1) LDO1 VOUT LDO2 VOUT Temperature Range Package (2) MIC2845A-MFYMT YNMF 2.8V 1.5V –40°C to +125°C 14-Pin 2.5mm x 2.5mm Thin MLF ® MIC2845A-MGYMT YNMG 2.8V 1.8V –40°C to +125°C 14-Pin 2.5mm x 2.5mm Thin MLF ® MIC2845A-PGYMT YNPG 3.0V 1.8V –40°C to +125°C 14-Pin 2.5mm x 2.5mm Thin MLF ® MIC2845A-PPYMT YNPP 3.0V 3.0V –40°C to +125°C 14-Pin 2.5mm x 2.5mm Thin MLF ® MIC2845A-SCYMT YNSC 3.3V 1.0V –40°C to +125°C 14-Pin 2.5mm x 2.5mm Thin MLF ® Notes: 1. Thin MLF ® ▲ = Pin 1 identifier. 2. Thin MLF ® is a GREEN RoHS compliant package. Lead finish is NiPdAu. Mold compound is halogen free. 3. Contact Micrel for other voltage options. Pin Configuration VIN LDO2 EN2 D4 GND D3 EPAD 14-Pin 2.5mm x 2.5mm Thin MLF ® (MT) (Top View) Pin Description Pin Number Pin Name Pin Function 1 VIN Voltage Input. Connect at least 1µF ceramic capacitor between VIN and GND. 2 LDO2 Output of LDO2. Connect at least 1µF ceramic output capacitor. 3 EN2 Enable Input for LDO2. Active High Input. Logic High = On; Logic Low = Off; Do not leave floating. 4 END Enable for LED driver. Can be used as a PWM input for dimming of LEDs. Do not leave floating. 5 RSET An internal 1.27V reference sets the nominal maximum LED current. Example, apply a 20.5kΩ resistor between RSET and GND to set LED current to 20mA at 100% duty cycle. 6 D1 LED1 driver. Connect LED anode to VIN and cathode to this pin. 7 D2 LED2 driver. Connect LED anode to VIN and cathode to this pin. 8 D3 LED3 driver. Connect LED anode to VIN and cathode to this pin. 9 GND Ground. 10 D4 LED4 driver. Connect LED anode to VIN and cathode to this pin. 11 D5 LED5 driver. Connect LED anode to VIN and cathode to this pin. 12 D6 LED6 driver. Connect LED anode to VIN and cathode to this pin. 13 EN1 Enable Input for LDO1. Active High Input. Logic High = On; Logic Low = Off; Do not leave floating. 14 LDO1 Output of LDO1. Connect at least 1µF ceramic output capacitor. EPAD HS PAD Heat sink pad. Not internally connected. Connect to ground. |
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