MIC2205 Micrel Semiconductor, MIC2205 Datasheet
MIC2205
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MIC2205 Summary of contents
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... PWM mode. It can operate with a maximum duty cycle of 100% for use in low-dropout conditions. The MIC2205 is available in the 3mm x 3mm MLF- 10L package with a junction operating range from –40°C to +125°C. Data sheets and support documentation can be found on Micrel’ ...
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... Ordering Information Part Number Output Voltage MIC2205-1.3YML 1.3V MIC2205-1.38YML 1.38V MIC2205-1.5YML 1.5V MIC2205-1.58YML 1.58V MIC2205-1.8YML 1.8V MIC2205-1.85YML 1.85V MIC2205YML Adj. Note: 1. Other Voltage options available. Contact Micrel for details. Pin Configuration Pin Description Pin Number Pin Name 1 AGND 2 ...
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... .............. -0. LOWQ ) .............. –40°C to +125° ................................... 60°C/W JA < +125°C J Min Typ Max 2.7 5.5 2.45 2.55 2.65 100 690 900 16 29 0.01 5 0.99 1 1.01 0.98 1. 0.75 1. 100mA 0.13 0.2 0.5 0.1 0.2 100 0.4 0.4 1.8 2 2.2 0.5 1.3 0.85 0.1 2 0.5 0.85 1.3 2 0.1 110 M9999-041105 www.micrel.com MIC2205 IN Units µA µA µ Ω MHz V µA V µA mV ...
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... Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value that is initially measured differential. For outputs below 2.7V, the dropout voltage is the input-to-output voltage differential with a minimum input voltage of 2.7V. April 2005 = 2.2μF, 10Hz to 100kHz OUT = 0V (LDO Mode) OUT 4 MIC2205 www.DataSheet4U.com Min Typ Max Units µVrms 75 60 ...
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... IN 0.990 0 100 200 300 400 OUTPUT CURRENT (mA) Peak Current Limit vs. Supply Voltage 1200 1000 800 600 400 200 LowQ = 2.7 3.4 4.1 4.8 5.5 SUPPLY VOLTAGE (V) 5 MIC2205 www.DataSheet4U.com 1.8V Efficiency OUT 100 3. 4. 100 200 300 400 500 600 OUTPUT CURRENT (mA) 1 ...
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... Micrel, Inc. Typical Characteristics – PWM Mode (cont.) Turn-On Time vs. Supply Voltage 100 3. 2.7 3.4 4.1 4.8 5.5 SUPPLY VOLTAGE (V) April 2005 6 MIC2205 www.DataSheet4U.com M9999-041105 www.micrel.com ...
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... TEMPERATURE (°C) Turn-On Time vs. Supply Voltage 100 3. LowQ = 0V 0 2.7 3.4 4.1 4.8 5.5 SUPPLY VOLTAGE (V) 7 MIC2205 www.DataSheet4U.com Dropout vs. Output Current 250 200 150 100 3.3V OUT 100 OUTPUT CURRENT (mA) Dropout Voltage vs. Temperature ...
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... OUTPUT CURRENT (mA) April 2005 Quiescent Current vs. Supply Voltage 100 A OUT 16 LowQ = 0V 15 2.7 3.4 4.1 4.8 5.5 SUPPLY VOLTAGE (V) 8 MIC2205 www.DataSheet4U.com Quiescent Current vs. Output Current 3. LowQ = 100 OUTPUT CURRENT (mA) M9999-041105 ...
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... LOWQ SGND April 2005 P-Channel Current Limit HSD PWM Anti-Shoot Control Through LSD N-Channel Current Limit Bias, UVLO, Soft Thermal Start Shutdown LDO Block LDO Current EA Limit MIC2205 Block Diagram 9 MIC2205 www.DataSheet4U.com 1.0V 1.0V LDO PGND M9999-041105 www.micrel.com OUT OUT ...
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... Micrel, Inc. Functional Characteristics Load Transient PWM Mode Time 20 s/div Enable Transient PWM Mode Time 40 s/div April 2005 LowQ = V IN LowQ = 0V 10 MIC2205 www.DataSheet4U.com M9999-041105 www.micrel.com ...
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... Micrel, Inc. Functional Characteristics April 2005 11 MIC2205 M9999-041105 www.micrel.com ...
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... SGND Signal ground (SGND) is the ground path for the biasing and control circuitry. The current loop for the signal ground should be separate from the Power ground (PGND) loop. considerations for more details. 12 MIC2205 www.DataSheet4U.com significantly reduced. ) can be calculated as FF Refer to the ...
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... Smaller case size capacitors are recommended due to there lower ESR and ESL. Inductor Selection The MIC2205 is designed for use with a 2.2µH inductor. Proper selection should ensure the inductor can handle the maximum average and peak currents required by the load. Maximum current ratings of the inductor are generally given in two methods ...
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... Micrel, Inc. Layout Recommendations Note: The above figures demonstrate the recommended layout for the MIC2205 adjustable option. April 2005 MIC2205 Top MIC2205 Bottom 14 MIC2205 www.DataSheet4U.com V OUT GND V IN LowQ EN V OUT GND V IN LowQ EN M9999-041105 www.micrel.com ...
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... C4 R2 2.2µF 125k GND 2.2µH V OUT C3 100pF C4 2.2µF GND Manufacturer AVX (4) Murata AVX (4) Murata (3) Vishay AVX (4) Murata (4) Murata (2) Sumida (3) Vishay Dale (3) Vishay Dale (3) Vishay Dale (3) Vishay Dale (3) Vishay Dale (3) Vishay Dale TM (5) Micrel, Inc. M9999-041105 www.micrel.com MIC2205 Qty ...
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... A Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. April 2005 10-Lead MLF™ (ML) © 2004 Micrel, Incorporated. 16 MIC2205 www.DataSheet4U.com M9999-041105 www.micrel.com ...