FAN2012EMP Fairchild Semiconductor, FAN2012EMP Datasheet
FAN2012EMP
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FAN2012EMP Summary of contents
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FAN2011/FAN2012 1.5A Low Voltage Current Mode Synchronous PWM Buck Regulator Features ■ 95% Efficiency, Synchronous Operation ■ Adjustable Output Voltage from 0. ■ 4.5V to 5.5V Input Voltage Range ■ 1.5A Output Current ■ Fixed Frequency ...
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Pin Assignment FB PGND SW 3x3mm 6-Lead MLP Pin Description FAN2011 (3x3mm 6-Lead MLP) Pin No. Pin Name P1 AGND Analog Ground. P1 must be soldered to the PCB ground Feedback Input. Adjustable voltage option, connect this pin ...
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Absolute Maximum Ratings and any other pin IN Thermal Resistance-Junction to Tab ( θ Lead Soldering Temperature (10 seconds) Storage Temperature Junction Temperature Electrostatic Discharge (ESD) Protection Level (Note 3) Recommended Operating Conditions Parameter Supply Voltage Range ...
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Electrical Characteristics V = 4.5V to 5.5V 1.2V OUT +85°C, unless otherwise noted. Typical values are at T Parameter Input Voltage Quiescent Current UVLO Threshold PMOS On Resistance NMOS On Resistance P-channel Current Limit Over-Temperature Protection ...
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Typical Performance Characteristics T = 25° 10µ OUT Output Voltage vs. Ambient Temperature 1.214 1.212 1.210 1.208 1.206 1.204 1.202 1.200 1.198 1.196 1.194 -40 - Ambient Temperature (°C) Efficiency vs. Load ...
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Typical Performance Characteristics T = 25° 10µ OUT Start-up Response Input Voltage (5V/div) SW Node Voltage (5V/div) Inductor Current (200mA/div) Output Voltage (500mV/div) Time (50µs/div) Start-up Response Input Voltage (5V/div) SW Node Voltage (5V/div) Inductor ...
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Block Diagram DIGITAL SOFT START FB ERROR AMP 0.8V GND IS SLOPE COMPENSATION Detailed Operation Description The FAN2011 is a step-down pulse width modulated (PWM) current mode converter with a typical switching frequency of 1.3 MHz. At the beginning of ...
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Inductor Selection The inductor parameters directly related to device performances are saturation current and dc resistance. The FAN2011/ FAN2012 operates with a typical inductor value of 3.3µH. The lower the dc resistance, the higher the efficiency. For saturation current, the ...
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... Adjustable FAN2012E Adjustable FAN2011/FAN2012 Rev. 1.0.3 Ambient Operating Package Type Temperature 3x3mm 6-Lead MLP 0°C to 85°C 3x3mm 6-Lead MLP 0°C to 85°C 3x3mm 6-Lead MLP -40°C to 85°C 3x3mm 6-Lead MLP -40°C to 85°C 9 Order Code FAN2011MPX FAN2012MPX FAN2011EMPX FAN2012EMPX www.fairchildsemi.com ...
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... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ACEx™ FAST ActiveArray™ FASTr™ Bottomless™ FPS™ CoolFET™ FRFET™ CROSSVOLT ™ ...