MIC5281 MICREL [Micrel Semiconductor], MIC5281 Datasheet
MIC5281
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MIC5281 Summary of contents
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... The MIC5281 is optimized for high-voltage line transients, making it ideal for harsh environment applications. The MIC5281 is offered in both fixed output voltage (3.3V/5.0V) and adjustable output voltage (1.27V to 5.5V) options. The MIC5281 operates over a −40ºC to +125ºC temperature range and is available in lead-free, RoHS- compliant, 8-pin ePad MSOP and 8-pin MSOP packages ...
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... Adjustable MIC5281-3.3YMM 3.3V MIC5281-5.0YMM 5.0V Pin Configuration 8-Pin ePAD MSOP MIC5281-x.xYMME (TOP VIEW) 8-Pin ePAD MSOP MIC5281YMME (TOP VIEW) June 2011 Top Mark Temperature Range –40°C to +125°C 781A –40°C to +125°C 781S –40°C to +125°C 7815 − ...
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... Connect 0.1µF capacitor from CPSRR to GND. GND Ground. Feedback Connection. For external FB resistor divider to set V OUT Sense input. Connect SNS to SNS VOUT. Regulator Output. Connect 10µF VOUT capacitor from VOUT to GND. Exposed Pad (ePad) for Thermal EP Relief. Connect EP to GND. M9999-062411-A MIC5281 . ...
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... OUT A Min. Typ 1.27 3.2 3.3 3.13 3.3 4.85 5.0 4.75 5.0 −3 −5 −0.5 0.2 −0.5 0.04 1.232 1.270 1.206 1.270 3 > θ – Exceeding the maximum allowable power D(max) J(max MIC5281 ≤ ≤ T +125°C J (3) Max. Units 120 V 11 µA 5.5 3.4 3.47 V 5.15 5. +0.5 % +0.5 %/V 1.308 V 1.333 nA 130 mA dB M9999-062411-A ...
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... Power Dropout Voltage Dropout Voltage Thermal Protection Thermal-Shutdown Temperature Thermal-Shutdown Hysteresis June 2011 (5) (Continued) = 10µ 5.0V or 3.3V, I OUT OUT Condition I = 25mA OUT T rising 100µ 25°C, bold values indicate OUT A Min. Typ. 2 157 15 MIC5281 Max. Units 3 V °C °C M9999-062411-A ...
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... INPUT VOLTAGE (V) Dropout Voltage vs. Output Current 3. OUT 2.50 ADJUSTABLE OPTION 2.00 1.50 1.00 0.50 0. 100 125 OUTPUT CURRENT (mA) vs. Input Voltage 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 80 100 120 INPUT VOLTAGE (V) MIC5281 60 80 100 120 Current OUT V = 1.267V 100 120 M9999-062411-A ...
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... OUT 0.24 0.22 0.20 0.18 0.16 0.14 0.12 0.10 75 100 125 -50 -25 0 TEMPERATURE (°C) PSRR vs. Frequency 12V OUT I = 5mA OUT - None 0.1µF -30 PSRR C = 10µF OUT -50 -70 -90 -110 -130 20 25 0.01 0.1 1 FREQUENCY (kHz) MIC5281 100 125 10 100 1000 10000 M9999-062411-A ...
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... Micrel, Inc. Functional Characteristics June 2011 8 MIC5281 M9999-062411-A ...
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... Micrel, Inc. Functional Characteristics (Continued) June 2011 9 MIC5281 M9999-062411-A ...
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... Micrel, Inc. Detailed Description The MIC5281 voltage regulator accepts 120V input and has an ultra-low 6µA typical quiescent current while offering an excellent line transient response and PSRR. These features make it ideal environments. All options of the device offer 25mA of output current. The MIC5281YMM and MIC5281YMME offer an adjustable output voltage from 1 ...
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... Micrel, Inc. Functional Diagram June 2011 11 MIC5281 M9999-062411-A ...
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... Micrel, Inc. MIC5281 Evaluation Board Schematic June 2011 MIC5281 Evaluation Board Schematic 12 MIC5281 M9999-062411-A ...
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... Part # ECA-2CM101) ANY Capacitor (4) 0Ω, 1% resistor, 0603 (4) 29.4kΩ, 1% resistor, 0603 (4) 10.0kΩ, 1% resistor, 0603 (4) 18.2kΩ, 1%, resistor, 0603 (4) 30.1kΩ, 1% resistor chip, 0603 (4) 69.8kΩ, 1%, resistor, 0603 (5) Micrel 120V , 25mA, Ultra-Low High-PSRR Linear Regulator Q MIC5281 Qty M9999-062411-A ...
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... Micrel, Inc. PCB Evaluation Board Layout June 2011 Top Layer Silk Screen Top Layer Traces 14 MIC5281 M9999-062411-A ...
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... Micrel, Inc. PCB Evaluation Board Layout (Continued) June 2011 Bottom Layer Traces Bottom Layer Silk Screen 15 MIC5281 M9999-062411-A ...
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... Micrel, Inc. PCB Evaluation Board Layout (Continued) June 2011 EV Board Dimensions 16 MIC5281 M9999-062411-A ...
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... Micrel, Inc. Package Information June 2011 8-Pin MSOP 17 MIC5281 M9999-062411-A ...
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... Micrel, Inc. Package Information (Continued) June 2011 8-Pin Exposed Pad (ePad) MSOP 18 MIC5281 M9999-062411-A ...
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... Micrel, Inc. Recommended Landing Pattern June 2011 8-Pin MSOP 19 MIC5281 M9999-062411-A ...
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... Micrel, Inc. Recommended Landing Pattern (Continued) indicates Thermal Via. Size should be .300mm − .350mm in diameter, 1.00mm pitch, and it should be Red circle connected to GND plane for maximum thermal performance. June 2011 8-Pin Exposed Pad (ePad) MSOP 20 MIC5281 M9999-062411-A ...
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... 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 June 2011 indemnify Micrel for any damages resulting from such use or sale. © 2011 Micrel, Incorporated. 21 http://www.micrel.com M9999-062411-A MIC5281 nt ...