MIC5259-3.3BD5 Micrel Semiconductor, MIC5259-3.3BD5 Datasheet
MIC5259-3.3BD5
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MIC5259-3.3BD5 Summary of contents
Page 1
... The MIC5259 provides a very-low-noise output, ideal for RF applications where a clean voltage source is required. The MIC5259 has a high PSRR even at low supply voltages, critical for battery operated electronics. A noise bypass pin is also available for further reduction of output noise. ...
Page 2
... MIC5259-1.8BD5 MIC5259-1.8YD5 MIC5259-2.5BD5 MIC5259-2.5YD5 MIC5259-2.8BD5 MIC5259-2.8YD5 MIC5259-2.85BD5 MIC5259-2.85YD5 MIC5259-3.0BD5 MIC5259-3.0YD5 MIC5259-3.3BD5 MIC5259-3.3YD5 MIC5259-1.5YML MIC5259-1.8YML MIC5259-2.1YML MIC5259-2.5BML MIC5259-2.5YML MIC5259-2.8BML MIC5259-2.8YML MIC5259-2.85BML MIC5259-2.85YML MIC5259-3 ...
Page 3
... BYP 53 53 350 475 30 1.6 0.01 0.01 500 150 – θ . Exceeding the maximum allowable power J(max the MIC5259-x.xBM5 (all versions MIC5259 IN Max Units 1 0.3 %/V 3 500 mV 550 mV 1 µA 150 µA 250 µ µ ...
Page 4
... Micrel, Inc. Typical Characteristics September 2006 4 MIC5259 M9999-091406 ...
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... Micrel, Inc. Typical Characteristics (cont.) September 2006 5 MIC5259 M9999-091406 ...
Page 6
... Micrel, Inc. Functional Characteristics September 2006 6 MIC5259 M9999-091406 ...
Page 7
... Micrel, Inc. Functional Diagram IN Reference Voltage E N Thermal Sensor Under- voltage Lockout GND September 2006 Startup/ Quickstart/ Shutdown Noise Control Cancellation FAULT Error Current Amplifier Amplifier ACTIVE SHUTDOWN 7 MIC5259 OUT M9999-091406 ...
Page 8
... N-Channel MOSFET that turns on when the device is disabled. This allows the output capacitor and load to discharge, de-energizing the load. No-Load Stability The MIC5259 will remain stable and in regulation with no load unlike many other voltage regulators. This is especially important in CMOS RAM keep-alive applica- tions. ...
Page 9
... D(max) D conditions that are critical to the application will give the maximum operating conditions for the regulator circuit. For example, when operating the MIC5259-2.8BML at 70°C with a minimum footprint layout, the maximum input voltage for a set output current can be determined as follows: ° ...
Page 10
... Micrel, Inc. Package Information September 2006 5-Pin Thin SOT-23 (D5) ® 6-Pin 2mm x 2mm MLF (ML) 10 MIC5259 M9999-091406 ...
Page 11
... 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 September 2006 indemnify Micrel for any damages resulting from such use or sale. © 2004 Micrel, Incorporated. 11 MIC5259 M9999-091406 ...