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MFG:MICREL  Package Cooled:SOT23-5  D/C:0352+  

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Part Number: MIC5205

 

MFG: MICREL

Package Cooled: SOT23-5

D/C: 0352+

Description: The MIC5205 is an efficient linear voltage regulator with ultralow- noise output, very low dropout vol...


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MIC5205 General Description


The MIC5205 is an efficient linear voltage regulator with ultralow- noise output, very low dropout voltage (typically 17mV at light loads and 165mV at 150mA), and very low ground current (600A at 100mA output). The MIC5205 offers better than 1% initial accuracy.

Designed especially for hand-held, battery-powered devices, the MIC5205 includes a CMOS or TTL compatible enable/ shutdown control input. When shutdown, power consumption drops nearly to zero. Regulator ground current increases only slightly in dropout, further prolonging battery life.

Key MIC5205 features include a reference bypass pin to improve its already excellent low-noise performance, reversed- battery protection, current limiting, and overtemperature shutdown.

The MIC5205 is available in fixed and adjustable output voltage versions in a small SOT-23-5 package.

For low-dropout regulators that are stable with ceramic output capacitors, see the Cap MIC5245/6/7 family.

MIC5205 Maximum Ratings

Supply Input Voltage (VIN) ............................ 20V to +20V
Enable Input Voltage (VEN) ........................... 20V to +20V
Power Dissipation (PD) ............... Internally Limited, Note 3
Lead Temperature (soldering, 5 sec.) ..................... 260°C
Junction Temperature (TJ) .................... 40°C to +125°C
Storage Temperature (TS) .................... 65°C to +150°C
Input Voltage (VIN) ....................................... +2.5V to +16V
Enable Input Voltage (VEN) .................................. 0V to VIN
Junction Temperature (TJ) .....................40°C to +125°C
Thermal Resistance, SOT-23-5 (JA) ......................... Note 3


 

MIC5205 Features

• Ultra-low-noise output
• High output voltage accuracy
• Guaranteed 150mA output
• Low quiescent current
• Low dropout voltage
• Extremely tight load and line regulation
• Very low temperature coefficient
• Current and thermal limiting
• Reverse-battery protection
• "Zero" off-mode current
• Logic-controlled electronic enable

MIC5205 Typical Application

• Cellular telephones
• Laptop, notebook, and palmtop computers
• Battery-powered equipment
• PCMCIA VCC and VPP regulation/switching
• Consumer/personal electronics
• SMPS post-regulator/dc-to-dc modules
• High-efficiency linear power supplies

MIC5205 Connection Diagram

MIC5205  Connection Diagram

MIC5205 datasheet

MIC5205
PDF/DataSheet Download

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