MIC39501-1.8BU Micrel Inc, MIC39501-1.8BU Datasheet
MIC39501-1.8BU
Specifications of MIC39501-1.8BU
Related parts for MIC39501-1.8BU
MIC39501-1.8BU Summary of contents
Page 1
... General Description The MIC39500 and MIC39501 are 5A low-dropout linear voltage regulators that provide a low-voltage, high-current output with a minimum of external components. Utilizing Micrel’s proprietary Super βeta PNP™ pass element, the MIC39500/1 offers extremely low dropout (typically 400mV at 5A) and low ground current (typically 70mA at 5A). ...
Page 2
... MIC39500-2.5WT* MIC39500-2.5BU MIC39500-2.5WU* MIC39501-2.5BT MIC39501-2.5WT* MIC39501-2.5BU MIC39501-2.5WU* MIC39500-1.8BT MIC39500-1.8WT* MIC39500-1.8BU MIC39500-1.8WU* MIC39501-1.8BT MIC39501-1.8WT* MIC39501-1.8BU MIC39501-1.8WU* * RoHS compliant with high-melting solder exemption. Pin Confi guration MIC39500-x.xBT TO-220-3 (T) MIC39501-x.xBT TO-220-5 (T) Pin Description Pin Number Pin Number Pin Number Pin Number Pin Number ...
Page 3
... EN I Enable Input Current Enable Input Current Enable Input Current IN I Shutdown Output Current Shutdown Output Current OUT(shdn) Flag Output (MIC39501) I Output Leakage Current Output Leakage Current Output Leakage Current FLG(leak) V Output Low Voltage Output Low Voltage Output Low Voltage FLG(do) ...
Page 4
MIC39500/39501 Typical Characteristics P ower S upply R ejection R atio 3. 2.5V OUT LOAD 47µF T ant OUT ...
Page 5
MIC39500/39501 E rror F lag P ull- tor 6 F lag_HIG H ( lag_LOW (F AULT ) 0 RESISTANCE (kΩ) August 2005 E nable C urrent vs . Temperature 7 ...
Page 6
... MIC39500/39501 Functional Diagram IN FLAG* EN* M9999-082605-B 1.180V 1.240V Ref. Thermal Shut- down * MIC39501 only 6 Micrel OUT O.V. I LIMIT 18V GND August 2005 ...
Page 7
MIC39500/39501 Applications Information The MIC39500 high-performance low-dropout voltage regulator suitable for moderate to high-current voltage regula- tor applications. Its 400mV dropout voltage at full load makes it especially valuable in battery-powered systems and as a high-effi ciency noise ...
Page 8
... A 10mA minimum load current is necessary for proper regulation. M9999-082605-B Error Flag The MIC39501 version features an error fl ag circuit which monitors the output voltage and signals an error condition when the voltage 5% below the nominal output voltage. The error fl open-collector output that can sink 10mA during a fault condition ...
Page 9
MIC39500/39501 Package Information August 2005 3-Lead TO-263 (U) 3-Lead TO-220 (T) 9 Micrel M9999-082605-B ...
Page 10
... MIC39500/39501 4 θ MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL This information furnished by Micrel in this data sheet is believed to be accurate and reliable. However no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifi cations at any time without notifi cation to the customer. ...