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LM1501A

HTC
Part Number LM1501A
Manufacturer HTC
Description Step-down Switching Regulator
Published May 21, 2016
Detailed Description 5.0A, 150kHz, Step-down Switching Regulator LM1501A FEATURES z 3.3V, 5V, 12V, and adjustable output versions z Adjusta...
Datasheet PDF File LM1501A PDF File

LM1501A
LM1501A

Overview
5.
0A, 150kHz, Step-down Switching Regulator LM1501A FEATURES z 3.
3V, 5V, 12V, and adjustable output versions z Adjustable version output voltage range, 1.
23V to 37V ± 3% max over line and load conditions z Guaranteed 5A output load current z Input voltage range up to 40V z Requires only 4 external components z 150kHz ±15% fixed frequency internal oscillator z Excellent line and Load regulation specifications z Low power standby mode, IQ typically 80uA z Thermal shutdown and current limit protection TO-263 PKG TO-220 PKG APPLICATION z Simple high-efficiency step-down regulator z On-card switching regulators z Positive to negative converter DESCRIPTION Ordering Information Device(Marking) PKG LM1501AR-X.
X TO-263 5L LM1501AT-X.
X TO-220 5L X.
X = Output Voltage = 3.
3, 5.
0, 12, ADJ The LM1501A series of regulators are monolithic integrated circuits that provide all the active functions for a step-down switching regulator, capable of driving a 5A load with excellent line and load regulation.
These devices are available in fixed output voltages of 3.
3V, 5V, 12V and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use.
The LM1501A series operates at a switching frequency of 150kHz.
Available in standard 5-lead TO-263 and TO-220 package.
Other features include a guaranteed ± 3% tolerance on output voltage under specified input voltage and output load conditions, and ± 15% on the oscillator frequency.
External shutdown is included, featuring typically 80uA standby current.
Self protection features include a current limit for output switch and an over temperature shutdown for complete protection under fault conditions.
The over temperature shutdown level is about 145℃ with 5℃ hysteresis.
Absolute Maximum Ratings (TA = 25oC) (Note 1) Characteristic Symbol Value Unit Maximum Input Supply Voltage ON/OFF Pin Input Voltage Feedback Pin Voltage Output Voltage to Ground Power Dissipation Storage Temper...


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