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LM1501B Home > Products > Step-Down Switching Voltage Regulator > LM1501B
  - 3.3V, 5V, 12V, and adjustable output versions
- Adjustable version output voltage range, 1.23V to 37V 3% max over line and load conditions
- Guaranteed 5A output load current
- Input voltage range up to 40V
- Requires only 4 external components
- 300kHz 15% fixed frequency internal oscillator
- Excellent line and load regulation specifications
- Low power standby mode, Iq typically 80µA
- Thermal shutdown and current limit protection
  The LM1501B 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 LM1501B series operates at a switching frequency of 300kHz. Available in standard 5-lead TO-263 and TO-220 packages.
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 80µA 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°C with 5°C hysteresis.
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