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BL8523

Part Number	BL8523
Manufacturer	SHANGHAI BELLING
Description	PWM/PFM Step-down DC-DC Controller
Published	Sep 1, 2015
Detailed Description	BL8523 PWM/PFM Step-down DC-DC Controller DESCRIPTION FEATURES The BL8523 is a CMOS-based PWM step-down DC-DC Contro...
Datasheet	BL8523 PDF File

Overview

BL8523 PWM/PFM Step-down DC-DC Controller DESCRIPTION FEATURES The BL8523 is a CMOS-based PWM step-down DC-DC Controller.
The device offers the following advantages: lower supply current and wider operating input-voltage range.
The BL8523 consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, a soft-start circuit, a protection circuit, a PWM/PFM alternative circuit, a Chip Enable circuit, and under voltage lockout circuit.
A low ripple, high efficiency step-down DC-DC converter can be easily composed of this IC.
Output Voltage can be adjusted with external resistors.
 Range of Input Voltage: 3V~16V  Built-in Soft-start Function and Protection Function(Reset type protection)  <1μA Shutdown Current and 80uA Quiescent Current  Oscillation Frequency: 500KHz  High efficiency: 95%  High Accuracy Output Voltage:±2.
0%  Low Temperature Coefficient: ±100ppm/°C  Operating Temperature Range: -40°C ~85°C  Small Package:SOT23-5  Demo Board Avai...

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