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LM1572

National Semiconductor
Part Number LM1572
Manufacturer National Semiconductor
Description 500kHz Step-down Voltage Regulator
Published Oct 2, 2018
Detailed Description LM1572 1.5A, 500kHz Step-down Voltage Regulator July 2002 LM1572 1.5A, 500kHz Step-down Voltage Regulator General De...
Datasheet PDF File LM1572 PDF File

LM1572
LM1572

Overview
LM1572 1.
5A, 500kHz Step-down Voltage Regulator July 2002 LM1572 1.
5A, 500kHz Step-down Voltage Regulator General Description The LM1572 is a 500kHz step-down (buck) switching voltage regulator capable of driving up to 1.
5A in to a load while occupying a very small PCB area.
Current Mode Control results in superior transient response and regulation over a wider range of operating conditions.
National’s advanced analog bipolar, CMOS plus DMOS process enables high efficiency at high switching frequency, and the internal 150mΩ MOSFET switch provides more power from a smaller package.
The LM1572 has programmable soft-start and frequency foldback to limit the inrush current, and a TTL compatible shutdown for easy sequencing.
It draws 2.
3mA of supply current in standby mode, and only 26µA in shutdown mode.
The LM1572 is available in a TSSOP-16 package with an adjustable output or fixed outputs of 5V and 3.
3V.
The adjustable version can be set between 2.
42V and 5V.
Features n 500kHz...


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