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NCP3123

ON Semiconductor
Part Number NCP3123
Manufacturer ON Semiconductor
Description Step-Down DC/DC Switching Regulator
Published Aug 26, 2010
Detailed Description NCP3123 Dual 3.0 A, Step-Down DC/DC Switching Regulator The NCP3123 is a dual buck converter designed for low voltage ...
Datasheet PDF File NCP3123 PDF File

NCP3123
NCP3123

Overview
NCP3123 Dual 3.
0 A, Step-Down DC/DC Switching Regulator The NCP3123 is a dual buck converter designed for low voltage applications requiring high efficiency.
This device is capable of producing an output voltage as low as 0.
8 V.
The NCP3123 provides dual 3.
0 A switching regulators with an adjustable 200 kHz − 2200 kHz switching frequency.
The switching frequency is set by an external resistor.
The NCP3123 also incorporates an auto−tracking and sequencing feature.
Protection features include cycle−by−cycle current limit and undervoltage lockout (UVLO).
The NCP3123 comes in a 32−pin QFN package.
Features • Input Voltage Range from 4.
5 V to 13.
2 V • 12 Vin to 5.
0 Vout = 85% Efficiency Min @ 3.
0 A • 200−2200 kHz Operation • Stable with Low ESR Ceramic Output Capacitor • 0.
8 ±1.
5% FB Reference Voltage • External Soft−Start • Out of Phase Operation of OUT1 & OUT2 • Auto−Tracking and Sequencing • Enable/Disable Capability • Hiccup Overload Protection • Low Shutdown Power (Iq < 100 mA) http...


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