NCP1589A Series

Synchronous Buck Controller, Low Voltage

Catalog

Synchronous Buck Controller, Low Voltage

Part	Duty Cycle (Max) [Max]	Output Type	Control Features	Package / Case	Mounting Type	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Supplier Device Package	Output Configuration	Topology	Operating Temperature [Max]	Operating Temperature [Min]	Frequency - Switching	Output Phases	Number of Outputs	Function
ON Semiconductor NCP1589AMNTWG	75 %	Transistor Driver	Enable Power Good	10-VFDFN Exposed Pad	Surface Mount Wettable Flank	4.5 V	13.2 V	10-DFN (3x3)	Positive	Buck	70 °C	0 °C	300 kHz	1	1	Step-Down
ON Semiconductor NCP1589BMNTWG	75 %	Transistor Driver	Enable Power Good	10-VFDFN Exposed Pad	Surface Mount Wettable Flank	4.5 V	13.2 V	10-DFN (3x3)	Positive	Buck	70 °C	0 °C	600 kHz	1	1	Step-Down
ON Semiconductor NCP1589CMNTWG	75 %	Transistor Driver	Enable Power Good	10-VFDFN Exposed Pad	Surface Mount Wettable Flank	4.5 V	13.2 V	10-DFN (3x3)	Positive	Buck	70 °C	-20 °C	300 kHz	1	1	Step-Down

Catalog

Synchronous Buck Controller, Low Voltage

Key Features

• VCC range from 4.5 to 13.2V

• Boost pin operates up to 30V

• Voltage mode PWM control

• Precision 0.8V Internal reference

• Internal 1.5A gate drivers

• Input Under Voltage Lockout

• Programmable Current Limit

Description

Te NCP1589A or NCP1589B is a low cost PWM controller designed to operate from a 5V or 12V supply. This device is capable of producing an output voltage as low as 0.8V. This device is capable of converting voltage from as low as 2.5V. This 10 pin device provides an optimal level of integration to reduce size and cost of the power supply.