Integrated Circuits (ICs)

NCP81239AMNTXG

NRND

I2C CONFIGURABLE 4 SWITCH BUCK/BOOST WITH ADJUSTABLE OUTPUT/ REEL

Search across all available documentation for this part.

Integrated Circuits (ICs)

NRND

I2C CONFIGURABLE 4 SWITCH BUCK/BOOST WITH ADJUSTABLE OUTPUT/ REEL

Technical Specifications

Parameters and characteristics for this part

Specification	NCP81239AMNTXG

Clock Sync	True
Control Features	Current Limit, Soft Start, Frequency Control, Ramp, Enable, On Time Control
Frequency - Switching [Max]	1.2 MHz
Frequency - Switching [Min]	150 kHz
Function	Step-Down, Step-Up
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	100 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	2
Output Type	PWM Signal
Package / Case	32-VFQFN Exposed Pad
Serial Interfaces	I2C
Supplier Device Package	32-QFN (5x5)
Synchronous Rectifier	False
Topology	Boost, Buck
Voltage - Supply (Vcc/Vdd) [Max]	28 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

Part	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Topology	Function	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Control Features	Number of Outputs	Output Phases	Supplier Device Package	Frequency - Switching [Min]	Frequency - Switching [Max]	Output Configuration	Output Type	Mounting Type	Serial Interfaces	Voltage - Output	Regulator Topology	Voltage - Input	Outputs and Type	Contents	Utilized IC / Part	Main Purpose
ON Semiconductor NCP81239AMNTXG	4.5 V	28 V	Boost Buck	Step-Down Step-Up	100 °C	-40 °C	32-VFQFN Exposed Pad	Current Limit Enable Frequency Control On Time Control Ramp Soft Start	1	2	32-QFN (5x5)	150 kHz	1.2 MHz	Positive	PWM Signal	Surface Mount	I2C
ON Semiconductor NCP81239GEVB																		5 V 9 V 15 VDC 20 V	Buck-Boost	12 VDC	1 Non-Isolated Output	Board(s)	NCP81239	DC/DC Step Up or Down
ON Semiconductor NCP81239MNTXG	4.5 V	28 V	Boost Buck	Step-Down Step-Up	100 °C	-40 °C	32-VFQFN Exposed Pad	Current Limit Enable Frequency Control On Time Control Ramp Soft Start	1	2	32-QFN (5x5)	150 kHz	1.2 MHz	Positive	PWM Signal	Surface Mount	I2C

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	2500	$ 1.31
Newark	Each	500	$ 1.40

General part information

Buck, Boost Regulator Positive Output Step-Up, Step-Down I2C DC-DC Controller IC 32-QFN (5x5)

Technical documentation and resources