Integrated Circuits (ICs)

NCP1342ENACEFD1R2G

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ON Semiconductor

QUASI-RESONANT FLYBACK CONTROLLER WITH VALLEY LOCK-OUT SWITCHING

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DocumentsPackage Drawing-751BP-SOIC9 NB Datasheet +1

Integrated Circuits (ICs)

NCP1342ENACEFD1R2G

Active

ON Semiconductor

QUASI-RESONANT FLYBACK CONTROLLER WITH VALLEY LOCK-OUT SWITCHING

Deep-Dive with AI

DocumentsPackage Drawing-751BP-SOIC9 NB Datasheet +1

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	NCP1342ENACEFD1R2G

Control Features	Soft Start, Frequency Control
Fault Protection	Over Voltage, Over Load, Over Power, Over Temperature, Short Circuit, Current Limiting
Frequency - Switching	500 kHz
Internal Switch(s)	False
Mounting Type	Surface Mount
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Isolation	Isolated
Package / Case	10-SOP
Package / Case	9 PC Pad
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Supplier Device Package	9-SOIC
Topology	Flyback
Voltage - Breakdown	700 V
Voltage - Start Up	17 V
Voltage - Supply (Vcc/Vdd) [Max]	28 V
Voltage - Supply (Vcc/Vdd) [Min]	9 V

NCP1342 Series

Quasi-Resonant Flyback Controller with Valley Lock-Out Switching

Part	Control Features	Output Isolation	Operating Temperature [Min]	Operating Temperature [Max]	Frequency - Switching	Fault Protection	Package / Case	Package / Case	Package / Case [x]	Package / Case [y]	Voltage - Breakdown	Mounting Type	Voltage - Start Up	Supplier Device Package	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Topology
ON Semiconductor NCP1342AMDADGD1R2G	Frequency Control Soft Start	Isolated	-40 °C	125 ¯C	500 kHz	Current Limiting Over Load Over Power Over Temperature Over Voltage Short Circuit	10-SOP	9 PC Pad	0.154 in	3.9 mm	700 V	Surface Mount	17 V	9-SOIC	28 V	9 V	Flyback
ON Semiconductor NCP1342ANACCED1R2G	Frequency Control Soft Start	Isolated	-40 °C	125 ¯C	500 kHz	Current Limiting Over Load Over Power Over Temperature Over Voltage Short Circuit	10-SOP	9 PC Pad	0.154 in	3.9 mm	700 V	Surface Mount	17 V	9-SOIC	28 V	9 V	Flyback
ON Semiconductor NCP1342DADBDD1R2G	EN Frequency Control Soft Start Sync	Isolated	-40 °C	125 ¯C	500 kHz	Current Limiting Over Load Over Power Over Temperature Over Voltage Short Circuit	10-SOP	9 PC Pad	0.154 in	3.9 mm		Surface Mount	17 V	9-SOIC	28 V	9 V	Flyback
ON Semiconductor NCP1342AMDCDHD1R2G	Frequency Control Soft Start	Isolated	-40 °C	125 ¯C	500 kHz	Current Limiting Over Load Over Power Over Temperature Over Voltage Short Circuit	10-SOP	9 PC Pad	0.154 in	3.9 mm	700 V	Surface Mount	17 V	9-SOIC	28 V	9 V	Flyback
ON Semiconductor NCP1342ENACEFD1R2G	Frequency Control Soft Start	Isolated	-40 °C	125 ¯C	500 kHz	Current Limiting Over Load Over Power Over Temperature Over Voltage Short Circuit	10-SOP	9 PC Pad	0.154 in	3.9 mm	700 V	Surface Mount	17 V	9-SOIC	28 V	9 V	Flyback
ON Semiconductor NCP1342ANDCDAD1R2G	Frequency Control Soft Start	Isolated	-40 °C	125 ¯C	500 kHz	Current Limiting Over Load Over Power Over Temperature Over Voltage Short Circuit	10-SOP	9 PC Pad	0.154 in	3.9 mm	700 V	Surface Mount	17 V	9-SOIC	28 V	9 V	Flyback
ON Semiconductor NCP1342ANDAAD1R2G	EN Frequency Control Soft Start Sync	Isolated	-40 °C	125 ¯C	500 kHz	Current Limiting Over Load Over Power Over Temperature Over Voltage Short Circuit	10-SOP	9 PC Pad	0.154 in	3.9 mm		Surface Mount	17 V	9-SOIC	28 V	9 V	Flyback
ON Semiconductor NCP1342BMDCDD1R2G	Frequency Control Soft Start	Isolated	-40 °C	125 ¯C	500 kHz	Current Limiting Over Load Over Power Over Temperature Over Voltage Short Circuit	10-SOP	9 PC Pad	0.154 in	3.9 mm	700 V	Surface Mount	17 V	9-SOIC	28 V	9 V	Flyback

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.37
		10	$ 1.22
		25	$ 1.16
		100	$ 0.89
		250	$ 0.79
		500	$ 0.75
		1000	$ 0.58
	Digi-Reel®	1	$ 1.98
		10	$ 1.22
		25	$ 1.03
		100	$ 0.83
		250	$ 0.73
		500	$ 0.67
		1000	$ 0.62
	Tape & Reel (TR)	2500	$ 0.55
		5000	$ 0.53
		12500	$ 0.51
Newark	Each	2500	$ 0.56
		10000	$ 0.55
ON Semiconductor	N/A	1	$ 0.48

Description

General part information

NCP1342 Series

Quasi-Resonant Flyback Controller with Valley Lock-Out Switching

Documents

Technical documentation and resources

Package Drawing-751BP-SOIC9 NB

Package Drawing