Specification	NCP1342BMDCDD1R2G

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	$

Arrow	N/A	1	$ 0.42
Digikey	Cut Tape (CT)	1	$ 2.16
		10	$ 1.34
		25	$ 1.13
		100	$ 0.89
		250	$ 0.78
		500	$ 0.70
		1000	$ 0.64
	Digi-Reel®	1	$ 2.16
		10	$ 1.34
		25	$ 1.13
		100	$ 0.89
		250	$ 0.78
		500	$ 0.70
		1000	$ 0.64
	Tape & Reel (TR)	2500	$ 0.54
Newark	Each (Supplied on Cut Tape)	1	$ 2.25
		10	$ 1.40
		25	$ 0.95
		50	$ 0.88
		100	$ 0.80
		250	$ 0.72
		500	$ 0.68
		1000	$ 0.59
ON Semiconductor	N/A	1	$ 0.50

Description

General part information

NCP1342 Series

Quasi-Resonant Flyback Controller with Valley Lock-Out Switching

Documents

Technical documentation and resources

NCP1342BMDCDD1R2G

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NCP1342BMDCDD1R2G

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Technical Specifications

NCP1342 Series

Pricing

Description

NCP1342 Series

Documents

Product Change Notice EN

Technical Data Sheet EN

Datasheet

Datasheet

Package Drawing-751BP-SOIC9 NB

NCP1342 Series