Product Summary

The LNK302PN is a Lowest Component Count, Energy-Efficient Off-Line Switcher IC. The LNK302PN is specifically designed to replace all linear and capacitor-fed (cap dropper) non-isolated power supplies in the under 360 mA output current range at equal system cost while offering much higher performance and energy efficiency. The LNK302PN integrates a 700 V power MOSFET, oscillator, simple On/Off control scheme, a high voltage switched current source, frequency jittering, cycle-by-cycle current limit and thermal shutdown circuitry onto a monolithic IC. A local supply provided by the LNK302PN allows use of a non-safety graded optocoupler acting as a level shifter to further enhance line and load regulation performance in buck and buck-boost converters, if required.

Parametrics

LNK302PN absolute maximum ratings: (1)DRAIN Voltage: -0.3 V to 700 V; (2)Peak DRAIN Current: 200 mA; (3)FEEDBACK Voltage: -0.3 V to 9 V; (4)FEEDBACK Current: 100 mA; (5)BYPASS Voltage: -0.3 V to 9 V; (6)Storage Temperature: -65 to 150℃; (7)Operating Junction Temperature: -40 to 150℃; (8)Lead Temperature: 260℃.

Features

LNK302PN features: (1)Fully integrated auto-restart for short-circuit and open loop fault protection saves external component costs; (2)uses a simplifi ed controller without auto-restart for very low system cost; (3)66 kHz operation with accurate current limit allows low cost off-the-shelf 1 mH inductor for up to 120 mA output current; (4)Tight tolerances and negligible temperature variation; (5)High breakdown voltage of 700 V provides excellent input surge withstand; (6)Frequency jittering dramatically reduces EMI (~10 dB); (7)minimizes EMI fi lter cost; (8)High thermal shutdown temperature (+135℃ minimum).

Diagrams

LNK302PN pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LNK302PN
LNK302PN
Power Integrations
AC/DC Switching Converters 63mA MDCM 80mA CCM
Data Sheet
0-1: $0.59
1-25: $0.51
25-100: $0.41
100-250: $0.33
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LNK302PN
LNK302PN
Power Integrations
AC/DC Switching Converters 63mA MDCM 80mA CCM
Data Sheet
0-1: $0.59
1-25: $0.51
25-100: $0.41
100-250: $0.33
LNK306DG
LNK306DG
Power Integrations
AC/DC Switching Converters 225 mA (MDCM) 360 mA (CCM)
Data Sheet
0-1: $1.01
1-25: $0.84
25-100: $0.67
100-250: $0.50
LNK305GN
LNK305GN
Power Integrations
AC/DC Switching Converters 175mA MDCM 280mA CCM
Data Sheet
0-1: $0.88
1-25: $0.75
25-100: $0.58
100-250: $0.43
LNK306DG-TL
LNK306DG-TL
Power Integrations
AC/DC Switching Converters 225 mA (MDCM) 360 mA (CCM)
Data Sheet
0-1880: $0.45
1880-2500: $0.43
LNK306DN-TL
LNK306DN-TL
Power Integrations
AC/DC Switching Converters 225 mA (MDCM) 360 mA (CCM)
Data Sheet
0-1860: $0.46
1860-2500: $0.46
LNK353PN
LNK353PN
Power Integrations
AC/DC Switching Converters 3W (85-265 VAC) 4W (230 VAC)
Data Sheet
0-1: $0.40
1-25: $0.36
25-100: $0.33
100-250: $0.30