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LNK302PN, LNK304, LNK3040GN

Table of contents:
Info of LNK302PN
Info of LNK304
Info of LNK3040GN

LNK302PN, LNK304, LNK3040GN Selling Leads, Datasheet

MFG:POWER Package Cooled:DIP-7 D/C:07+Rohs

LNK302PN, LNK304, LNK3040GN Datasheet download

Five Points

Part Number: LNK302PN

MFG: POWER

Package Cooled: DIP-7

D/C: 07+Rohs

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LNK304 General Description

LinkSwitch-TN 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.

LinkSwitch-TN devices integrate 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. The startup and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias supply and associated circuitry in buck or flyback converters. The fully integrated auto-restart circuit safely limits output power during fault conditions such as short-circuit or open loop, reducing component count and system-level load protection cost. A local supply provided by the IC 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.

LNK304 Maximum Ratings

DRAIN Voltage ....................................... - 0.3 V to 700 V
Peak DRAIN Current (LNK304) ....... 400 mA (750 mA) ⁽²⁾Peak DRAIN Current (LNK305) ..... 800 mA (1500 mA) ⁽²⁾Peak DRAIN Current (LNK306) ... 1400 mA (2600 mA)⁽²⁾
FEEDBACK Voltage ................................... - 0.3 V to 9 V
FEEDBACK Current .............................................100 mA
BYPASS Voltage ......................................... -0.3 V to 9 V
Storage Temperature .......................-65 °C to 150 °C
Operating Junction Temperature⁽³⁾ ..-40 °C to 150 °C
Lead Temperature⁽⁴⁾ ........................................260 °C

LNK304 Features

1) Output referenced to input
2) Positive output (V_O) with respect to +V_IN
3) Step up/down V_O > V_INor V_O < V _IN4) Optocoupler feedback
    - Accuracy only limited by reference choice
    - Low cost non-safety rated opto
    - No pre-load required
5) Fail-safe output is not subjected to input voltage if the internal MOSFET fails
6) Minimum no-load consumption

LNK304 Typical Application

• Appliances and timers
• LED drivers and industrial controls

LNK304 Connection Diagram

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