LNK362-364 datasheet(2/16 Pages) POWERINT | Energy Efficient, Low Power Off-Line Switcher IC

Part No.	LNK362-364

Description	Energy Efficient, Low Power Off-Line Switcher IC

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Manufacturer	POWERINT [Power Integrations, Inc.]

Direct Link	http://www.powerint.com

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LNK362-364

11/05

PI-4232-110205

CLOCK

JITTER

OSCILLATOR

5.8 V

4.8 V

SOURCE

(S)

DCMAX

BYPASS

(BP)

FAULT

PRESENT

LIMIT

LEADING

EDGE

BLANKING

THERMAL

SHUTDOWN

DRAIN

(D)

REGULATOR

5.8 V

BYPASS PIN

UNDER-VOLTAGE

CURRENT LIMIT

COMPARATOR

FEEDBACK

(FB)

6.3 V

RESET

AUTO-

RESTART

COUNTER

VFB -VTH

CLOCK

Figure 3. Pin Conﬁguration.

Pin Functional Description

DRAIN (D) Pin:

Power MOSFET drain connection. Provides internal operating

current for both start-up and steady-state operation.

BYPASS (BP) Pin:

Connection point for a 0.1 µF external bypass capacitor for the

internally generated 5.8 V supply. If an external bias winding is

used, the current into the BP pin must not exceed 1 mA.

FEEDBACK (FB) Pin:

During normal operation, switching of the power MOSFET is

controlled by this pin. MOSFET switching is disabled when a

current greater than 49 µA is delivered into this pin.

SOURCE (S) Pin:

This pin is the power MOSFET source connection. It is also the

ground reference for the BYPASS and FEEDBACK pins.

PI-3491-111903

P Package (DIP-8B)

G Package (SMD-8B)

Figure 2. Functional Block Diagram.

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LNK362-364 Datasheet(PDF) 2 Page - Power Integrations, Inc.

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