LNK305P View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

MFG CO.

LNK305P

Lowest Component Count, Energy-Efficient Off-Line Switcher IC

Power Integrations, Inc 

1 2 3 4 5 6 7 8 9 10 Next

LNK302/304-306

BYPASS

(BP)

6.3 V

FEEDBACK

(FB)

1.65 V -VT

JITTER

CLOCK

DCMAX

OSCILLATOR

Figure 2a. Functional Block Diagram (LNK302).

REGULATOR

5.8 V

DRAIN

(D)

5.8 V

4.85 V

BYPASS PIN

UNDER-VOLTAGE

+

-

CURRENT LIMIT

COMPARATOR

VILIMIT

THERMAL

SHUTDOWN

SQ

RQ

LEADING

EDGE

BLANKING

SOURCE

(S)

PI-3904-020805

BYPASS

(BP)

FAULT

PRESENT

AUTO-

RESTART

COUNTER

CLOCK

RESET

6.3 V

FEEDBACK

(FB)

1.65 V -VT

JITTER

CLOCK

DCMAX

OSCILLATOR

Figure 2b. Functional Block Diagram (LNK304-306).

22-2

Rev. I 11/08

REGULATOR

5.8 V

DRAIN

(D)

5.8 V

4.85 V

BYPASS PIN

UNDER-VOLTAGE

+

-

CURRENT LIMIT

COMPARATOR

VILIMIT

THERMAL

SHUTDOWN

SQ

RQ

LEADING

EDGE

BLANKING

SOURCE

(S)

PI-2367-021105

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