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LNK362-364 Datasheet(PDF) 2 Page - Power Integrations, Inc. |
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LNK362-364 Datasheet(HTML) 2 Page - Power Integrations, Inc. |
2 / 16 page ![]() LNK362-364 B 11/05 2 PI-4232-110205 CLOCK JITTER OSCILLATOR 5.8 V 4.8 V SOURCE (S) S R Q DCMAX BYPASS (BP) FAULT PRESENT + - VI LIMIT LEADING EDGE BLANKING THERMAL SHUTDOWN + - DRAIN (D) REGULATOR 5.8 V BYPASS PIN UNDER-VOLTAGE CURRENT LIMIT COMPARATOR FEEDBACK (FB) Q 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 FB D S BP S S S P Package (DIP-8B) G Package (SMD-8B) 8 5 7 1 4 2 3 Figure 2. Functional Block Diagram. |