CP-520
V
Service Manual
29
4.
5
STR -
W6754
4.5.1 GENERAL DESCRIPTION
The STR-W6754 is a quasi-resonant regulator specifically designed
to satisfy the requirements for increased integration and reliability in
switch-mode power supplies. It incorporates a primary control and drive
circuit with an avalanche-rated power MOSFET.
4.5.2 FEATURES
4.5.3 BLOCK DIAGRAM
• Auto-Bias Function Stable Burst Operation Without Generating Interference
• Internal Off-Timer Circuit
• Built-In Constant-Voltage Drive
• Multiple Protections: Pulse-by-Pulse Overcurrent Protection
Overload Protection with Auto Recovery
Latching Overvoltage Protection
Undervoltage Lockout with Hysteresis
• RoHS Compliant
Summary of Contents for DTX-21B4
Page 17: ...CP 520V Service Manual 16 4 1 2 BLOCK DIAGRAM ...
Page 26: ...CP 520V Service Manual 25 Block diagram LA42032 ...
Page 33: ...CP 520V Service Manual 32 5 CIRCUIT DESCRIPTION 5 1 BLOCK DIAGRAM ...
Page 53: ...CP 520V Service Manual 7 Exploded View 52 7 1 DTX 21G2 ...
Page 54: ...CP 520V Service Manual Exploded View 53 7 2 DTX 21B4 ...
Page 55: ...CP 520V Service Manual Exploded View 54 7 3 DTX 21U7 ...
Page 56: ...CP 520V Service Manual 8 Printed Circuit Board 55 8 1 4859813693 OLD PCB ...
Page 57: ...CP 520V Service Manual Printed Circuit Board 56 8 2 4859816393 NEW PCB ...
Page 58: ...CP 520V Service Manual 9 Schematic Diagram 57 ...