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Subject: |
Power Supply DELTA |
date |
September 2011 |
Theo Heijnen
Consumer Care
Overview
Supplier: Delta |
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Article Id |
Description |
Remarks |
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2722 171 90337 |
MOD PSL 32 DPS-93BP A B |
Blockbuster - 32PFL66X6H/T/M/K / |
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2722 171 90338 |
MOD PSL 42 DPS-139AP A B |
Sundance - 42PFL74X6/H/T/M/K / |
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2722 171 90339 |
MOD PSL 47 DPS-186FP A B |
Infinity - 42/47PFL7XX6 / Infinity - |
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42PDL7906H/T/M/K |
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2722 171 90311 |
MOD PSU DPS-300AP-59 A B |
58PFL9955H/D & 9956H/T |
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8204 001 56651 |
MOD PSL DPS-318AP B |
46PFL9706H/T/M/K & |
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52PFL9606H/T/M/K |
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CONFIDENTIAL |
Consumer Care, Reference |
2 |
Block Diagram
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Protection for Output |
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@ OVP/OCP/Short/OPP |
PS-on/off |
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Standby-3.3Vdc (0.2A) |
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PFC |
Main Power |
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12Vdc (2A) |
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AC input |
EMI Filter |
IC801 |
IC901 |
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24Vdc5B(0.65A) |
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NCP1608 |
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ICE3BS03LJG |
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Main power Feedback |
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IC702 |
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Protection for BULK CAP |
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DDA009 |
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OVP/output OPP |
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LED Driver |
Two light bar 118Vdc |
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Feedback |
BL_Dimming |
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( LED Integrated Power Supply ) |
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Sense |
Protection |
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for Line@ Open/ |
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Short//OVP/UC |
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CONFIDENTIAL |
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Consumer Care, Reference |
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3 |
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Output & Load condition
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CONFIDENTIAL |
Consumer Care, Reference |
4 |
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Schematics_1/2
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CONFIDENTIAL |
Consumer Care, Reference |
5 |
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Schematics_2/2
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CONFIDENTIAL |
Consumer Care, Reference |
6 |
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EMI CIRCUIT
EMI stage
Key components for EMI solution: CX1& CX2 FL1 & FL2
Varistor Z1 is used to to protect against high-voltage transients and surges.
NTC1 is a negative temperature coefficient resistor in series with the line to limit the inrush current when PSU first turn on.
CONFIDENTIAL |
Consumer Care, Reference |
7 |
PFC CIRCUIT
FLYBACK CIRCUIT_1/2
CONFIDENTIAL |
Consumer Care, Reference |
9 |
FLYBACK CIRCUIT_2/2
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CONFIDENTIAL |
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Consumer Care, Reference |
10 |
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