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PT2204

Powtech
Part Number PT2204
Manufacturer Powtech
Description Primary Side CC/CV Regulator
Published Mar 19, 2014
Detailed Description PT2204 Primary Side CC/CV Regulator GENERAL DESCRIPTION The PT2204 is a primary side constant current/voltage regulator,...
Datasheet PDF File PT2204 PDF File

PT2204
PT2204

Overview
PT2204 Primary Side CC/CV Regulator GENERAL DESCRIPTION The PT2204 is a primary side constant current/voltage regulator, targeted to sub 4W AC-DC power suppliers applications.
It is designed for the flyback topology, and regulates output current/voltage without the secondary feedback loop.
In addition to providing the tight output regulation, the excellent low power control allows the PT2204 to meet all the global energy efficiency and standby power requirements.
The PT2204 provides accurate CV/CC regulation with built in compensation circuitry.
Integrated line and primary inductance compensation ensures output current free of line voltage and primary inductance variations.
More over, the integrated output cord resistance compensation further enhances output voltage accuracy.
A complete set of integrated protection functions allows the PT2204 to protect against all fault conditions including output short circuit, line under-voltage, and over temperature shut down.
The PT2204 is available in a SOP8 package.
FEATURES z z z z z z z z z z z z CC and CV Control Without Secondary Feed back Eliminates Compensation Network Standby power dissipation down to30 mW Integrates 600V Power switch Compensates Line Voltage Variation Compensates Inductor Variation in CC mode Compensates Output Cable Resistance VCC/FB Over Voltage Protection Short Circuit Protection Line Under Voltage Protection Cycle by Cycle Current Limit Over Temperature Protection APPLICATIONS z z z AC-DC RCC chargers replacement Power Adapters and Battery Chargers Standby and Auxiliary Suppliers ORDERING INFORMATION PACKAGE SOP8 Note: xxxxxX Assembly Factory Code Lot Number TEMPERATURE RANGE -40℃ to 85℃ ORDERING PART NUMBER PT2204ESOH TRANSPORT MEDIA Tape and Reel MARKING PT2204 xxxxxX TYPICAL APPLICATION CIRCUIT D3 AC 85 264V C1 R2 C2 C4 R6 DC out R1 D2 5V/1A D1 STAR T VCC FB SW SW PT220 4 R3 GND CRC R4 C3 R5 GND China Resources Powtech (shanghai) Co.
Ltd PT2204_DSB Rev EN0.
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