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PT2208

PowTech
Part Number PT2208
Manufacturer PowTech
Description Primary Side CC/CV Regulator
Published Jul 19, 2014
Detailed Description PT2208 Primary Side CC/CV Regulator GENERAL DESCRIPTION The PT2208 is a high performance AC/DC power supply controller w...
Datasheet PDF File PT2208 PDF File

PT2208
PT2208

Overview
PT2208 Primary Side CC/CV Regulator GENERAL DESCRIPTION The PT2208 is a high performance AC/DC power supply controller which integrates a 730V power switch.
PT2208 is targeted to 5-7W designed for flyback topology, and regulates output current/voltage without the secondary feedback loop.
The ultra-low operating current at light load ensures that the PT2208 is ideal for applications targeting the newest regulatory standards for average efficiency and standby power.
The PT2208 integrates line and primary inductance compensation and ensures output current free of line voltage and primary inductance variation.
The output cable compensation is intergrated.
The output regulation can be controlled within 3% using proprietary compensation technology.
The PT2208 integrated HV MOS and Cycle by Cycle Current Limit, VDD UV protection, OVP protection and Voltage Clamp to improve reliability.
The PT2208 is available in a SOP8 package.
FEATURES z z z z z z z z z z High Constant Current/Voltage Accuracy (+/-3%) frequency jittering(+/-4%) Integrated primary inductance compensation Internal output cable c compensation Leading edge blanking function High Voltage startup circuit Cycle by Cycle Current Limit VDD OVP Protection Standby Power less than 120mW@220Vac Output short Protection APPLICATIONS z z z z AC/DC LED lighting AC-DC RCC chargers replacement Power Adapters and Battery Chargers Standby and Auxiliary Suppliers ORDERING INFORMATION PACKAGE SOP8 Note: xxxxx X TEMPERATURE RANGE -20˚C to +85˚C ORDERING PART NUMBER PT2208ESOH TRANSPORT MEDIA 2500 Tape and Reel MARKING PT2208 xxxxxX Assembly Factory Code Lot Number TYPICAL APPLICATION CIRCUIT .
AC EMI Filter 1 2 CS DRAIN 8 7 PT2208 FB DRAIN 3 COMP GND 6 4 VDD GND 5 China Resources Powtech (shanghai) Co.
Ltd PT2208_DSB Rev EN1.
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CRPOWTECH.
COM Page 1 PT2208 Primary Side CC/CV Regulator PIN ASSIGNMENT 1 2 3 4 CS DRAIN 8 7 6 5 PT2208 FB COMP VDD DRAIN GND GND SOP8 PIN DESCRIPTIONS PIN No.
1 2 3 ...


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