TOP244YN Power Integrations, TOP244YN Datasheet - Page 2

• Manufacturer Part Number: TOP244YN
• Description: IC OFFLINE SWIT UVLO HV TO220
• Manufacturer: Power Integrations
• Series: TOPSwitch®-GXr
• Type: Off Line Switcherr

Specifications of TOP244YN

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 700V
• Power (watts): 65W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: TO-220-7 (Formed Leads), 5 Leads
• Output Voltage: 12 V
• Input / Supply Voltage (max): 265 VAC
• Input / Supply Voltage (min): 85 VAC
• Duty Cycle (max): 83 %
• Switching Frequency: 132 KHz
• Supply Current: 1.6 mA
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: Through Hole
• Supply Voltage: 265VAC
• No. Of Pins: 6
• No. Of Regulated Outputs: 1
• Filter Terminals: Through Hole
• Output Voltage Max: 700V
• Rohs Compliant: Yes
• On Resistance Rds(on): 5.2ohm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1073-5

Functional Block Diagram ....................................................................................................................................... 3
Pin Functional Description ...................................................................................................................................... 4
TOPSwitch-GX Family Functional Description ....................................................................................................... 5
Using Feature Pins ................................................................................................................................................... 10
Typical Uses of FREQUENCY (F) Pin ...................................................................................................................... 14
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins ...................................................... 15
Typical Uses of MULTI-FUNCTION (M) Pin ........................................................................................................... 17
Application Examples .............................................................................................................................................. 20
Key Application Considerations ............................................................................................................................. 26
Product Specifications and Test Conditions ......................................................................................................... 33
Typical Performance Characteristics .................................................................................................................... 40
Part Ordering Information ....................................................................................................................................... 46
Package Outlines ..................................................................................................................................................... 47
2
TOP242-250
CONTROL (C) Pin Operation .................................................................................................................................. 6
Oscillator and Switching Frequency ........................................................................................................................ 6
Pulse Width Modulator and Maximum Duty Cycle .................................................................................................. 7
Light Load Frequency Reduction ............................................................................................................................ 7
Error Amplifier ......................................................................................................................................................... 7
On-Chip Current Limit with External Programmability ............................................................................................ 7
Line Under-Voltage Detection (UV) ......................................................................................................................... 8
Line Overvoltage Shutdown (OV) ........................................................................................................................... 8
Line Feed-Forward with DC
Remote ON/OFF and Synchronization ................................................................................................................... 9
Soft-Start ................................................................................................................................................................. 9
Shutdown/Auto-Restart ........................................................................................................................................... 9
Hysteretic Over-Temperature Protection ................................................................................................................. 9
Bandgap Reference .............................................................................................................................................. 10
High-Voltage Bias Current Source ........................................................................................................................ 10
FREQUENCY (F) Pin Operation ........................................................................................................................... 10
LINE-SENSE (L) Pin Operation ............................................................................................................................ 10
EXTERNAL CURRENT LIMIT (X) Pin Operation .................................................................................................. 11
MULTI-FUNCTION (M) Pin Operation .................................................................................................................. 11
A High Efficiency, 30 W, Universal Input Power Supply ........................................................................................ 20
A High Efficiency, Enclosed, 70 W, Universal Adapter Supply .............................................................................. 20
A High Efficiency, 250 W, 250-380 VDC Input Power Supply ............................................................................... 22
Multiple Output, 60 W, 185-265 VAC Input Power Supply .................................................................................... 23
Processor Controlled Supply Turn On/Off ............................................................................................................. 24
TOPSwitch-II vs. TOPSwitch-GX .......................................................................................................................... 26
TOPSwitch-FX vs. TOPSwitch-GX ....................................................................................................................... 28
TOPSwitch-GX Design Considerations ............................................................................................................... 28
TOPSwitch-GX Layout Considerations ................................................................................................................. 30
Quick Design Checklist ......................................................................................................................................... 32
Design Tools ......................................................................................................................................................... 32
O
11/05
MAX
Reduction .............................................................................................................. 8
Section List