TOP257YN Power Integrations, TOP257YN Datasheet - Page 3

IC OFFLINE SWIT PROG OVP TO220

TOP257YN

Manufacturer Part Number
TOP257YN
Description
IC OFFLINE SWIT PROG OVP TO220
Manufacturer
Power Integrations
Series
TOPSwitch®-HXr
Type
Off Line Switcherr
Datasheet

Specifications of TOP257YN

Output Isolation
Isolated
Frequency Range
119 ~ 145kHz
Voltage - Output
700V
Power (watts)
157W
Operating Temperature
-40°C ~ 150°C
Package / Case
TO-220-7 (Formed Leads), 5 Leads
Output Voltage
700 V
Input / Supply Voltage (max)
9 V
Input / Supply Voltage (min)
- 0.3 V
Duty Cycle (max)
78 %
Switching Frequency
132 KHz
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
Through Hole
Maximum Operating Temperature
+ 150 C
Minimum Operating Temperature
- 40 C
Output Current
5.44 A
Output Power
157 W
For Use With
596-1193 - KIT REF DESIGN TOP HX FOR TOP258
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
596-1188-5

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TOP257YN
Manufacturer:
POWER
Quantity:
21 000
Company:
Part Number:
TOP257YN
Quantity:
8 000
Functional Block Diagram ....................................................................................................................................... 4
Pin Functional Description ...................................................................................................................................... 6
TOPSwitch-HX Family Functional Description ....................................................................................................... 7
Typical Uses of FREQUENCY (F) Pin ...................................................................................................................... 15
Typical Uses of VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pins .......................................... 16
Typical Uses of MULTI-FUNCTION (M) Pin ........................................................................................................... 18
Application Examples .............................................................................................................................................. 21
Key Application Considerations .............................................................................................................................. 25
Product Specifi cations and Test Conditions .......................................................................................................... 32
Typical Performance Characteristics .................................................................................................................... 39
Package Outlines .................................................................................................................................................... 43
Part Ordering Information ........................................................................................................................................ 47
www.powerint.com
CONTROL (C) Pin Operation .................................................................................................................................... 8
Oscillator and Switching Frequency .......................................................................................................................... 8
Pulse Width Modulator ............................................................................................................................................ 9
Maximum Load Cycle .............................................................................................................................................. 9
Error Amplifi er .......................................................................................................................................................... 9
On-Chip Current Limit with External Programmability ............................................................................................... 9
Line Under-Voltage Detection (UV) .......................................................................................................................... 10
Line Overvoltage Shutdown (OV) ............................................................................................................................ 11
Hysteretic or Latching Output Overvoltage Protection (OVP)................................................................................... 11
Line Feed-Forward with DC
Remote ON/OFF and Synchronization .................................................................................................................... 13
Soft-Start ............................................................................................................................................................... 13
Shutdown/Auto-Restart ......................................................................................................................................... 13
Hysteretic Over-Temperature Protection ................................................................................................................. 13
Bandgap Reference ............................................................................................................................................... 13
High-Voltage Bias Current Source .......................................................................................................................... 13
A High Effi ciency, 35 W, Dual Output – Universal Input Power Supply ..................................................................... 21
A High Effi ciency, 150 W, 250-380 VDC Input Power Supply .................................................................................. 22
A High Effi ciency, 20 W Continuous – 80 W Peak, Universal Input Power Supply ................................................... 23
A High Effi ciency, 65 W, Universal Input Power Supply ........................................................................................... 24
TOPSwitch-HX vs.TOPSwitch-GX ....................................................................................................................... . 25
TOPSwitch-HX Design Considerations .................................................................................................................. 26
TOPSwitch-HX Layout Considerations ................................................................................................................... 27
Quick Design Checklist .......................................................................................................................................... 31
Design Tools .......................................................................................................................................................... 31
MAX
Reduction .............................................................................................................. 13
Section List
TOP252-262
Rev. F 01/09
3

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