TOP264-271
TOPSwitch-JX
Family
™
Integrated Off-Line Switcher with EcoSmart Technology
for Highly Efficient Power Supplies
™
Product Highlights
EcoSmart – Energy Efficient
•
Ideal for applications from 10 W to 245 W
•
Energy efficient over entire load range
•
No-load consumption below 100 mW at 265 VAC
•
Up to 750 mW standby output power for 1 W input at 230 VAC
High Design Flexibility for Low System Cost
•
Multi-mode PWM control maximizes efficiency at all loads
•
132 kHz operation reduces transformer and power supply size
•
66 kHz option for highest efficiency requirements
•
Accurate programmable current limit
•
Optimized line feed-forward for line ripple rejection
•
Frequency jittering reduces EMI filter cost
•
Fully integrated soft-start for minimum start-up stress
•
725 V rated MOSFET
•
Simplifies meeting design derating requirements
Extensive Protection Features
•
Auto-restart limits power delivery to <3% during overload faults
•
Output short-circuit protection (SCP)
•
Output over-current protection (OCP)
•
Output overload protection (OPP)
•
Output overvoltage protection (OVP)
•
User programmable for hysteretic/latching shutdown
•
Simple fast AC reset
•
Primary or secondary sensed
•
Line undervoltage (UV) detection prevents turn-off glitches
•
Line overvoltage (OV) shutdown extends line surge withstand
•
Accurate thermal shutdown with large hysteresis (OTP)
Advanced Package Options
•
eDIP
™
-12 package:
•
43 W / 117 W universal input power output capability with
PCB / metal heat sink
•
Low profile horizontal orientation for ultra-slim designs
•
Heat transfer to both PCB and heat sink
•
Optional external heat sink provides thermal impedance
equivalent to a TO-220
•
eSIP
™
-7C package:
•
177 W universal input output power capability
•
Vertical orientation for minimum PCB footprint
•
Simple heat sink mounting using clip provides thermal
impedance equivalent to a TO-220
•
eSOP
™
-12 package:
•
66 W universal input output power capability
•
Low profile surface mounted for ultra-slim designs
•
Heat transfer to PCB via exposed pad and SOURCE pins
•
Supports wave or reflow soldering
•
Extended creepage to DRAIN pin
•
Heat sink is connected to SOURCE for low EMI
AC
IN
+
DC
OUT
-
D
V
CONTROL
TOPSwitch-JX
S
X
F
C
PI-5578-090309
Figure 1.
Typical Flyback Application.
eSIP-7C (E Package)
Figure 2.
eSOP-12 (K Package)
eDIP-12 (V Package)
Package Options.
Description
TOPSwitch-JX cost effectively incorporates a 725 V power
MOSFET, high-voltage switched current source, multi-mode
PWM control, oscillator, thermal shutdown circuit, fault
protection and other control circuitry onto a monolithic device.
Typical Applications
•
Notebook or laptop adapter
•
Generic adapter
•
Printer
•
LCD monitor
•
Set-top box
•
PC or LCD TV standby
•
Audio amplifier
Output Power Ratings
See next page.
www.powerint.com
October 2011