TOP264-271

TOPSwitch-JX Family

www.powerint.com

March 2010

for Highly Efficient Power Supplies

®

Product Highlights

•

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 startup 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

•

•

Low profile horizontal orientation for ultra-slim designs

Figure 1.

Typical Flyback Application.

•

Heat transfer to both PCB and heat sink

•

Optional external heat sink provides thermal impedance

equivalent to a TO-220

•

•

Vertical orientation for minimum PCB footprint

•

Simple heat sink mounting using clip provides thermal

impedance equivalent to a TO-220

•

Extended creepage to DRAIN pin

•

Heat sink is connected to SOURCE for low EMI

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.

PI-5578-090309

AC

IN

DC

OUT

D

S

C

TOPSwitch-JX

CONTROL

V

+

-

F

X

Table 1. Output Power Table.

Notes:

1. See Key Application Considerations section for more details.

2. Minimum continuous power in a typical non-ventilated enclosed adapter measured at +50 °C ambient temperature.

3. Minimum continuous power in an open frame design at +50 °C ambient temperature.

4. 230 VAC or 110/115 VAC with doubler.

5. Packages: E: eSIP-7C, V: eDIP-12. See Part Ordering Information section.

Output Power Table

85-265 VAC

85-265 VAC

Open

Open

Open

Open

TOP264VG

21 W

34 W

12 W

22.5 W

TOP264EG/VG

30 W

62 W

20 W

43 W

TOP265VG

22.5 W

36 W

15 W

25 W

TOP265EG/VG

40 W

81 W

26 W

57 W

TOP266VG

24 W

39 W

17 W

28.5 W

TOP266EG/VG

60 W

119 W

40 W

86 W

TOP267VG

27.5 W

44 W

19 W

32 W

TOP267EG/VG

85 W

137 W

55 W

103 W

TOP268VG

30 W

48 W

21.5 W

36 W

TOP268EG/VG

105 W

148 W

70 W

112 W

TOP269VG

32 W

51 W

22.5 W

37.5 W

TOP269EG/VG

128 W

162 W

80 W

120 W

TOP270VG

34 W

55 W

24.5 W

41 W

TOP270EG/VG

147 W

190 W

93 W

140 W

TOP271VG

36 W

59 W

26 W

43 W

TOP271EG/VG

177 W

244 W

118 W

177 W