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TOP242-249
TOPSwitch®-GX Family
Extended Power, Design Flexible, EcoSmart®, Integrated Off-line Switcher
®
Product Highlights
Lower System Cost, High Design Flexibility • Extended power range to 250 W • Features eliminate or reduce cost of external components • Fully integrated soft-start for minimum stress/overshoot • Externally programmable accurate current limit • Wider duty cycle for more power, smaller input capacitor • Separate line sense and current limit pins on Y/R packages • Line under-voltage (UV) detection: no turn off glitches • Line overvoltage (OV) shutdown extends line surge limit • Line feed forward with maximum duty cycle (DCMAX)
reduction rejects line ripple and limits DC at high line MAX
• Frequency jittering reduces EMI and EMI filtering costs • Regulates to zero load without dummy loading • 132 kHz frequency reduces transformer/power supply size • Half frequency option in Y/R packages for video applications • Hysteretic thermal shutdown for automatic fault recovery • Large thermal hysteresis prevents PC board overheating
EcoSmart - Energy Efficient • Extremely low consumption in remote off mode
(80 mW @ 110 VAC, 160 mW @ 230 VAC) • Frequency lowered with load for high standby efficiency • Allows shutdown/wake-up via LAN/input port
Description
TOPSwitch-GX uses the same proven topology as TOPSwitch, cost effectively integrating the high voltage power MOSFET, PWM control, fault protection and other control circuitry onto a single CMOS chip. Many new functions are integrated to reduce system cost and improve design flexibility, performance and energy efficiency.
Depending on package type, the TOPSwitch-GX family has either 1 or 3 additional pins over the standard DRAIN, SOURCE and CONTROL terminals. allowing the following functions: line sensing (OV/UV, line feedforward/DC max reduction), accurate externally set current limit, remote on/off, and synchronization to an external lower frequency and frequency selection (132 kHz/66 kHz).
+
AC DC IN OUT
-
DL
TOPSwitch-GX
CONTROL C
S XF
Figure 1. Typical Flyback Application.
PI-2632-060200
OUTPUT POWER TABLE
PRODUCT3
230 VAC ±15%4
85-265 VAC
Adapter1
Open Frame2
Adapter1
Open Frame2
TOP242 P or G 9 W TOP242 R 10 W TOP242 Y 10 W
15 W 22 W 22 W
6.5 W 7W 7W
10 W 14 W 14 W
TOP243 P or G 13 W TOP243 R 20 W TOP243 Y 13 W
25 W 43 W 45 W
9W 15 W 15 W
15 W 23 W 30 W
TOP244 P or G 16 W TOP244 R 28 W TOP244 Y 30 W
30 W 52 W 65 W
11 W 18 W 20 W
20 W 28 W 45 W
TOP245 R TOP245 Y
33 W 58 W 20 W 32 W 40 W 85 W 26 W 60 W
TOP246 R TOP246 Y
37 W 65 W 24 W 36 W 60 W 125 W 40 W 90 W
TOP247 R TOP247 Y
41 W 73 W 26 W 43 W 85 W 165 W 55 W 125 W
TOP248 R TOP248 Y
43 W 78 W 28 W 48 W 105 W 205 W 70 W 155 W
TOP249 R TOP249 Y
45 W 82 W 30 W 52 W 120 W 250 W 80 W 180 W
All package types provide the following transparent features: Soft-start, 132 kHz switching frequency (automatically reduced at light load), frequency jittering for lower EMI, wider DCMAX.