DAK-33

TOPSwitch-GX Family ® Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher IC ® FEBRUARY 2006 UPDATE TYPICAL FLYBACK APPLICATION + DC OUT - AC IN L D CONTROL TOPSwitch-GX S X C F PI-2632-060200 PRODUCT FAMILY Applications: Charger, DVD, Set-Top Box, PC Standby, Broadband Modem, Notebook Adapter, LCD Monitor. 230 VAC ±15% PRODUCT Adapter Open Frame 85-265 VAC Open Frame Adapter PRODUCT HIGHLIGHTS • Extended power range for higher power applications • No heatsink required up to 34 W using P package • Tight temperature and absolute tolerance on critical parameters • Integrates high-voltage power MOSFET, PWM control, fault protection, and other control circuitry onto a monolithic IC • TO-220/262/263, DIP-8 & SMD-8 packages FEATURES & BENEFITS LOW SYSTEM COST, HIGH DESIGN FLEXIBILITY • 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 & current limit pins on Y/R/F packages • Line under-voltage (UV) detection for no turn-off glitches • Line overvoltage (OV) shutdown extends line surge limit • Line feed-forward with maximum duty cycle (DCMAX) reduction rejects ripple and limits DCMAX at high line • 132 kHz frequency reduces transformer/power supply size See Data Sheet for Additional Notes and Conditions EcoSmart® - ENERGY EFFICIENCY • 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 Y TO-220 www.powerint.com P PACKAGE OPTIONS G R DIP-8 SMD-8 TO-263 F TO-262 February 2006 TOPSwitch-GX Family Design Tools ® POWER SUPPLY DESIGN SOFTWARE With PI Expert™, you’re only “mouse-clicks” away from determining the key components in your next switching power supply design, including the best Power Integrations power IC and design details for the transformer! It’s fast & easy...and best of all, FREE! DESIGN ACCELERATOR KITS DAKs include a working prototype power supply, sample devices, unpopulated pcb, data sheet, comprehensive engineering report & other related documentation. DAK-12 145 W, PC Main Power Supply DAK-31 180 W, PC Main Power Supply DAK-32 20 W, Universal Input, DVD Supply, No Heatsink DAK-33 45 W, 12 V LCD Power Supply DAK-34 30 W, 12 V Universal Input Power Supply TOPSwitch-GX PRODUCT & DESIGN COLLATERAL* Data Sheet Application Notes Design Ideas TOP242-250 TOPSwitch-GX Family Data Sheet AN-29 TOPSwitch-GX Flyback Quick Selection Curves AN-30 TOPSwitch-GX Forward Design Methodology AN-32 TOPSwitch-GX Flyback Design Methodology DI-12 Application: Lead Acid Battery Charger Design (16 W, Universal Input) DI-16 Application: Set-top Box (57 W, 230 VAC Input) DI-17 Application: PC Standby (17 W) DI-20 Application: PC Main ATX (145 W) DI-21 Application: LCD Monitor Adapter (45 W, Universal Input) DI-22 Application: Laptop Adapter (70 W, 19 V, Universal Input) DI-23 Application: High Speed Modem (10 W, Universal Input) DI-26 Application: DVB-T (7 W, 230 VAC Input) DI-30 Application: PC Main SFX (180 W) DI-35 Application: Audio Amplifier w/ No Heatsink (16 W - 35 W Peak, Universal Input) DI-39 Application: DVD (13 W, Universal Input) DI-41 Application: Set-top Box (43 W, 100/115 VAC Input) DI-43 Application: Medium Power AC-DC Power Supply (30 W, Universal Input) DI-55 Application: DVD w/ No Heatsink (20 W, Universal Input) DI-66 Application: LCD Monitor (45 W, 90 - 265 VAC Input) DI-67 Application: LED Arrays (17.6 W, 108 - 132 VAC, 60 Hz Input) * Downloadable from www.powerint.com 2 www.powerint.com Design Idea DI-55 TOPSwitch-GX 20 W (25 W peak) DVD Supply ® Application Device Power Output Input Voltage Output Voltage Topology DVD TOP245P 20 W (25 W pk) 85-265 VAC 3.3 V / 5 V / 12 V / -24 V Flyback Design Highlights Operation • Simple, low cost, low part count solution • No heatsink required • Low EMI-frequency jitter allows EN55022B/FCC B compliance with simple EMI filter • High efficiency, >75% at 90 VAC • Low zero load power consumption,