PowerInt's TOPSWITCH-JX Series (TOP264-271) integrates 725V power MOSFET, high-voltage switching current source, multi-mode PWM control, thermal shutdown circuit, fault protection, and other control circuits, 265 VAC voltages have low power consumption TopSwitch-JX Series (TOP264-271) main features, block diagrams, general input efficient 19V 65W anti-excited power circuit diagram and circuit diagram of TOP265EG 12V 30W high-efficiency standby power design cases.topswitch-jx TOP264-271 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.TOPSwitch-JX series key features: EcoSmart® - Energy Efficient • 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 VACHigh 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 fil ter cost • Fully integrated soft-start for minimum startup stress • 725 V rated MOSFET • Simplifies meeting design derating requirementsExtensive 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) • Heat transfer to both PCB and heat sink • Optional external heat sink provides thermal impedance equivalent to a tO-220 • eSIP®-7C package: • 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 SOUR CE for low emi Figure 1.Topswitch-jx series function block diagram (E and V package). Figure 2.Topswitch-jx series universal input efficient 19V 65W anti-excited power circuit diagram adopts TOPSWITCH-JX series TOP265EG 12V 30W high-efficiency standby power design case 12V 30W design Case main features: highly energy effect 1582.90% Efficiency >87% Above 10% load Average Efficiency >90% (25%, 50%, 75%, 100% load point) no -load input power <100 mW Simplifies meeting ENERGY STAR 2.0, 80 Plus and EuP requirements 725 V MOSFET rating allowed high turns ratio (VOR) and use of 60 V Schottky output diode Low cost, low component count and small PCB footprint solution Performance met without synchronous output rectification 132 kHz operation optimized core size and efficiency performance Low-profile eSIP packageIntegrated Protection and Reliability Features Line under-voltage lock out (UVLO) Primary sensed latching output overvoltage shutdown (OVP) with fast Ac Reset Auto Recovery Output over Current (OCP) Meets Limited Power Source (LPS) <100 Va Requirement with a single point of failure Accu Rate Thermal Shutdown With Large Hysteresis Figure 3. Design Cases PCB Outline (2.97 x 2.14 吋). Design Power Indicators: Figure 4. 12V 30W Design Case Circuit Diagram Design Case Material List: Figure 5. 12V 30W Design Case Transformer Power Box, Technology Zone
On Mu, the SiC, GaN, and Three Levels brought by Siqiang reach your efficiency.
How to prevent switching power supply noise by using secondary output filters
Ceramic vertical mount package (CVMP) welding precautions and layout
Mathematical modeling and loop compensation design of DC-DC converters
What are the commonly used benchmark regulated power?
Our other product:
