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Texas Instruments UCC28740DR | Demoboard PMP20396
400V Input, 50W Output Multiple-Output Bias Supply Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 100-400 V |
| Switching frequency | 91-106 kHz |
| IC revision | B |
Description
PMP20396 is a multiple-output isolated bias supply reference design. With 100V or above input voltage, this design can provide maximum 2W output power. With 300V or above input voltage, this design can provide maximum 50W output power. Four different outputs are provided in this design - 5V/500mA and 12V/50mA at primary side and 5V/700mA and 12V/4000mA at secondary side. Peak 90% efficiency is achieved in this design.
Features
- 2W maximum output power with 100V or 400V input
- 50W maximum output power with 300V to 400V input
- 90% peak efficiency
- Multiple-output - 5V/500mA, 12V/50mA at primary, 5V/700mA, 12V/4000mA at secondary
Typical applications
- USB-Compliant Adapters and Chargers for Consumer Electronics / White Goods
- Standby Supply for TV and Desktop
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | IR(A) | ISAT(A) | fres(MHz) | Mount | n | L(µH) | ∫Udt(µVs) | VT(V (AC)) | CWW 1(pF) | LS(µH) | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 470 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance470 nF | Capacitance±10% | Rated Voltage50 V (DC) | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance1.1 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | Size0805 | |||||
| WCAP-CSGP MLCCs 25 V(DC), 10 µF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance10 µF | Capacitance±10% | Rated Voltage25 V (DC) | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.01 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width1.6 mm | Height1.6 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | Size1206 | |||||
 | WE-TPC SMT Tiny Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | – | Length2.8 mm | Width2.8 mm | Height2.8 mm | – | – | Rated Current1.8 A | Saturation Current2.4 A | Self Resonant Frequency130 MHz | MountSMT | – | Inductance2.2 µH | – | – | – | – | Size2828 | ||||
| WE-TPC SMT Tiny Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | – | Length2.8 mm | Width2.8 mm | Height2.8 mm | – | – | Rated Current1.1 A | Saturation Current1.3 A | Self Resonant Frequency59 MHz | MountSMT | – | Inductance6.8 µH | – | – | – | – | Size2828 | ||||
 | WE-GDTI Gate-Drive-Transformer, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-GDTI Gate-Drive-Transformer | – | – | Rated Voltage80 V (DC) | Operating Temperature -40 °C up to +125 °C | – | – | – | Length10.5 mm | Width10.5 mm | Height11 mm | – | – | – | – | – | MountSMT | Turns Ratio1:1 | Inductance750 µH | Voltage-µSecond102 µVs | Insulation Test Voltage2500 V (AC) | Interwinding Capacitance11 pF | Leakage Inductance4 µH | SizeEP7 |