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reference designTPS560200 | Demoboard PMP8678

Texas Instruments TPS560200 | Demoboard PMP8678

High Voltage Input (184Vac…707Vac) to 12V@1A, 3.3V@100mA Non-isolated Flyback Reference Design

Overview

TopologyBuck Converter
Input voltage12 V
Output 13.3 V / 0.1 A
IC revisionC

Description

The UCC28720 is a quasi resonant controller and is specialized to drive high voltage BJTs. When the drain voltage is higher than 1KV, BJTs are the best choice for low to mid power flyback converters. In this case two voltages are supplied: 12V@1A and 3.3V@100mA.

Features

remark: bom and schematic is added.

Over 84% efficiency at full loadOver 70% efficiency at 10% loadProvides 12V and 3.3V outputsWorks continuously up to 440Vac input and survives 1KVpeak surge

More information

Parts approved by Texas Instruments

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Product series
L(µH)
IR(A)
ISAT(A)
RDC max.(Ω)
VT(V (AC))
fres(MHz)
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74408942470
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Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-SPC SMT Power Inductor
Inductance47 µH
Rated Current0.66 A
Saturation Current1 A
DC Resistance0.608 Ω
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Self Resonant Frequency10 MHz
VersionSMT 
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750314382
SPECFlyback Transformer, 4500 µH, –
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Downloads4 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product series Flyback Transformer
Inductance4500 µH
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Saturation Current0.48 A
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Insulation Test Voltage3300 V (AC)
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