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Eta Solutions Co. Ltd. ETA8076
High Frequency Quasi-Resonant PWM Controller for High Power Density Fly-Back Converters
Overview
| Topology | Flyback Converter |
| Input voltage | 90-264 V |
| Switching frequency | 130-150 kHz |
Description
ETA8076 is a high performance peak current mode PWM controller which meets the requirements for Off-Line low cost SMPS for 10W-65W power range. ETA8076 employs Quasi-Resonant and frequency fold-back technique to reduce EMI and improve average efficiency and meets the latest Level VI efficiency standard with enough margins and less than 75mW standby power.ETA8076 is a multi-mode DCM/QR controller. It has burst mode, PFM/PWM mode and constant current (CC) mode. ETA8076 is suit for small size fly-back converter applications by the aid of 130 KHz maximum operating frequency and QR control method. At no load and light load condition, it operates in Burst Mode to minimize switching loss. Its burst mode operation enables low standby power with small output voltage ripple. And it achieves very low standby power, good dynamic response and accurate voltage regulation with an opto-coupler and the secondary side control circuit.ETA8076 is professional for low cost flyback converter applications with wide output voltage range, such as PD or QC adaptor system because of its 7-77V widely VCC operation voltage range and auto loop gain compensation.ETA8076 integrates comprehensive protection. In case of over temperature, line over/under voltage, output over/under voltage, winding short, current sense resistor short/open and output short conditions, it would enter into auto restart operation. Cycle-by-Cycle current limiting ensures safe operation even during fault mode and recovering.ETA8076 is in a tiny SOT23-6 package.
Features
- DCM Quasi-Resonant Operation
- 7-77V VCC Wide Operation Voltage Range
- 130kHz Maximum Switching Frequency
- Constant Voltage (CV) and Constant Current (CC) Operation
- Adaptive Loop Gain Compensation
- Less Than 75mW Standby Power Consumption
- Built-in Adjustable Line Compensation
- Built-in Adjustable Slope Compensation
- Current Sense Resistor Short Protection
- Transformer Winding Short Protection
- Integrate Comprehensive Protection
- Built-in Soft-Start and Fast-Start Circuit
- Comply with DOE VI and CEC V5 AverageEfficiency Standards
- Tiny SOT23-6 Package
Typical applications
- High Power Density Adaptor, Quick-Charge Adapter, USB PD Adaptors, Conventional Adapter
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | Tol. C | Size | Qmin. | DF(%) | Ceramic Type | Fl(mm) | Operating Temperature | Q(%) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Ø D(mm) | Z(mΩ) | Interface Type | Type | Gender | Pins | PCB Thickness(mm) | Working Voltage(V (AC)) | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | VRMS(V) | VDC(V) | VBR(V) | IPeak(A) | Wmax(J) | PDiss(W) | VDE Approval | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Film Capacitors, Across the mains, 470 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance470 nF | Safety ClassX2 | Rate of Voltage Rise280 V/µs | Dissipation Factor0.1 % | Insulation Resistance21.28 GΩ | Pitch12.5 mm | PackagingBulk | Capacitance±10% | SizePitch 12.5 mm | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage275 V (AC) | – | – | Length15 mm | Width10 mm | Height16 mm | MountBoxed THT | – | – | – | – | – | – | – | ||||
 | WR-USB Standard Connectors, USB 3.0, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Standard Connectors | – | – | – | – | Insulation Resistance100 MΩ | – | PackagingTray | – | – | – | – | – | – | Operating Temperature -20 °C up to +85 °C | – | – | – | – | – | – | Interface TypeType A | TypeVertical | GenderReceptacle | Pins9 | PCB Thickness1.6 mm | Working Voltage30 V (AC) | Rated Current1.8 A | – | – | – | – | – | – | – | – | MountTHT | – | – | – | – | – | – | – | |||
 | WR-USB Type C Connectors, USB 3.1, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Type C Connectors | – | – | – | – | Insulation Resistance1000 MΩ | – | PackagingTape and Reel | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | Interface TypeType C | TypeHorizontal | GenderReceptacle | Pins24 | PCB Thickness1 mm | Working Voltage48 V (AC) | Rated Current5 A | – | – | – | – | – | – | – | – | MountTHR | – | – | – | – | – | – | – | |||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | SizeXS | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | Pins4 | – | – | Rated Current0.5 A | Inductance20 mH | DC Resistance1000 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15 mm | Width7.8 mm | Height17.5 mm | MountTHT | – | – | – | – | – | – | VDE Approval40042670 | ||||
 | WE-VD Disk Varistor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-VD Disk Varistor | – | – | – | – | – | – | – | – | Size10 mm | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | Diameter12.5 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | Length12.5 mm | Width4.6 mm | Height16 mm | MountTHT | AC Operating Voltage300 V | DC Operating Voltage385 V | (Reverse) Breakdown Voltage470 V | (Reverse) Peak Pulse Current2500 A | Energy Absorption70 J | Power Dissipation0.4 W | VDE ApprovalYes | ||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, 22 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance22 µF | – | – | – | – | Pitch5 mm | PackagingAmmopack | Capacitance±20% | – | – | Dissipation Factor15 % | – | – | – | – | Endurance 2000 | Ripple Current162 mA | Leakage Current264 µA | Diameter10 mm | – | – | – | – | – | – | – | – | – | – | Rated Voltage400 V (AC) | – | – | Length25 mm | – | – | – | – | – | – | – | – | – | – | ||||
 | WCAP-ATET Aluminum Electrolytic Capacitors, –, 2.2 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATET Aluminum Electrolytic Capacitors | Capacitance2.2 µF | – | – | – | – | Pitch2.5 mm | PackagingAmmopack | Capacitance±20% | – | – | Dissipation Factor7 % | – | – | – | – | Endurance 1000 | Ripple Current31 mA | Leakage Current3 µA | Diameter6.3 mm | – | – | – | – | – | – | – | – | – | – | Rated Voltage100 V (AC) | – | – | Length11 mm | – | – | – | – | – | – | – | – | – | – | ||||
 | WCAP-ASLI Aluminum Electrolytic Capacitors, –, 470 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | Capacitance470 µF | – | – | – | Insulation Resistance0.212766 MΩ | – | Packaging15" Tape & Reel | Capacitance±20% | Size8.0 x 10.5 | – | Dissipation Factor16 % | – | – | Operating Temperature -55 °C up to +105 °C | – | Endurance 2000 | Ripple Current590 mA | Leakage Current75.2 µA | Diameter8 mm | Impedance220 mΩ | – | – | – | – | – | – | – | – | – | Rated Voltage16 V (AC) | – | – | Length10.5 mm | Width8.3 mm | – | MountV-Chip SMT | – | – | – | – | – | – | – | ||||
| WCAP-CSGP MLCCs 25 V(DC), –, 10 pF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance10 pF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±5% | Size0603 | – | – | Ceramic TypeNP0 Class I | Pad Dimension0.4 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor600 % | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 100 pF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance100 pF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Q-Factor [1]600 | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 1 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance1 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Q-Factor [1]600 | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 100 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance100 nF | – | – | – | Insulation Resistance5 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Q-Factor [1]600 | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 1 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance1 µF | – | – | – | Insulation Resistance0.5 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Q-Factor [1]600 | Dissipation Factor10 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | |||||
 | WCAP-CSMH Mid and High Voltage, –, 1 nF | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | Capacitance1 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | Q-Factor [1]1000 | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage200 V (AC) | – | – | Length2 mm | Width1.25 mm | Height1.25 mm | – | – | – | – | – | – | – | – | |||
| WCAP-CSMH Mid and High Voltage, –, 1 nF | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | Capacitance1 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size1206 | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.6 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor600 % | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage1000 V (AC) | – | – | Length3.2 mm | Width1.6 mm | Height1.25 mm | – | – | – | – | – | – | – | – |