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Overview
| Topology | Other Topology |
| IC revision | 3 |
Description
The EV37F82A is intended to act as a reference design for the MCP1012, implementing a complete design with secondary microcontroller. The MCP1012 15W Reference Design demonstrates the ability of the MCP1012 (located on the primary side) to start up a 15W AC-DC Flyback Converter and then have it commanded by a microcontroller (located on the secondary side).The MCP1012 15W Reference Design provides a hardware and software platform to evaluate a novel method of isolated secondary side control. Two key components enable the startup and secondary side regulation of an isolated power supply, the Microchip MCP1012 and the Microchip patented integrated magnetic winding transformer built by Wurth Electronic.
Features
- MCP1012 uses an open-loop, constant off-time, peak current-mode current regulator
- MCP1012 uses a high voltage silicon process (0.5µ 5v/30v/700v) to develop a High Voltage (HV) Linear Regulator. The HV Linear Regulator will be rated for 700V, with an input at VIN and a regulated bias output at VDD.
- VDD is monitored by an Under-voltage Lockout (UVLO) feature
- VDD is monitored by an Over-voltage Lockout (OVLO) feature
- The device’s internal open-loop, peak current-mode current regulator operates in constant Off-Time mode. The duration of the Off-Time is internally fixed at 20µs typical
- MCP1012 provides a MOSFET Gate Driver (GATE)
- The Gate Driver can be commanded either by the internal open-loop, constant off-time peak current-mode current regulator circuitry or by an external PWM command via PULSE
More information
All technical functions in detail
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Wire Section | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | Tol. C | Size | Operating Temperature | Q(%) | DF(%) | Ceramic Type | Fl(mm) | IRP,40K(A) | ISAT(A) | fres(MHz) | Version | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Ø D(mm) | Z(mΩ) | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(mΩ) | Type | IR(A) | L(µH) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Pins2 | – | – | – | – | – | – | – | – | – | – | – | Size7345 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | Performance Rated Current2.8 A | Saturation Current2.2 A | Self Resonant Frequency19.5 MHz | VersionRobust | – | – | – | – | – | – | – | – | – | DC Resistance81 mΩ | – | Rated Current1.6 A | Inductance15 µH | – | – | – | Length7.3 mm | Width7.3 mm | Height4.5 mm | MountSMT | ||||
 | WR-TBL Series 4155 - 5.08 mm Screwless 45° Entry, 3, Screwless | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 4155 - 5.08 mm Screwless 45° Entry | Pins3 | PCB/Cable/PanelPCB | ModularityNo | Wire Section 18 to 22 (AWG) 0.823 to 0.326 (mm²) | – | – | – | – | – | Pitch5.08 mm | PackagingBox | – | – | Operating Temperature -30 °C up to +120 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Type45° | Rated Current10 A | – | – | – | – | Length15.24 mm | – | – | MountTHT | |||
 | WE-CMB Common Mode Power Line Choke, 4, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | Pins4 | – | – | – | – | – | – | – | – | – | – | – | SizeXS | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | VersionTHT | – | – | – | – | – | – | – | – | – | DC Resistance140 mΩ | – | Rated Current1.5 A | Inductance4000 µH | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15.8 mm | Width7.8 mm | Height18 mm | MountTHT | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | – | – | Size0603 | Operating Temperature -55 °C up to +125 °C | – | – | – | Pad Dimension0.3 mm | – | – | – | VersionSMT | – | – | – | – | – | Impedance @ 100 MHz180 Ω | Maximum Impedance250 Ω | Maximum Impedance400 MHz | Rated Current 21500 mA | DC Resistance90 mΩ | TypeHigh Current | Rated Current1 A | – | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | MountSMT | ||||
 | WCAP-FTXX Film Capacitors, –, Across the mains | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | – | – | – | – | Capacitance100 nF | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | PackagingCarton | Capacitance±10% | SizePitch 15 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage310 V (AC) | – | – | Length18 mm | Width6 mm | Height12 mm | MountBoxed THT | ||||
 | WCAP-AT1H Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-AT1H Aluminum Electrolytic Capacitors | – | – | – | – | Capacitance22 µF | – | – | – | – | Pitch5 mm | PackagingAmmopack | Capacitance±20% | – | – | – | Dissipation Factor20 % | – | – | – | – | – | – | Endurance 10000 | Ripple Current557 mA | Leakage Current452 µA | Diameter13 mm | – | – | – | – | – | – | – | – | – | Rated Voltage400 V (AC) | – | – | Length20 mm | – | – | – | ||||
 | WCAP-ASLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | – | – | – | – | Capacitance1000 µF | – | – | – | Insulation Resistance0.1 MΩ | – | Packaging15" Tape & Reel | Capacitance±20% | Size10.0 x 10.5 | Operating Temperature -55 °C up to +105 °C | – | Dissipation Factor19 % | – | – | – | – | – | VersionSMT | Endurance 2000 | Ripple Current740 mA | Leakage Current100 µA | Diameter10 mm | Impedance150 mΩ | – | – | – | – | – | – | – | – | Rated Voltage10 V (AC) | – | – | Length10.5 mm | Width10.3 mm | – | MountV-Chip SMT | ||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | Capacitance470 pF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±5% | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | Ceramic TypeNP0 Class I | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | 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 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor10 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance10 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance1 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length2 mm | Width1.25 mm | Height0.8 mm | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | Capacitance10 µF | – | – | – | Insulation Resistance0.01 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size1206 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor10 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length3.2 mm | Width1.6 mm | Height1.6 mm | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | Capacitance22 µF | – | – | – | Insulation Resistance0.005 GΩ | – | Packaging7" Tape & Reel | Capacitance±20% | Size1210 | Operating Temperature -55 °C up to +85 °C | – | Dissipation Factor10 % | Ceramic TypeX5R Class II | Pad Dimension0.6 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length3.2 mm | Width2.5 mm | Height2.5 mm | – | |||||
| WCAP-CSGP MLCCs 100 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | – | – | – | – | Capacitance100 pF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±5% | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | Ceramic TypeNP0 Class I | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage100 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
| WCAP-CSGP MLCCs 100 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | – | – | – | – | Capacitance3.3 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage100 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
 | 750318659 | Offline Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length27.05 mm | Width32.25 mm | Height22.86 mm | – |