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Overview
| Topology | Flyback Converter |
| Input voltage | 9-15 V |
| Switching frequency | 170-1115 kHz |
| Output 1 | 3.3 V / 1.1 A |
| IC revision | B |
Description
This reference design uses LM5022-Q1 to make an isolated 3.3-V output capable of 1.1-A from a 9-V to 15-V input. All components are placed on one side of the board to reduce assembly complexity and cost. A secondary filter reduces the output ripple to under 30-mV peak-to-peak. The design can achieve 80% efficiency across input conditions.
Features
- Less than 1% voltage ripple on output
- 80% efficiency across input voltage range
- Compact board design with top side only assembly
- 1.5-kV AC RMS isolation
Typical applications
- Boost Converters / SEPIC Converters
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (Value) (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Version | VIN | VOut1 (V) | IOut1 (A) | L (µH) | n | VT (V (AC)) | Size | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691214310002 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 2143 - 3.81 mm Horiz. Entry Modular | 2 | Rising Cage Clamp | PCB | Yes | Horizontal | 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | 3.81 | – | 7.62 | Box | – | – | – | – | – | – | – | – | THT | |
 | 74437349022 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | – | – | – | – | – | – | 9.9 | 10.5 | 19.1 | 12 | 30 | – | – | – | – | – | – | – | – | – | 7.3 | – | SMT | – | – | – | 2.2 | – | – | 7050 | SMT | ||
 | 860010273010 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATG8 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | – | – | 330 µF | 10 | 2000 | -40 °C up to +85 °C | 363 | 33 | 19 | 2.5 | 6.3 | 11 | Ammopack | – | – | – | – | – | – | – | – | – | ||
 | 860020472003 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | – | – | 10 µF | 25 | 2000 | -40 °C up to +105 °C | 38 | 3 | 14 | 2 | 5 | 11 | Ammopack | – | – | – | – | – | – | – | – | – | ||
 | 750310035 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PoE Power over Ethernet Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | 13.46 | Tape and Reel | Flyback | 33 - 57 V (DC) | 5 | 2.7 | 77.4 | 3.67:1:2.5 | 1500 | EP13 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691214310002 | SPEC | – |
| 74437349022 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 860010273010 | SPEC | |
| 860020472003 | SPEC | |
| 750310035 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (Value) (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Version | VIN | VOut1 (V) | IOut1 (A) | L (µH) | n | VT (V (AC)) | Size | Mount | Samples |
|---|