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Texas Instruments SN6505BDBVR | Demoboard FSI Adapter Board
Low-Noise 1-A Transformer Drivers for Isolated Power Supplies
Overview
| Topology | Push-Pull Converter symmetrical isolated |
| Switching frequency | 160-420 kHz |
Description
Confidential c2000 ref design
Features
- Push-pull driver for transformers
- Wide input voltage range: 2.25 V to 5.5 V
- High output drive: 1 A at 5 V supply
- Low RON 0.25 Ω max at 4.5 V supply
- Ultra-low EMI - Spread spectrum clocking
- Precision internal oscillator options: 160 kHz (SN6505A) and 420 kHz (SN6505B)
- Synchronization of multiple devices with external clock input
- Slew-rate control
- 1.7 A Current-limit
- Low shutdown current: <1 μA - Thermal shutdown
- Wide temperature range: –55°C to 125°C
- Small 6-Pin SOT23 (DBV) package
- Soft-start to reduce In-rush current
Typical applications
- Medical instruments
- Process control / Precision instruments
- Low-noise isolated USB supplies
- Isolated power supply for CAN, RS-485, RS-422, RS-232, SPI, I2C, low-power LAN / Telecom supplies / Radio supplies
- Distributed supplies
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Wire Section | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | λPeak G typ.(nm) | λPeak Y typ.(nm) | IV typ.(mcd) | IV G typ.(mcd) | IV Y typ.(mcd) | VF typ.(V) | VF G typ.(V) | VF Y typ.(V) | Chip Technology | 2θ50% typ.(°) | VIN | VOut1(V) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | L(µH) | VT(V (AC)) | L(mm) | W(mm) | H(mm) | Mount | xPxC | Variant | Ports | Shielding | Tab | EMI | LED | Application System | IR(A) | Working Voltage(V (AC)) | Packaging | Interface Type | Gender | Operating Temperature | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Pin Header - Single, 2, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length5.08 mm | – | – | MountTHT | – | – | – | – | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | PackagingBag | – | GenderPin Header | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | |||
 | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular, 2, Wire Protector | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 101 - 5.00 mm Horizontal Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | Wire Section 26 to 14 (AWG) 0.5 to 2.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length10 mm | – | Height12.6 mm | MountTHT | – | – | – | – | – | – | – | – | Rated Current16 A | Working Voltage250 V (AC) | PackagingBox | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeHorizontal | ||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length7.62 mm | – | – | MountTHT | – | – | – | – | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | PackagingBag | – | GenderPin Header | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | |||
 | WR-USB Mini/Micro Connectors, 5, Micro USB 2.0 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | Pins5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | Variantwith Pegs - High Current | – | – | – | – | – | – | Rated Current3 A | Working Voltage30 V (AC) | PackagingTape and Reel | Interface TypeType B | GenderReceptacle | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | TypeHorizontal | |||
 | WR-PHD Pin Header - Single, 5, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length12.7 mm | – | – | MountTHT | – | – | – | – | – | – | – | – | Rated Current3 A | Working Voltage250 V (AC) | PackagingBag | – | GenderPin Header | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | TypeStraight | |||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | MountSMT | – | – | – | – | – | – | – | – | Rated Current0.5 A | – | – | – | – | Operating Temperature -55 °C up to +125 °C | Impedance @ 100 MHz100 Ω | Maximum Impedance125 Ω | Maximum Impedance450 MHz | Rated Current 21650 mA | DC Resistance0.15 Ω | TypeWide Band | ||||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | Dominant Wavelength [typ.]630 nm | Emitting ColorSuper Red | Peak Wavelength [typ.]645 nm | – | – | Luminous Intensity [typ.]60 mcd | – | – | Forward Voltage [typ.]1.9 V | – | – | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | – | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | ||||
 | WE-PPTI Push-Pull Transformers, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Input Voltage 3.3 V (DC) | Output Voltage 13.3 V | Output Current 10.8 A | Type of InsulationFunctional | Switching Frequency 400 - 700 | Voltage-µSecond13 Vµs | Turns Ratio1:1.75 | Inductance86 µH | Insulation Test Voltage2500 V (AC) | Length8.3 mm | Width12.6 mm | Height4.1 mm | MountSMT | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | – | – | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | |||
 | WR-MJ Cat 3 Modular Jacks – THT, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-MJ Cat 3 Modular Jacks – THT | – | – | – | – | – | – | – | Peak Wavelength (Green) [typ.]570 nm | Peak Wavelength (Yellow) [typ.]590 nm | – | Luminous Intensity (Green) [typ.]13 mcd | Luminous Intensity (Yellow) [typ.]8 mcd | – | Forward Voltage (Green) [typ.]2.3 V | Forward Voltage (Yellow) [typ.]2.3 V | – | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | Number of Pins (xPxC)8P8C | VariantLow Profile | Ports1x1 | ShieldingShielded | Tab PositionUp | EMI FingersYes | LED (Left-Right)yellow-green | Application SystemCAT 3 | Rated Current1.5 A | Working Voltage125 V (AC) | PackagingTape and Reel | – | – | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | TypeHorizontal |