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Texas Instruments SN6505B | Demoboard TMDSCNCD2800137
Low-noise, 1-A, 420-kHz transformer driver with soft start for isolated power supplies
Overview
| Topology | Push-Pull Converter symmetrical isolated |
| Input voltage | 5 V |
| IC revision | B |
Description
TMDSCNCD2800137 is a low-cost evaluation and development board for TI C2000™ MCU series of TMS320F280013x devices. It comes with a HSEC180 (180-pin high-speed) edge connector and, as a controlCARD, is ideal for initial evaluation and prototyping. For evaluation of TMDSCNCD2800137, a 180-pin docking station TMDSHSECDOCK is required and can be purchased separately.
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
- Industrial power
- Telecom & server power
- Appliances
- Grid infrastructure
- Factory automation & control, Building automation, Mobile robot motor controller, Motor drives,
- Single-phase line interactive UPS, Portable power station
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | VIN | VOut1(V) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | L(µH) | VT(V (AC)) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 10 V(DC), 100 nF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Capacitance100 nF | Capacitance±20% | Rated Voltage10 V (DC) | Size0402 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor5 % | Insulation Resistance5 GΩ | Ceramic TypeX5R Class II | Length1 mm | Width0.5 mm | Height0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-PPTI Push-Pull Transformers, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | – | – | – | Size1208 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length8.3 mm | Width12.6 mm | Height4.1 mm | – | PackagingTape and Reel | Input Voltage 4.5 - 5.5 V (DC) | Output Voltage 15 V | Output Current 11 A | Type of InsulationFunctional | Switching Frequency 400 - 700 | Voltage-µSecond8.6 Vµs | Turns Ratio1:1.1 | Inductance72 µH | Insulation Test Voltage2500 V (AC) | MountSMT |