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Overview
| Topology | Push-Pull Converter symmetrical isolated |
| Input voltage | 3-5.5 V |
| Switching frequency | 620 kHz |
| Output 1 | 11 V / 0.25 A |
| IC revision | G |
Description
The SN6501 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power supplies in isolated interface applications. The device drives a low-profile, center-tapped transformer primary from a 3.3-V or 5-V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer turns ratio.
The SN6501 consists of an oscillator followed by a gate drive circuit that provides the complementary output signals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make action between the two switches.
The SN6501 is available in a small SOT-23 (5) package, and is specified for operation at temperatures from –40&de;C to 125°C.
Features
- Push-Pull Driver for Small Transformers
- Single 3.3-V or 5-V Supply
- High Primary-side Current Drive: 5-V Supply: 350 mA (Max)3.3-V Supply: 150 mA (Max)
- Low Ripple on Rectified Output PermitsSmall Output Capacitors
- Small 5-Pin SOT-23 Package
Typical applications
- Medical Equipment
- Isolated Interface Power Supply for CAN, RS-485,RS-422, RS-232, SPI, I2C, Low-Power LAN
- Process Control
- Industrial Automation
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | VIN | VOut1(V (DC)) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | L(µH) | VT(V (AC)) | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PPTI Push-Pull Transformers, 3.3 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 3.3 V (DC) | Output Voltage 15 V (DC) | Output Current 10.5 A | Type of InsulationFunctional | Switching Frequency 250 - 550 | Voltage-µSecond11 Vµs | Turns Ratio1:1.7 | Inductance475 µH | Insulation Test Voltage2500 V (AC) | Length6.73 mm | Width10.2 mm | Height4.19 mm | MountSMT | |||
| WE-PPTI Push-Pull Transformers, 3.3 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 3.3 V (DC) | Output Voltage 15 V (DC) | Output Current 10.45 A | Type of InsulationFunctional | Switching Frequency 250 - 550 | Voltage-µSecond11 Vµs | Turns Ratio1:2 | Inductance475 µH | Insulation Test Voltage2500 V (AC) | Length6.73 mm | Width10.2 mm | Height4.19 mm | MountSMT | |||
| 760390011 | WE-PPTI Push-Pull Transformer, 3.3 V (DC), 3.3 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product series WE-PPTI Push-Pull Transformer | Input Voltage 3.3 V (DC) | Output Voltage 13.3 V (DC) | Output Current 10.1 A | Type of InsulationFunctional | Switching Frequency 250 - 550 | Voltage-µSecond7 Vµs | – | Inductance1000 µH | Insulation Test Voltage1500 V (AC) | Length6.73 mm | Width10.2 mm | Height4.19 mm | MountSMT | ||
 | WE-PPTI Push-Pull Transformers, 3.3 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 3.3 V (DC) | Output Voltage 15 V (DC) | Output Current 10.6 A | Type of InsulationReinforced | Switching Frequency 250 - 550 | Voltage-µSecond10 Vµs | Turns Ratio1:1.7 | Inductance340 µH | Insulation Test Voltage5000 V (AC) | Length9.14 mm | Width12.7 mm | Height7.62 mm | MountSMT | |||
| WE-PPTI Push-Pull Transformers, 3.3 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 3.3 V (DC) | Output Voltage 15 V (DC) | Output Current 10.5 A | Type of InsulationReinforced | Switching Frequency 250 - 550 | Voltage-µSecond10 Vµs | Turns Ratio1:2 | Inductance340 µH | Insulation Test Voltage5000 V (AC) | Length9.14 mm | Width12.7 mm | Height7.62 mm | MountSMT | |||
| WE-PPTI Push-Pull Transformers, 5 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 5 V (DC) | Output Voltage 15 V (DC) | Output Current 10.75 A | Type of InsulationFunctional | Switching Frequency 300 - 620 | Voltage-µSecond11 Vµs | Turns Ratio1:1.1 | Inductance475 µH | Insulation Test Voltage2500 V (AC) | Length6.73 mm | Width10.2 mm | Height4.19 mm | MountSMT | |||
| WE-PPTI Push-Pull Transformers, 5 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 5 V (DC) | Output Voltage 15 V (DC) | Output Current 10.6 A | Type of InsulationFunctional | Switching Frequency 300 - 620 | Voltage-µSecond11 Vµs | Turns Ratio1:1.3 | Inductance475 µH | Insulation Test Voltage2500 V (AC) | Length6.73 mm | Width10.2 mm | Height4.19 mm | MountSMT | |||
| WE-PPTI Push-Pull Transformers, 5 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 5 V (DC) | Output Voltage 15 V (DC) | Output Current 10.8 A | Type of InsulationReinforced | Switching Frequency 300 - 620 | Voltage-µSecond10 Vµs | Turns Ratio1:1.1 | Inductance340 µH | Insulation Test Voltage5000 V (AC) | Length9.14 mm | Width12.7 mm | Height7.62 mm | MountSMT | |||
| WE-PPTI Push-Pull Transformers, 5 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 5 V (DC) | Output Voltage 15 V (DC) | Output Current 10.65 A | Type of InsulationReinforced | Switching Frequency 300 - 620 | Voltage-µSecond10 Vµs | Turns Ratio1:1.3 | Inductance340 µH | Insulation Test Voltage5000 V (AC) | Length9.14 mm | Width12.7 mm | Height7.62 mm | MountSMT | |||
| WE-PPTI Push-Pull Transformers, 5 V (DC), 3.3 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 5 V (DC) | Output Voltage 13.3 V (DC) | Output Current 10.65 A | Type of InsulationFunctional | Switching Frequency 250 - 620 | Voltage-µSecond11 Vµs | Turns Ratio1.23:1 | Inductance475 µH | Insulation Test Voltage2500 V (AC) | Length6.73 mm | Width10.2 mm | Height4.19 mm | MountSMT |