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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
- Industrial Automation
- Process Control
- Isolated Interface Power Supply for CAN, RS-485,RS-422, RS-232, SPI, I2C, Low-Power LAN
- Medical Equipment
More information
Products
| Order Code | Datasheet | Downloads | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 760390013 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 3.3 V (DC) | 5 | 0.5 | Functional | 250 - 550 | 11 | 1:1.7 | 475 | 2500 | 6.73 | 10.2 | 4.19 | SMT | |
| 760390015 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 3.3 V (DC) | 5 | 0.45 | Functional | 250 - 550 | 11 | 1:2 | 475 | 2500 | 6.73 | 10.2 | 4.19 | SMT | |
| 760390011 | SPEC | 4 files | Transformer | 3.3 V (DC) | 3.3 | 0.1 | Functional | 250 - 550 | 7 | – | 1000 | 1500 | 6.73 | 10.2 | 4.19 | SMT | |
 | 750313769 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 3.3 V (DC) | 5 | 0.6 | Reinforced | 250 - 550 | 10 | 1:1.7 | 340 | 5000 | 9.14 | 12.7 | 7.62 | SMT | |
| 750313626 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 3.3 V (DC) | 5 | 0.5 | Reinforced | 250 - 550 | 10 | 1:2 | 340 | 5000 | 9.14 | 12.7 | 7.62 | SMT | |
| 760390012 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 5 V (DC) | 5 | 0.75 | Functional | 300 - 620 | 11 | 1:1.1 | 475 | 2500 | 6.73 | 10.2 | 4.19 | SMT | |
| 760390014 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 5 V (DC) | 5 | 0.6 | Functional | 300 - 620 | 11 | 1:1.3 | 475 | 2500 | 6.73 | 10.2 | 4.19 | SMT | |
| 750313734 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 5 V (DC) | 5 | 0.8 | Reinforced | 300 - 620 | 10 | 1:1.1 | 340 | 5000 | 9.14 | 12.7 | 7.62 | SMT | |
| 750313638 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 5 V (DC) | 5 | 0.65 | Reinforced | 300 - 620 | 10 | 1:1.3 | 340 | 5000 | 9.14 | 12.7 | 7.62 | SMT | |
| 750313710 | SPEC | 7 files | WE-PPTI Push-Pull Transformers | 5 V (DC) | 5.5 | 0.65 | Functional | 250 - 620 | 11 | 1:1.23 | 475 | 2500 | 6.73 | 10.2 | 4.19 | SMT |
| Order Code | Datasheet | |
|---|---|---|
| 760390013 | SPEC |
| 760390015 | SPEC |
| 760390011 | SPEC |
| 750313769 | SPEC |
| 750313626 | SPEC |
| 760390012 | SPEC |
| 760390014 | SPEC |
| 750313734 | SPEC |
| 750313638 | SPEC |
| 750313710 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Downloads | 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 |
|---|