Overview
The SN6501QDBVRQ1, produced by Texas Instruments, is a monolithic oscillator/power-driver designed for small form factor, isolated power supplies in isolated interface applications. This device is particularly suited for driving low-profile, center-tapped transformers from a single 3.3-V or 5-V DC power supply. It ensures efficient and reliable operation in a compact SOT-23 (DBV) package with 5 pins, making it ideal for space-constrained designs. The SN6501QDBVRQ1 operates over a wide temperature range from –40°C to 125°C, enhancing its versatility in various environments.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOT-23 (DBV) |
| Number of Pins | 5 |
| Supply Voltage | 3.3 V or 5 V |
| Maximum Primary-Side Current Drive | 350 mA (5-V Supply), 150 mA (3.3-V Supply) |
| Operating Frequency | 410 kHz |
| Operating Temperature Range | –40°C to 125°C |
| Transformer Type | Low-profile, center-tapped transformer |
Key Features
- Push-pull driver for small transformers, ensuring efficient energy transfer.
- Single 3.3-V or 5-V supply, providing flexibility in power supply design.
- High primary-side current drive capability: up to 350 mA with a 5-V supply and up to 150 mA with a 3.3-V supply.
- Low ripple on the rectified output, allowing the use of small output capacitors.
- Compact SOT-23 (DBV) package, suitable for space-constrained applications.
- Internal logic ensures break-before-make action between the two switches, preventing cross-conduction.
Applications
The SN6501QDBVRQ1 is designed for use in isolated power supplies and isolated interface applications. It is particularly useful in scenarios where a small form factor and low noise are critical, such as:
- Industrial control systems requiring isolated power supplies.
- Medical devices that need reliable and isolated power sources.
- Automotive systems where compact and efficient power solutions are essential.
- Telecommunication equipment requiring isolated power supplies for signal integrity.
Q & A
- What is the primary function of the SN6501QDBVRQ1?
The SN6501QDBVRQ1 is a monolithic oscillator/power-driver designed to drive low-profile, center-tapped transformers for isolated power supplies.
- What are the available supply voltages for the SN6501QDBVRQ1?
The device can operate with either a 3.3-V or 5-V DC power supply.
- What is the maximum primary-side current drive of the SN6501QDBVRQ1?
The maximum primary-side current drive is 350 mA with a 5-V supply and 150 mA with a 3.3-V supply.
- What is the operating frequency of the SN6501QDBVRQ1?
The operating frequency is 410 kHz.
- What is the package type and number of pins for the SN6501QDBVRQ1?
The device is packaged in a SOT-23 (DBV) package with 5 pins.
- What is the operating temperature range of the SN6501QDBVRQ1?
The device operates over a temperature range from –40°C to 125°C.
- What type of transformers can the SN6501QDBVRQ1 drive?
The device drives low-profile, center-tapped transformers.
- How does the SN6501QDBVRQ1 ensure efficient energy transfer?
The device uses a push-pull driver configuration to ensure efficient energy transfer.
- What are some typical applications of the SN6501QDBVRQ1?
Typical applications include industrial control systems, medical devices, automotive systems, and telecommunication equipment.
- Does the SN6501QDBVRQ1 have any internal protection mechanisms?
Yes, the internal logic ensures break-before-make action between the two switches to prevent cross-conduction.
