Overview
The LM2775DSGR is a high-performance switch capacitor voltage doubler manufactured by Texas Instruments. This device is designed to generate a low-noise 5V output from an input voltage ranging from 3.1V to 5.5V, making it ideal for applications requiring stable and efficient power conversion. The LM2775DSGR is particularly suited for automotive and industrial applications, where it provides a cost-effective solution for powering CAN transceivers and other loads. Its compact WSON-8 package ensures excellent thermal performance, making it a reliable choice for various electronic systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.1 - 5.5 | V | |
| Output Voltage | 5 | V | |
| Output Current | Up to 200 | mA | |
| Operating Temperature | -40 to +85 | °C | |
| Package | WSON-8 | Compact and thermally efficient | |
| Quiescent Current | Low | µA | In PFM mode |
Key Features
- Generates a low-noise 5V output from a 3.1V to 5.5V input.
- Supports output currents up to 200mA, with 125mA available at input voltages as low as 2.7V.
- Includes Pulse Frequency Modulation (PFM) mode to reduce quiescent current at low output currents.
- Compact WSON-8 package with excellent thermal properties.
- Designed for automotive and industrial applications, providing a cost-effective power solution.
Applications
The LM2775DSGR is widely used in various applications, including:
- Automotive Systems: Powers CAN transceivers and other loads in automotive electronics, especially in systems without wide input voltage pre-boost or cold start capabilities.
- Industrial Equipment: Provides stable power conversion in industrial automation and control systems.
- Consumer Electronics: Suitable for portable devices and other consumer electronics requiring efficient power management.
Q & A
1. What is the input voltage range of the LM2775DSGR?
The input voltage range is 3.1V to 5.5V.
2. What is the output voltage of the LM2775DSGR?
The output voltage is 5V.
3. What is the maximum output current?
The maximum output current is 200mA.
4. Can the LM2775DSGR operate at low input voltages?
Yes, it can provide up to 125mA output current at input voltages as low as 2.7V.
5. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
6. What package does the LM2775DSGR use?
It uses a compact WSON-8 package.
7. Does the LM2775DSGR support low power modes?
Yes, it includes a Pulse Frequency Modulation (PFM) mode to reduce quiescent current at low output currents.
8. Is the LM2775DSGR suitable for automotive applications?
Yes, it is designed for automotive systems, particularly for powering CAN transceivers.
9. What are the thermal properties of the WSON-8 package?
The WSON-8 package has excellent thermal properties, preventing overheating in most operating conditions.
10. Can the LM2775DSGR be used in consumer electronics?
Yes, it is suitable for portable devices and other consumer electronics requiring efficient power management.
