Overview
The TPS62200DBVRG4 is a high-efficiency synchronous step-down converter produced by Texas Instruments. It is part of the TPS6220x family, which is ideally suited for portable systems powered by 1-cell Li-Ion or 3-cell NiMH/NiCd batteries, as well as standard 3.3-V or 5-V voltage rails. This converter is designed to provide high efficiency, up to 95%, and is suitable for powering low-voltage DSPs and processors used in devices such as PDAs, pocket PCs, and smartphones.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.5 to 6 | V |
| Output Voltage Range | 0.7 to VIN | V |
| Maximum Output Current | 300 | mA |
| Switching Frequency Range | 650 to 1500 | kHz |
| Quiescent Current (Typical) | 15 | µA |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | SOT-23 (DBV) | |
| Number of Pins | 5 |
Key Features
- High-efficiency synchronous step-down converter with up to 95% efficiency.
- Adjustable output voltage range from 0.7 V to VIN, with fixed output voltage options available.
- Fixed-frequency PWM operation at 1 MHz and power save mode operation at light load currents.
- Low quiescent current of 15 µA in power save mode.
- Soft start and 100% duty cycle low-dropout operation.
- Dynamic output-voltage positioning.
- Compact 5-pin SOT-23 package.
- Undervoltage lockout and synchronous rectification).
Applications
The TPS62200DBVRG4 is suitable for a variety of portable and low-power applications, including:
- Powering low-voltage DSPs and processors in PDAs, pocket PCs, and smartphones).
- Portable systems powered by 1-cell Li-Ion or 3-cell NiMH/NiCd batteries).
- Systems requiring dynamic voltage scaling (DVS) to minimize power consumption).
- Designs needing high efficiency and low quiescent current to extend battery life).
Q & A
- What is the input voltage range of the TPS62200DBVRG4?
The input voltage range is from 2.5 V to 6 V.
- What is the maximum output current of the TPS62200DBVRG4?
The maximum output current is 300 mA.
- What is the switching frequency range of the TPS62200DBVRG4?
The switching frequency range is from 650 kHz to 1500 kHz).
- What is the typical quiescent current of the TPS62200DBVRG4 in power save mode?
The typical quiescent current is 15 µA).
- What package type is the TPS62200DBVRG4 available in?
The TPS62200DBVRG4 is available in a 5-pin SOT-23 (DBV) package).
- What is the operating temperature range of the TPS62200DBVRG4?
The operating temperature range is from -40°C to 85°C).
- Does the TPS62200DBVRG4 support dynamic voltage positioning?
- What is the purpose of the undervoltage lockout feature in the TPS62200DBVRG4?
The undervoltage lockout feature prevents the device from misoperating at low input voltages).
- Can the TPS62200DBVRG4 be used in systems requiring dynamic voltage scaling (DVS)?
- Is the TPS62200DBVRG4 RoHS compliant?
