Overview
The TPS62050DGSR is a high-efficiency synchronous step-down DC-DC converter produced by Texas Instruments. It is part of the TPS6205x family, which is ideally suited for systems powered from a 1- or 2-cell Li-Ion battery or from a 3- to 5-cell NiCd, NiMH, or alkaline battery. This converter features integrated N- and P-channel power MOSFET switches, enhancing efficiency and reducing the need for external components. The device operates in synchronous pulse width modulation (PWM) mode and can enter a power-saving pulse frequency modulation (PFM) mode at light load currents to maintain high efficiency across a wide load current range.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 10-Pin Micro-Small Outline Package (MSOP) - VSSOP (DGS) |
| Operating Input Voltage Range | 2.7 V to 10 V |
| Adjustable Output Voltage Range | 0.7 V to 6 V |
| Fixed Output Voltage Options | 1.5 V, 1.8 V, 3.3 V |
| Maximum Output Current | 800 mA |
| Operating Frequency | Typically 850 kHz |
| Synchronization Capability | Up to 1.2 MHz external clock |
| Quiescent Current (Typical) | 12 µA |
| Efficiency | Up to 95% |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- High-Efficiency Synchronous Step-Down Converter with up to 95% Efficiency
- Low Quiescent Current: 12 µA (Typical)
- Adjustable Output Voltage Range: 0.7 V to 6 V
- Fixed Output Voltage Options: 1.5 V, 1.8 V, 3.3 V
- Synchronizable to External Clock: Up to 1.2 MHz
- High-Efficiency Over a Wide Load Current Range in Power-Save Mode
- 100% Maximum Duty Cycle for Lowest Dropout
- Low-Noise Operation in Forced Fixed-Frequency PWM Mode
- Internal Softstart and Overtemperature and Overcurrent Protection
Applications
- Cellular Phones
- Organizers, PDAs, and Handheld PCs
- Low Power DSP Supply
- Digital Cameras and Hard Disks
Q & A
- What is the operating input voltage range of the TPS62050DGSR?
The operating input voltage range is from 2.7 V to 10 V.
- What are the fixed output voltage options available for the TPS62050DGSR?
The fixed output voltage options are 1.5 V, 1.8 V, and 3.3 V.
- What is the maximum output current of the TPS62050DGSR?
The maximum output current is 800 mA.
- Can the TPS62050DGSR be synchronized to an external clock?
- What is the typical operating frequency of the TPS62050DGSR?
The typical operating frequency is 850 kHz.
- What is the quiescent current of the TPS62050DGSR in typical conditions?
The quiescent current is 12 µA (Typical).
- What is the efficiency of the TPS62050DGSR?
The efficiency is up to 95%.
- What are the key protection features of the TPS62050DGSR?
The device features internal softstart, overtemperature protection, and overcurrent protection.
- In what package is the TPS62050DGSR available?
The device is available in a 10-pin Micro-Small Outline Package (MSOP) - VSSOP (DGS).
- What is the operating temperature range of the TPS62050DGSR?
The operating temperature range is from -40°C to 85°C.
