Overview
The TPS62056DGSR 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 is designed to provide efficient power conversion with integrated N- and P-channel power MOSFET switches, reducing the need for external components and enhancing overall efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Input Voltage Range | 2.7 to 10 | V |
| Output Voltage Range | 0.7 to 6 (adjustable), 3.3 V (fixed) | V |
| Maximum Output Current | 800 | mA |
| Efficiency | Up to 95% | % |
| Quiescent Current (Typical) | 12 | µA |
| Switching Frequency (Typical) | 850 | kHz |
| Package Type | 10-Pin Micro-Small Outline Package (MSOP) | |
| Operating Temperature Range | -40 to 85 | °C |
| Synchronization Range | 600 kHz to 1.2 MHz |
Key Features
- High-efficiency synchronous step-down converter with up to 95% efficiency
- Low quiescent current of 12 µA (typical)
- Operating input voltage range from 2.7 V to 10 V
- Adjustable output voltage range from 0.7 V to 6 V, with fixed output voltage options of 1.5 V, 1.8 V, and 3.3 V
- Synchronizable to an 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
- Portable media players
- Low-power DSP supplies
- Digital cameras and hard disks
Q & A
- What is the operating input voltage range of the TPS62056DGSR?
The operating input voltage range is from 2.7 V to 10 V. - What is the maximum output current of the TPS62056DGSR?
The maximum output current is 800 mA. - What are the fixed output voltage options available for the TPS62056DGSR?
The fixed output voltage options are 1.5 V, 1.8 V, and 3.3 V. - Can the TPS62056DGSR be synchronized to an external clock?
Yes, it can be synchronized to an external clock in the range of 600 kHz to 1.2 MHz. - What is the typical quiescent current of the TPS62056DGSR?
The typical quiescent current is 12 µA. - What is the operating temperature range of the TPS62056DGSR?
The operating temperature range is from -40°C to 85°C. - Does the TPS62056DGSR have overtemperature and overcurrent protection?
Yes, it has built-in overtemperature and overcurrent protection. - What is the package type of the TPS62056DGSR?
The package type is a 10-Pin Micro-Small Outline Package (MSOP). - What are some common applications of the TPS62056DGSR?
Common applications include cellular phones, organizers, PDAs, handheld PCs, portable media players, low-power DSP supplies, digital cameras, and hard disks. - How efficient is the TPS62056DGSR?
The TPS62056DGSR has an efficiency of up to 95%.
