Overview
The TPS8268120SIPR is a high-efficiency MicroSiP™ step-down converter produced by Texas Instruments. This device is optimized for small solution sizes and high efficiency, making it suitable for applications requiring low power consumption and compact design. The TPS8268120SIPR supports up to 1600-mA load current and operates with an input voltage range of 2.5-V to 5.5-V, making it compatible with Li-Ion batteries and various voltage rails. It features a fixed output voltage of 1.20V and operates at a 5.5-MHz switching frequency with spread spectrum capability, reducing noise and EMI.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.5 - 5.5 | V |
| Output Voltage | 1.20 | V |
| Maximum Load Current | 1600 | mA |
| Switching Frequency | 5.5 | MHz |
| Efficiency | Up to 90% | % |
| Output Voltage Accuracy | ±1.5% | % |
| Package Type | µSIP | - |
| Package Size | 2.3 mm x 2.9 mm | mm |
| Thermal Shutdown Temperature | 140°C | °C |
| Junction-to-Ambient Thermal Resistance | 62°C/W | °C/W |
Key Features
- High efficiency up to 90% and low output voltage ripple
- Fixed output voltage without the need for an external feedback network
- Spread spectrum PWM frequency for reduced noise and EMI
- Internal soft start circuit for controlled output voltage ramp-up
- Current overload and thermal shutdown protection
- Compact µSIP package suitable for automated assembly
- Best-in-class load and line transient response
Applications
- Optical modules
- Cell phones and smart phones
- Solid state disk drive applications
- Space-constrained applications
Q & A
- What is the input voltage range of the TPS8268120SIPR? The input voltage range is 2.5-V to 5.5-V.
- What is the fixed output voltage of the TPS8268120SIPR? The fixed output voltage is 1.20V.
- What is the maximum load current supported by the TPS8268120SIPR? The maximum load current is 1600 mA.
- What is the switching frequency of the TPS8268120SIPR? The switching frequency is 5.5 MHz.
- Does the TPS8268120SIPR have built-in protection features? Yes, it includes current overload and thermal shutdown protection.
- What is the package type and size of the TPS8268120SIPR? The package type is µSIP, and the size is 2.3 mm x 2.9 mm.
- What is the thermal shutdown temperature of the TPS8268120SIPR? The thermal shutdown temperature is typically 140°C.
- Is the TPS8268120SIPR suitable for automated assembly? Yes, it is suitable for automated assembly by standard surface mount equipment.
- What are some common applications of the TPS8268120SIPR? Common applications include optical modules, cell phones, smart phones, solid state disk drives, and space-constrained applications.
- Does the TPS8268120SIPR require an external feedback network? No, it does not require an external feedback network for the fixed output voltage.
