Description
TPS2121RUXR – Texas Instruments
Overview
The TPS2121RUXR is a dual-channel, high-side, load switch with controlled rise time and active pull-down. It is designed to supply power to portable equipment, such as cellular phones, PDAs, and other battery-powered devices.
Features
- Dual-channel, high-side load switch
- Controlled rise time
- Active pull-down
- Low RON (25 mΩ typical)
- Low quiescent current (10 μA typical)
- 1.8V to 5.5V input voltage range
- -40°C to 125°C operating temperature range
Applications
- Power management for portable equipment
- Cellular phones
- PDAs
- Battery-powered devices
Packaging
- MSOP-8 package
- DDA package
Specifications
Electrical Characteristics
| Parameter | Value |
|---|---|
| Input Voltage (VI) | 1.8V to 5.5V |
| Output Voltage (VO) | 1.8V to 5.5V |
| Quiescent Current (IQ) | 10 μA typical |
| Switch On Resistance (RON) | 25 mΩ typical |
| Turn-On Time (TON) | 10 μs typical |
| Turn-Off Time (TOFF) | 10 μs typical |
| Active Pull-Down Resistance | 10 kΩ typical |
| Operating Temperature Range | -40°C to 125°C |
Thermal Information
| Parameter | Value |
|---|---|
| Junction-to-Ambient Thermal | 60°C/W |
| Resistance (RθJA) |
Ordering Information
| Part Number | Package | Pin Configuration |
|---|---|---|
| TPS2121RUXR | MSOP-8 | See datasheet |