Overview
The Texas Instruments TPS79901DRVR is a 200-mA, low-quiescent current, ultra-low-noise linear voltage regulator. This device is part of the TPS79901 family and is designed to offer excellent AC performance with very low ground current. It features high power-supply rejection ratio (PSRR), low noise, fast start-up, and excellent line and load transient response. The TPS79901DRVR is available in a 6-pin WSON package and is suitable for various applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TPS79901DRVR |
| Package | WSON-6-EP(2x2) |
| Output Current | 200 mA |
| Output Voltage Range | Adjustable from 1.2 V to 6.5 V |
| Quiescent Current (IQ) | 40 µA (typical) |
| Dropout Voltage | 100 mV (typical at 200 mA) |
| Power-Supply Rejection Ratio (PSRR) | 66 dB at 1 kHz, 51 dB at 10 kHz |
| Output Capacitance | Stable with a low-ESR, 2-µF typical output capacitance |
| Operating Temperature Range | –40°C to +125°C |
| Enable Function | Inrush current protection with EN toggle |
Key Features
- Low-quiescent current: 40 µA (typical)
- High PSRR: 66 dB at 1 kHz, 51 dB at 10 kHz
- Ultra-low noise and fast start-up
- Excellent load and line transient response
- Very low dropout voltage: 100 mV (typical at 200 mA)
- Adjustable output voltage from 1.2 V to 6.5 V
- Inrush current protection with EN toggle
- Stable with ceramic capacitors
- 2% overall accuracy over all load, line, process, and temperature variations
Applications
- Base Stations
- Smart Phones
- EPOS (Electronic Point of Sale) systems
- Wearable Electronics
- VCOs (Voltage-Controlled Oscillators) and RF applications
- Wireless LAN and Bluetooth® devices
- Defense, Aerospace, and Medical applications
Q & A
- What is the output current capability of the TPS79901DRVR?
The TPS79901DRVR can supply up to 200 mA of output current. - What is the adjustable output voltage range of the TPS79901DRVR?
The output voltage can be adjusted from 1.2 V to 6.5 V. - What is the typical quiescent current (IQ) of the TPS79901DRVR?
The typical quiescent current is 40 µA. - What is the dropout voltage of the TPS79901DRVR?
The dropout voltage is typically 100 mV at a 200-mA output. - Does the TPS79901DRVR have inrush current protection?
Yes, it features inrush current protection with the EN toggle. - What is the operating temperature range of the TPS79901DRVR?
The operating temperature range is from –40°C to +125°C. - What type of package is the TPS79901DRVR available in?
The TPS79901DRVR is available in a 6-pin WSON package. - What are some of the key applications for the TPS79901DRVR?
Key applications include base stations, smart phones, wearable electronics, VCOs, RF applications, and wireless LAN and Bluetooth® devices. - Does the TPS79901DRVR support defense, aerospace, and medical applications?
Yes, it supports these applications with controlled baseline, one assembly and test site, and one fabrication site. - What is the power-supply rejection ratio (PSRR) of the TPS79901DRVR?
The PSRR is 66 dB at 1 kHz and 51 dB at 10 kHz.
