Overview
The TLV74133PDBVR is a low-dropout linear regulator (LDO) manufactured by Texas Instruments. It is part of the TLV741P family, known for its low quiescent current and excellent line and load transient performance. This regulator is designed for power-sensitive applications, particularly in portable and battery-powered devices, offering high accuracy and stability with minimal external components.
Key Specifications
| Parameter | Value |
|---|---|
| Output Current | 150 mA |
| Dropout Voltage | 230 mV at 150 mA |
| Output Voltage Accuracy | 1% |
| Quiescent Current (Iq) | 50 µA |
| Power Supply Rejection Ratio (PSRR) | 65 dB at 1 kHz |
| Operating Junction Temperature | -40°C to +125°C |
| Package Type | SOT-23 (DBV) |
| Output Capacitance | 1 µF or larger |
Key Features
- Very low dropout voltage of 230 mV at 150 mA
- High accuracy of 1%
- Low quiescent current of 50 µA
- High PSRR of 65 dB at 1 kHz
- Active output discharge (available in P version)
- Foldback current limit for inrush current control
- Thermal shutdown protection
- Stable operation with a small 1-µF output capacitor
Applications
- PDAs and battery-powered portable devices
- MP3 players and other handheld products
- WLAN and other PC add-on cards
- RF portable applications due to low noise and good PSRR
Q & A
- What is the maximum output current of the TLV74133PDBVR?
The maximum output current is 150 mA. - What is the dropout voltage at 150 mA?
The dropout voltage is 230 mV at 150 mA. - What is the quiescent current of the TLV74133PDBVR?
The quiescent current is 50 µA. - What is the operating junction temperature range of the TLV74133PDBVR?
The operating junction temperature range is -40°C to +125°C. - What type of package is the TLV74133PDBVR available in?
The TLV74133PDBVR is available in the SOT-23 (DBV) package. - What is the minimum output capacitance required for stable operation?
The minimum output capacitance required is 1 µF. - Does the TLV74133PDBVR have thermal protection?
Yes, the TLV74133PDBVR has thermal shutdown protection. - What is the PSRR of the TLV74133PDBVR at 1 kHz?
The PSRR is 65 dB at 1 kHz. - What are some common applications of the TLV74133PDBVR?
Common applications include PDAs, battery-powered portable devices, MP3 players, and WLAN/PC add-on cards. - Does the TLV74133PDBVR have foldback current limit?
Yes, the TLV74133PDBVR has foldback current limit for inrush current control.
