Overview
The LP5907UVX-3.3/NOPB is a low-noise, low-dropout (LDO) voltage regulator produced by Texas Instruments. This device is designed to supply up to 250mA of output current and is particularly suited for applications requiring low noise, high power supply rejection ratio (PSRR), and low quiescent current. The LP5907 is ideal for use in RF and analog circuits, offering class-leading noise performance without the need for a noise bypass capacitor and allowing for remote output capacitor placement.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.2 to 5.5 | V |
| Output Voltage Range | 1.2 to 4.5 | V |
| Output Current | Up to 250 | mA |
| Output Voltage Tolerance | ±2% | |
| Quiescent Current (Enabled) | 12 | µA |
| Dropout Voltage (Typical) | 120 | mV |
| PSRR at 1kHz | 82 | dB |
| Output Voltage Noise (RMS) | < 6.5 | µV |
| Operating Junction Temperature | –40 to 125 | °C |
| Package Type | DSBGA-4 | |
| Thermal Protection | Thermal-overload and short-circuit protection |
Key Features
- Low noise: < 6.5µVRMS output voltage noise.
- High PSRR: 82dB at 1kHz.
- Low quiescent current: 12µA when enabled.
- Low dropout voltage: 120mV (typical).
- No noise bypass capacitor required.
- Remote output capacitor placement.
- Thermal-overload and short-circuit protection.
- Operating junction temperature range: –40°C to 125°C.
- Stable with 1-µF ceramic input and output capacitors.
Applications
- Smartphones
- Tablets
- Communications equipment
- Digital still cameras
- Factory automation
Q & A
- What is the input voltage range of the LP5907UVX-3.3/NOPB?
The input voltage range is from 2.2V to 5.5V.
- What is the maximum output current of the LP5907UVX-3.3/NOPB?
The maximum output current is up to 250mA.
- What is the typical dropout voltage of the LP5907UVX-3.3/NOPB?
The typical dropout voltage is 120mV.
- Does the LP5907UVX-3.3/NOPB require a noise bypass capacitor?
No, it does not require a noise bypass capacitor.
- What is the PSRR of the LP5907UVX-3.3/NOPB at 1kHz?
The PSRR is 82dB at 1kHz.
- What are the thermal protection features of the LP5907UVX-3.3/NOPB?
The device features thermal-overload and short-circuit protection.
- What is the operating junction temperature range of the LP5907UVX-3.3/NOPB?
The operating junction temperature range is from –40°C to 125°C.
- What type of capacitors are recommended for input and output stability?
1-µF ceramic capacitors are recommended for both input and output stability.
- Can the LP5907UVX-3.3/NOPB be used in RF and analog circuits?
- What is the quiescent current when the LP5907UVX-3.3/NOPB is enabled?
The quiescent current is 12µA when enabled.
