Overview
The LP5907UVX-3.0/NOPB is a low-noise, ultra-low-dropout linear voltage regulator designed by Texas Instruments. This device is optimized for use in RF and analog circuits, offering exceptional noise performance, high power supply rejection ratio (PSRR), and low quiescent current. The LP5907 can supply up to 250mA of output current and is available in a compact 4-pin DSBGA (YKE) package. It operates over a wide input voltage range of 2.2V to 5.5V and provides fixed output voltages from 1.2V to 4.5V in 25mV steps.
Key Specifications
| Parameter | Value |
|---|---|
| Package | DSBGA (YKE), 4 pins |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 2.2V to 5.5V |
| Output Voltage Range | 1.2V to 4.5V |
| Output Current | Up to 250mA |
| Quiescent Current (IQ) | 12µA (enabled) |
| Voltage Dropout | 120mV (typical) |
| PSRR | 82dB at 1kHz |
| Output Voltage Noise | < 6.5µVRMS |
| Output Voltage Tolerance | ±2% |
| Protection Features | Thermal-overload, short-circuit protection |
Key Features
- Low output voltage noise: < 6.5µVRMS
- High PSRR: 82dB at 1kHz
- Very low quiescent current: 12µA (enabled)
- Low dropout voltage: 120mV (typical)
- No noise bypass capacitor required
- Remote output capacitor placement
- Thermal-overload and short-circuit protection
- Stable with 1-µF ceramic input and output capacitors
- Enable feature
Applications
The LP5907UVX-3.0/NOPB is particularly suited for applications requiring low noise and high stability, such as RF and analog circuits. It is ideal for use in wireless communication devices, audio equipment, medical devices, and other applications where low noise and high PSRR are critical.
Q & A
- What is the maximum output current of the LP5907UVX-3.0/NOPB? The maximum output current is up to 250mA.
- What is the input voltage range of the LP5907UVX-3.0/NOPB? The input voltage range is from 2.2V to 5.5V.
- What are the available output voltage options for the LP5907UVX-3.0/NOPB? The device is available with fixed output voltages from 1.2V to 4.5V in 25mV steps.
- Does the LP5907UVX-3.0/NOPB require a noise bypass capacitor? No, it does not require a noise bypass capacitor.
- What is the typical voltage dropout of the LP5907UVX-3.0/NOPB? The typical voltage dropout is 120mV.
- What protection features does the LP5907UVX-3.0/NOPB have? It has thermal-overload and short-circuit protection features.
- What is the operating temperature range of the LP5907UVX-3.0/NOPB? The operating temperature range is -40°C to 125°C.
- What is the PSRR of the LP5907UVX-3.0/NOPB at 1kHz? The PSRR is 82dB at 1kHz.
- How much quiescent current does the LP5907UVX-3.0/NOPB consume when enabled? The quiescent current is 12µA when enabled.
- What type of capacitors are recommended for use with the LP5907UVX-3.0/NOPB? 1-µF ceramic input and output capacitors are recommended.
