Overview
The TLV755P, specifically the TLV75518PDBVR variant, is an ultra-small, low quiescent current, low-dropout regulator (LDO) from Texas Instruments. This device is designed to source up to 500mA of current and is optimized for a wide range of applications, particularly those requiring low core voltages for modern microcontrollers (MCUs). It features an input voltage range from 1.45V to 5.5V and is available in fixed output voltages ranging from 0.6V to 5V. The TLV755P is known for its excellent line and load transient performance, low dropout voltage, and integrated protection features such as thermal shutdown, current limit, and undervoltage lockout (UVLO).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 1.45 | - | 5.5 | V |
| Output Voltage Range | 0.6 | - | 5 | V |
| Output Current | - | - | 500 | mA |
| Quiescent Current (IQ) | - | 25 | - | μA |
| Dropout Voltage (VDO) | 238 | - | 1080 | mV |
| Power Supply Rejection Ratio (PSRR) | 46 | - | 52 | dB |
| Output Noise Voltage | - | 71.5 | - | μVRMS |
| Thermal Shutdown Temperature | 165 | - | - | °C |
| Operating Junction Temperature | -40 | - | 125 | °C |
Key Features
- Low Quiescent Current: Typical IQ of 25μA to minimize standby power consumption.
- Low Dropout Voltage: Dropout voltage as low as 238mV for high efficiency.
- Enable Functionality: Active high enable pin to control the regulator's operation.
- Internal Soft-Start: Reduces inrush current and provides a controlled voltage to the load during startup.
- Thermal Protection: Integrated thermal shutdown and current limit to protect against overload conditions.
- Undervoltage Lockout (UVLO): Ensures the device does not operate below the minimum input voltage required for stable operation.
- Small Ceramic Output Capacitors: Stable operation with small ceramic output capacitors, allowing for a compact solution size).
- Multiple Package Options: Available in WSON, X2SON, and SOT23-5 packages, including a thermally enhanced SOT23-5 package).
Applications
The TLV755P is suitable for a variety of applications, including:
- Modern Microcontrollers (MCUs): Supports the lower core voltages required by modern MCUs).
- Grid Infrastructure and Protection Relays: Reliable power supply for grid-related applications).
- Camera Modules and Image Sensors: Stable power supply for sensitive imaging components).
- Portable Electronics: Low power consumption and compact size make it ideal for portable devices).
- Industrial Automation: Robust and reliable power supply for industrial control systems).
Q & A
- What is the input voltage range of the TLV755P?
The input voltage range of the TLV755P is from 1.45V to 5.5V).
- What is the maximum output current of the TLV755P?
The TLV755P can source up to 500mA of output current).
- What is the typical quiescent current of the TLV755P?
The typical quiescent current (IQ) of the TLV755P is 25μA).
- Does the TLV755P have an enable function?
Yes, the TLV755P has an active high enable pin to control the regulator's operation).
- What protection features are integrated into the TLV755P?
The TLV755P includes thermal shutdown, current limit, and undervoltage lockout (UVLO) protection features).
- What are the available package options for the TLV755P?
The TLV755P is available in WSON, X2SON, and SOT23-5 packages, including a thermally enhanced SOT23-5 package).
- What is the operating junction temperature range of the TLV755P?
The operating junction temperature range of the TLV755P is from -40°C to +125°C).
- Does the TLV755P support small ceramic output capacitors?
Yes, the TLV755P is stable with small ceramic output capacitors, allowing for a compact solution size).
- What is the typical output noise voltage of the TLV755P?
The typical output noise voltage of the TLV755P is 71.5μVRMS).
- What is the power supply rejection ratio (PSRR) of the TLV755P?
The PSRR of the TLV755P is up to 52dB).
