Overview
The Texas Instruments LP38693SD-ADJ/NOPB is a high-performance, low-dropout (LDO) linear voltage regulator designed to provide a stable and efficient power supply solution. This regulator is part of the LP3869x series and is known for its low quiescent current, reduced output noise, and excellent line voltage regulation. It is particularly suited for applications requiring a wide input voltage range and high precision output voltage.
Key Specifications
| Specification | Value |
|---|---|
| Brand | Texas Instruments |
| Maximum Output Current | 500 mA |
| Regulator Type | Low Dropout Voltage |
| Output Voltage Range | 1.25 V to 9 V |
| Number of Outputs | 1 |
| Line Regulation | 0.1 %/V |
| Accuracy | 2% |
| Load Regulation | 5 %/A |
| Mounting Type | Surface Mount |
| Polarity | Positive |
| Package Type | WSON (NGG) 6-Pin |
| Quiescent Current | 55 µA (Typical) |
| Pin Count | 6 |
| Output Type | Adjustable |
| Minimum Operating Temperature | -40 °C |
| Minimum Input Voltage | 2.7 V |
| Maximum Operating Temperature | +125 °C |
| Maximum Input Voltage | 10 V |
| Dropout Voltage | 250 mV at 500 mA |
Key Features
- Wide Input Voltage Range: 2.7 V to 10 V
- Output Voltage Range: 1.25 V to 9 V with 2% precision reference voltage
- Low Dropout Voltage: 250 mV at 500 mA load current
- Excellent AC Performance: Using ultra-low equivalent series resistance (ESR) ceramic output capacitors
- Thermal Overload Protection: Ensures safe operation under high ambient temperatures
- Foldback Current Limiting: Protects the regulator from excessive current draw
- Enable (EN) Pin: Allows for easy on/off control of the regulator
- Low Quiescent Current: 55 µA (Typical) in full load conditions
- AEC-Q100 Grade 1 Compliance: Suitable for automotive applications
Applications
The Texas Instruments LP38693SD-ADJ/NOPB is versatile and can be used in a variety of applications, including:
- Automotive Systems: Due to its AEC-Q100 Grade 1 compliance, it is suitable for use in automotive electronics.
- Industrial Control Systems: Its high precision and stability make it ideal for industrial control and automation systems.
- Consumer Electronics: It can be used in various consumer electronic devices requiring stable and efficient power supply.
- Medical Devices: Its low noise and high precision make it suitable for medical devices that require reliable power supply.
Q & A
- What is the maximum output current of the LP38693SD-ADJ/NOPB?
The maximum output current is 500 mA.
- What is the input voltage range for this regulator?
The input voltage range is from 2.7 V to 10 V.
- What is the output voltage range of the LP38693SD-ADJ/NOPB?
The output voltage range is from 1.25 V to 9 V.
- What type of package does the LP38693SD-ADJ/NOPB come in?
The regulator comes in a WSON (NGG) 6-Pin package.
- Does the LP38693SD-ADJ/NOPB have thermal protection features?
Yes, it includes thermal overload protection and foldback current limiting.
- What is the quiescent current of the LP38693SD-ADJ/NOPB?
The quiescent current is typically 55 µA.
- Is the LP38693SD-ADJ/NOPB RoHS compliant?
Yes, it is RoHS compliant.
- What is the operating temperature range of the LP38693SD-ADJ/NOPB?
The operating temperature range is from -40 °C to +125 °C.
- Does the LP38693SD-ADJ/NOPB have an enable pin?
Yes, it has an enable (EN) pin for on/off control.
- What is the dropout voltage of the LP38693SD-ADJ/NOPB at 500 mA load current?
The dropout voltage is 250 mV at 500 mA load current.
