Overview
The Texas Instruments UA78L05AIPK is a linear voltage regulator from the μA78L series, designed to provide a fixed output voltage of 5V. This regulator is part of a family that covers a range of fixed output voltages from 2.6V to 15V. The UA78L05AIPK is a three-terminal positive voltage regulator that offers high reliability and stability, making it suitable for various applications including on-card regulation, telecommunications, computing, and portable devices.
The device features internal thermal-overload protection and short-circuit current limiting, ensuring the regulator remains safe under adverse conditions. It does not require external components for stable operation, although external devices can be used to adjust voltage and current if needed.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Brand | Texas Instruments | |
| Maximum Output Current | 100 mA | mA |
| Regulator Type | Linear Voltage | |
| Number of Outputs | 1 | |
| Output Voltage | 5 V | V |
| Line Regulation | 150 mV | mV |
| Load Regulation | 60 mV | mV |
| Accuracy | ±5% | % |
| Mounting Type | Surface Mount | |
| Polarity | Positive | |
| Package Type | SOT-89 | |
| Pin Count | 3 | |
| Output Type | Fixed | |
| Dimensions | 4.5 x 2.5 x 1.5 mm | mm |
| Minimum Operating Temperature | -40 °C | °C |
| Maximum Operating Temperature | +125 °C | °C |
| Minimum Input Voltage | 7 V | V |
| Maximum Input Voltage | 20 V | V |
Key Features
- Internal thermal-overload protection and short-circuit current limiting for enhanced safety.
- No need for external components for stable operation, although external devices can be used for voltage and current adjustments.
- High power dissipation and output transistor safe-area compensation.
- Stable operation across a wide temperature range of –40°C to +125°C.
- Low dropout voltage and high ripple rejection (up to 49 dB at 120 Hz).
- Compact SOT-89 package for space-efficient designs.
Applications
- On-card regulation to eliminate noise and distribution problems associated with single-point regulation.
- Telecommunications and computing applications.
- Portable devices and battery-powered equipment.
- Motor drives, appliances, building automation, and flow transmitters.
- Factory automation and control systems.
Q & A
- What is the output voltage of the UA78L05AIPK?
The output voltage of the UA78L05AIPK is 5V.
- What is the maximum output current of the UA78L05AIPK?
The maximum output current is 100 mA.
- What type of package does the UA78L05AIPK come in?
The UA78L05AIPK comes in a 3-pin SOT-89 package.
- What is the operating temperature range of the UA78L05AIPK?
The operating temperature range is –40°C to +125°C.
- Does the UA78L05AIPK require external components for stable operation?
No, the UA78L05AIPK does not require external components for stable operation.
- What are the key safety features of the UA78L05AIPK?
The key safety features include internal thermal-overload protection and short-circuit current limiting.
- What is the minimum input voltage required for the UA78L05AIPK?
The minimum input voltage is 7 V.
- What is the maximum input voltage the UA78L05AIPK can handle?
The maximum input voltage is 20 V.
- What are some common applications of the UA78L05AIPK?
Common applications include on-card regulation, telecommunications, computing, portable devices, and factory automation.
- How does the UA78L05AIPK handle ripple rejection?
The UA78L05AIPK has a high ripple rejection of up to 49 dB at 120 Hz.
