Overview
The LT1963AES8-1.8#TRPBF is a low dropout (LDO) voltage regulator produced by Analog Devices Inc. This device is part of the LT1963A series, which is optimized for fast transient response and low noise, making it ideal for sensitive RF supply applications. The LT1963AES8-1.8#TRPBF is specifically configured to provide a fixed output voltage of 1.8V and can supply up to 1.5A of output current.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Output Voltage | 1.737 | 1.800 | 1.827 | V |
| Output Current | 1.5 | A | ||
| Dropout Voltage | 340 | mV | ||
| Input Voltage Range | 2.3 | 20 | V | |
| Quiescent Current | 1 | mA | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Ripple Rejection (120Hz) | 55 | 63 | dB | |
| Package Type | 8-Lead SO |
Key Features
- Low dropout voltage of 340mV, ensuring efficient power supply.
- Fast transient response, making it suitable for dynamic load conditions.
- Low output noise, ideal for sensitive RF and other noise-critical applications.
- Stable operation with output capacitors as low as 10µF.
- Internal protection circuitry including reverse battery protection, current limiting, and thermal limiting.
- Quiescent current of 1mA, dropping to less than 1µA in shutdown mode.
Applications
The LT1963AES8-1.8#TRPBF is suitable for a variety of applications, including:
- Sensitive RF supply applications due to its low noise characteristics.
- Power supply systems requiring fast transient response and low dropout voltage.
- Automotive and industrial systems where reliability and robust protection features are essential.
- General-purpose voltage regulation in electronic devices where high current and low noise are required.
Q & A
- What is the output voltage of the LT1963AES8-1.8#TRPBF? The output voltage is fixed at 1.8V.
- How much output current can the LT1963AES8-1.8#TRPBF supply? It can supply up to 1.5A of output current.
- What is the dropout voltage of this regulator? The dropout voltage is 340mV.
- What is the operating temperature range of the LT1963AES8-1.8#TRPBF? The operating temperature range is -40°C to 125°C.
- What type of package does the LT1963AES8-1.8#TRPBF come in? It comes in an 8-Lead SO package.
- Does the LT1963AES8-1.8#TRPBF have internal protection features? Yes, it includes reverse battery protection, current limiting, and thermal limiting.
- What is the quiescent current of the LT1963AES8-1.8#TRPBF? The quiescent current is 1mA, dropping to less than 1µA in shutdown mode.
- How much ripple rejection does the LT1963AES8-1.8#TRPBF provide at 120Hz? It provides a ripple rejection of 55 to 63 dB at 120Hz.
- What is the minimum output capacitor required for stable operation? The device is stable with output capacitors as low as 10µF.
- Is the LT1963AES8-1.8#TRPBF suitable for automotive applications? Yes, it is suitable for automotive applications, but ensure to check the specific automotive-grade versions.
