Overview
The LT1964ES5-5#TRPBF is a micropower, low noise, low dropout negative voltage regulator produced by Analog Devices Inc. This device is designed to supply up to 200mA of output current and is particularly suited for applications requiring high reliability and low noise performance.
It features a compact 5-lead SOT-23 package, making it ideal for space-constrained designs. The regulator operates over a wide temperature range of –40°C to 125°C, ensuring robust performance in various environmental conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Regulated Output Voltage | VIN = –5.5V, ILOAD = –1mA | –4.925 | –4.850 | –5.075 | V |
| Maximum Output Current | 200 | mA | |||
| Input Voltage Range | –20 | V | |||
| Dropout Voltage | 340 | 420 | mV | ||
| Line Regulation | ΔVIN = –5.5V to –20V, ILOAD = –1mA | 15 | mV | ||
| Load Regulation | ΔVIN = –2.8V to –20V, ILOAD = –1mA | 15 | mV | ||
| PSRR / Ripple Rejection | VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = –200mA | 46 | 54 | dB | |
| Operating Junction Temperature Range | –40 | 125 | °C | ||
| Storage Temperature Range | –65 | 150 | °C |
Key Features
- Low Noise and Low Dropout: The LT1964ES5-5#TRPBF features low noise operation and a low dropout voltage, making it suitable for applications requiring high signal integrity and minimal voltage loss.
- High Current Capability: The regulator can supply up to 200mA of output current, supporting a wide range of load requirements.
- Wide Operating Temperature Range: It operates from –40°C to 125°C, ensuring reliability in various environmental conditions.
- Compact Package: The 5-lead SOT-23 package is ideal for space-constrained designs.
- High Ripple Rejection: With a PSRR of up to 54 dB, the regulator provides excellent noise rejection, making it suitable for sensitive electronic systems.
- Shutdown Feature: The device includes a shutdown pin that allows for power management and reduced quiescent current during standby modes.
Applications
- Automotive Systems: The LT1964ES5-5#TRPBF is suitable for automotive applications due to its high reliability and wide operating temperature range.
- Industrial Control Systems: It is used in industrial control systems where low noise and high current capability are essential.
- Telecommunications: The regulator's low noise and high ripple rejection make it a good choice for telecommunications equipment.
- Medical Devices: Its reliability and performance in a compact package make it suitable for medical devices that require stable and low-noise power supply.
Q & A
- What is the maximum output current of the LT1964ES5-5#TRPBF?
The maximum output current is 200mA.
- What is the operating temperature range of the LT1964ES5-5#TRPBF?
The operating temperature range is from –40°C to 125°C.
- What is the typical dropout voltage of the LT1964ES5-5#TRPBF?
The typical dropout voltage is 340mV.
- What is the ripple rejection (PSRR) of the LT1964ES5-5#TRPBF?
The ripple rejection is up to 54 dB.
- Does the LT1964ES5-5#TRPBF have a shutdown feature?
Yes, it includes a shutdown pin for power management.
- What is the package type of the LT1964ES5-5#TRPBF?
The package type is 5-lead SOT-23.
- What is the minimum input voltage for the LT1964ES5-5#TRPBF?
The minimum input voltage is –20V.
- What is the line regulation of the LT1964ES5-5#TRPBF?
The line regulation is 15mV.
- What is the load regulation of the LT1964ES5-5#TRPBF?
The load regulation is 15mV.
- Is the LT1964ES5-5#TRPBF RoHS compliant?
Yes, the LT1964ES5-5#TRPBF is RoHS compliant.
