Overview
The TS432AILT is an adjustable low power shunt voltage reference produced by STMicroelectronics. This component provides an output voltage ranging from 1.24 V to 10 V, making it versatile for various applications. It is designed to operate within the industrial temperature range of -40°C to +85°C and is available in the SOT23-3 surface mount package, which is ideal for space-saving designs. The TS432AILT is characterized by its ultra-low operating current, high precision, and stability, making it suitable for power-restricted and high-accuracy applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reference Voltage | Vref | 1.24 V (typ.) | V |
| Operating Current | IKmin | 40 µA (min), 60 µA (max) at 25°C | µA |
| Temperature Coefficient | ΔVref/ΔT | 7 to 16 mV/°C | mV/°C |
| Cathode Voltage | VK | 1.24 V to 10 V | V |
| Cathode Current | IK | 60 µA to 12 mA | mA |
| Ambient Temperature Range | Tamb | -40°C to +85°C | °C |
| Power Dissipation | Pd | 340 mW (SOT23-3 package) | mW |
| Thermal Resistance Junction to Ambient | Rthja | 360 °C/W (SOT23-3 package) | °C/W |
Key Features
- Adjustable Output Voltage: The TS432AILT allows the output voltage to be set between 1.24 V and 10 V using external resistors.
- Ultra-Low Operating Current: Maximum operating current of 60 µA at 25°C, making it suitable for power-restricted designs.
- High Precision: Reference voltage tolerance of ±0.5% for the TS432AILT model.
- High Stability: Stable operation with capacitive loads and over the industrial temperature range.
- Low Dynamic Output Impedance: Ensures minimal voltage drop under varying load conditions.
- Low Noise: Wide band noise of 200 nV/√Hz at 100 Hz to 10 kHz.
- ECOPACK Compliant: Available in lead-free, halogen-free packages.
Applications
- Computers: Used in power management and voltage regulation circuits.
- Instrumentation: Ideal for precision measurement and control systems.
- Battery Chargers: Provides stable reference voltage for charging circuits.
- Switch Mode Power Supplies (SMPS): Used for voltage regulation and feedback loops.
- Battery Operated Equipment: Suitable for low-power, portable devices.
Q & A
- What is the typical output voltage of the TS432AILT?
The typical output voltage is 1.24 V, but it can be adjusted up to 10 V using external resistors.
- What is the maximum operating current of the TS432AILT?
The maximum operating current is 60 µA at 25°C.
- What is the temperature range for the TS432AILT?
The TS432AILT operates within the industrial temperature range of -40°C to +85°C.
- What is the power dissipation limit for the SOT23-3 package?
The power dissipation limit is 340 mW for the SOT23-3 package.
- Is the TS432AILT RoHS compliant?
- What is the thermal resistance junction to ambient for the SOT23-3 package?
The thermal resistance junction to ambient is 360 °C/W for the SOT23-3 package.
- What are the typical applications of the TS432AILT?
The TS432AILT is used in computers, instrumentation, battery chargers, switch mode power supplies, and battery-operated equipment.
- How stable is the TS432AILT with capacitive loads?
The TS432AILT is highly stable when used with capacitive loads.
- What is the wide band noise of the TS432AILT?
The wide band noise is 200 nV/√Hz at 100 Hz to 10 kHz.
- What is the minimum operating cathode current for the TS432AILT?
The minimum operating cathode current is 40 µA at 25°C.
