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LTC2907ITS8
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Especificações
| Atributo | Valor |
| Brand | Analog Devices |
| ProductType | Supervisory Circuits |
| Series | LTC2907 |
| Subcategory | PMIC - Power Management ICs |
| MountingStyle | SMD/SMT |
| Package/Case | SOT-8 |
| OperatingSupplyCurrent | 50 uA |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
Visão Geral
Description
The LTC2907 can trigger a reset signal when the monitored voltage falls below the programmed threshold, ensuring that the microcontroller or other components operate within safe voltage limits. It operates over a wide supply voltage range and includes features such as a short delay time to prevent false triggering due to noise.
With a compact 8-lead TSOT-23 package, the LTC2907ITS8 is suitable for space-constrained designs. This IC is commonly used in battery-powered devices, automotive applications, and consumer electronics, where reliable voltage monitoring is essential for system stability and integrity.
Equivalent
Features
1. Voltage Monitoring: Supports adjustable threshold voltages for both rising and falling edges, enabling precise voltage detection.
2. Fault Detection: Includes a reset output that signals when the monitored voltage is out of the specified range.
3. Low Power Consumption: Operates with minimal current draw, making it suitable for battery-powered applications.
4. Wide Supply Voltage Range: Can function with supply voltages from 1.2V to 15V, accommodating various system requirements.
5. Fast Response Time: Quick reset response time, ensuring timely signaling of voltage anomalies.
6. Hysteresis: Integrated hysteresis helps prevent false triggering due to noise or minor voltage fluctuations.
7. Compact Package: Available in an 8-pin TSOT-23 package, facilitating space-efficient designs.
These features make the LTC2907ITS8 ideal for a variety of applications, including microcontroller reset systems and power management in electronic devices.
Pinout
Pin Count and Functions:
1. Pin 1 (GND): Ground reference.
2. Pin 2 (VCC): Supply voltage input, typically used to power the device.
3. Pin 3 (RESET): Active-low reset output; goes low when monitored voltage is out of range.
4. Pin 4 (OUT): Open-drain output indicating reset status.
5. Pin 5 (SENSE): Voltage sense input; monitors the regulated voltage.
6. Pin 6 (VREF): Reference voltage output; used for external monitoring.
7. Pin 7 (THRESHOLD): Adjustable threshold setting for voltage detection.
8. Pin 8 (NC): No connection; typically left unconnected.
The LTC2907 is commonly used in applications that require power supply supervision to ensure system stability and prevent malfunction during voltage sags or drops.
Manufacturer
Analog Devices is recognized for its innovation in signal processing technology and has a strong emphasis on research and development. The LTC2907 series, including the LTC2907ITS8, specifically focuses on voltage supervisors, which monitor system voltages to ensure reliable operation and prevent malfunction due to voltage fluctuations. The company's products are essential in enhancing the performance and reliability of electronic systems across multiple industries.
Application
1. Microcontroller Reset: Ensures proper reset of microcontrollers when power is applied or during brownout conditions.
2. Telecommunications: Maintains reliable operation of communication equipment during voltage fluctuations.
3. Industrial Automation: Monitors power supplies in industrial control systems for safety and reliability.
4. Battery-Powered Devices: Protects against over-discharge and ensures the correct operation of portable electronics.
5. Consumer Electronics: Used in devices like smartphones, tablets, and laptops to manage power stability.
These applications benefit from its precision voltage monitoring and adjustable reset thresholds.