Allicdata Part #: | DS1817R-20/T&R-ND |
Manufacturer Part#: |
DS1817R-20/T&R |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC 2.55V ACT HI 20% SOT23 |
More Detail: | Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-... |
DataSheet: | DS1817R-20/T&R Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | EconoReset |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Type: | Simple Reset/Power-On Reset |
Number of Voltages Monitored: | 1 |
Output: | Push-Pull, Totem Pole |
Reset: | Active High |
Reset Timeout: | 100 ms Minimum |
Voltage - Threshold: | 2.55V |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | TO-236-3, SC-59, SOT-23-3 |
Supplier Device Package: | SOT-23-3 |
Base Part Number: | DS1817 |
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The DS1817R-20/T&R is a small form factor, low-power PMIC - Supervisor that is highly flexible for system-level power optimization. With its integrated and programmable LDO regulator and Supervisory circuit, the devices provide up to 8.2 W of total output power, a wide input voltage range, precision supply voltage, and control features. The combination of PMIC - Supervisors\' features and features of the integrated LDO regulators ensure the best power-management solution for the demands of today\'s high-performance and low-power systems.
Application Fields and Power Optimization:
The DS1817R-20/T&R is particularly suitable for high-performance and low-power systems in applications such as Industrial Automation, Medical, Automotive, Industrial and Home Entertainment, Telecom Base Stations, etc.
The PMIC - Supervisors provide the ability to optimize power requirements in all type of applications with its programmable voltage, current, temperature and digital key-lock-sensitive circuit. Pre-programmed and electronically controlled pins available on the device enable system optimization for power savings and/or improved performance. In addition, the device has various monitoring and programming options, such as programmable over-voltage and under-voltage protection, over-temperature protection, current monitoring, voltage warning thresholds and more.
Working Principle:
The DS1817R-20/T&R is based on a multi-channel circuit topology. The device has a main Supervisory circuit and an integrated LDO regulator. Events detected by the Supervisory circuit are indicated through a control register. Events sensed by the integrated LDO regulator are also indicated by a control register.
The Supervisory circuit features a monitoring circuit and a key-lock circuit. Each channel in the monitoring circuit is connected to a single integrated LDO Regulator. The key-lock circuit is a digital circuit that is used to detect and issue power-on reset (POR) signals. It is also used to detect digital key-lock events, such as system enable or disable, critical protection enable and disable, etc. When one of these events is detected, it will broadcasted an interrupt to the microcontroller and can be enabled/disabled depending on the settings of the control registers bits.
The LDO Regulator features a digitally programmable output voltage, current, and temperature protection. It has several power sources available, including Connector Power and Battery backup supplies, to provide uninterrupted power supply to the system even during an input power failure. The other power sources load power from the main channel, such as the battery supply, to provide an additional power backup for the critical components in the system. Also, the device has an adjustable power switch capacity, allowing system optimization for improved performance and/or power savings.
The combination of PMIC - Supervisors\' features and features of the integrated LDO regulators enables superior power management for the demands of today\'s low-power and high-performance systems. This device is ideal for a wide range of applications, from industrial automation and medical to automotive, telecommunications, and home entertainment.
The specific data is subject to PDF, and the above content is for reference
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