Overview
The LTC2919HMS-5#TRPBF, produced by Analog Devices Inc., is a versatile triple/dual input monitor designed for various system monitoring applications. This device features polarity selection and a buffered reference output, making it suitable for a range of power management and supervisory tasks. It is available in a 10-lead plastic MSOP package and operates over a temperature range of -40°C to 125°C, making it robust for different environmental conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Operating Supply Voltage (VCC) | - | 4.75 | - | 5.25 | V |
| Operating Temperature | - | -40 | - | 125 | °C |
| Timer Disable Voltage (VTMR(DIS)) | VCC - 0.40 | VCC - 0.20 | VCC - 0.10 | V | |
| Timer Internal Mode Voltage (VTMR(INT)) | 0.10 | 0.20 | 0.40 | V | |
| Reset Timeout | - | - | 140 ms | - | ms |
| Output Type | - | Open Drain or Open Collector | - | - | - |
| Reset | - | Active Low | - | - | - |
Key Features
- Polarity selection for monitoring inputs with either positive or negative polarity.
- Buffered reference output for stable voltage reference.
- Adjustable threshold voltages for customizable monitoring.
- Timer functions with internal and external modes.
- Open drain or open collector output for flexible integration.
- Active low reset with a minimum timeout of 140 ms.
Applications
- Power Monitors and Control Systems: Ideal for monitoring power supplies and managing power distribution.
- Supervisory Circuits: Used in systems requiring voltage monitoring and reset functions.
- Hot Swap Controllers: Helps in managing the insertion and removal of power modules without disrupting the system.
- Energy Monitors: Suitable for monitoring energy consumption in various systems.
- Current Limit Switches and High-Side Switches: Used in applications requiring current limiting and high-side switching.
Q & A
- What is the operating temperature range of the LTC2919HMS-5#TRPBF?
The operating temperature range is -40°C to 125°C. - What types of outputs does the LTC2919HMS-5#TRPBF have?
The outputs are open drain or open collector. - What is the reset type and timeout for the LTC2919HMS-5#TRPBF?
The reset is active low with a minimum timeout of 140 ms. - Can the polarity of the monitored inputs be selected?
Yes, the polarity can be selected for either positive or negative inputs. - What is the purpose of the buffered reference output?
The buffered reference output provides a stable voltage reference for the system. - What are the timer modes available in the LTC2919HMS-5#TRPBF?
The device has internal and external timer modes. - How can the threshold voltages be adjusted?
The threshold voltages can be adjusted using the ADJ1 and ADJ2 pins. - Is the LTC2919HMS-5#TRPBF suitable for automotive applications?
No, the automotive grade products are designated with a #W suffix and are not applicable to this specific model unless specified otherwise. - What package type is the LTC2919HMS-5#TRPBF available in?
The device is available in a 10-lead plastic MSOP package. - What is the typical propagation delay for the comparator?
The propagation delay for the comparator is specified in the datasheet and depends on the specific conditions).
