MCP121T-315E/TT
Supervisory Circuits Open Drain LowMCP121T-315E/TT
Supervisory Circuits Open Drain Low
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Manufacturer Part # : MCP121T-315E/TT
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Package/Case: SOT23-3
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Brand: Microchip Technology
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Product Categories : Supervisors
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Service & Packaging
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MCP121T-315E/TT DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The MCP121T-315E/TT is a Microchip Technology voltage supervisor IC designed for monitoring power supply voltages in applications such as automotive, industrial, and consumer electronics. It features a voltage detection threshold of 3.15V, ensuring reliable system operation. This IC provides a reset output with an active-low push-pull topology, which can be connected to a microcontroller or other devices to initiate a system reset in case of voltage deviations. It has a low quiescent current consumption of 5µA, making it suitable for battery-powered devices and low-power applications. The MCP121T-315E/TT is housed in a 3-pin SOT-23 package, making it small and lightweight, ideal for space-constrained applications. Its wide operating temperature range of -40°C to 125°C ensures performance in harsh environments.
Key Features
- Economical package options: SOT23-3, SC70-3
- Low power consumption: 1.75uA (max)
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | Supervisory Circuits | RoHS | Details |
Type | Voltage Supervisory | Mounting Style | SMD/SMT |
Package / Case | SOT-23-3 | Threshold Voltage | 3.08 V |
Number of Inputs Monitored | 1 Input | Output Type | Active Low, Open Drain |
Manual Reset | No Manual Reset | Watchdog Timers | No Watchdog |
Battery Backup Switching | No Backup | Reset Delay Time | 120 ms |
Supply Voltage - Max | 5.5 V | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 125 C | Series | MCP121 |
Qualification | AEC-Q100 | Brand | Microchip Technology |
Chip Enable Signals | No Chip Enable | Height | 0.95 mm |
Length | 2.92 mm | Operating Supply Current | 20 uA |
Output Current ! | 10 mA | Overvoltage Threshold ! | 3.126 V |
Power Fail Detection | No | Product Type ! | Supervisory Circuits |
Factory Pack Quantity | 3000 | Subcategory | PMIC - Power Management ICs |
Supply Voltage - Min | 1 V | Undervoltage Threshold ! | 3.034 V |
Width | 1.3 mm | Unit Weight | 0.000282 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is MCP121T-315E/TT?
The MCP121T-315E/TT is a low quiescent current, low dropout (LDO) voltage regulator designed by Microchip Technology. It is ideal for applications requiring stable and regulated power supply with minimal power consumption, such as battery-powered devices, portable electronics, and automotive systems.
How Does MCP121T-315E/TT Work?
The MCP121T-315E/TT works by regulating the input voltage to a stable output voltage with low dropout voltage. It operates with low quiescent current, ensuring minimal power consumption when providing a continuous and stable output voltage. The regulator is designed to provide reliable power in battery-operated and energy-efficient applications.
How Many Pins does MCP121T-315E/TT have and What are the Functions of the Pinout Configuration?
The MCP121T-315E/TT is housed in a 4-lead SOT-23 package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Regulated output voltage pin.
- GND: Ground pin.
- SHDN: Shutdown control pin for enabling/disabling the regulator.
What are the Pros and Cons of MCP121T-315E/TT?
Pros:
- Low Quiescent Current: Operates with minimal standby current, suitable for battery-powered devices.
- Low Dropout Voltage: Provides stable output even with small input-output voltage differentials.
- Small Package: The SOT-23 package is compact, making it suitable for space-constrained designs.
- Wide Input Voltage Range: Supports a wide input voltage range for versatility in various applications.
- Short-Circuit Protection: Includes built-in short-circuit protection for added robustness.
Cons:
- Limited Current Capability: May not be suitable for high-current applications.
- External Capacitors: Requires external capacitors for stability and output filtering.
- Thermal Considerations: May require attention to thermal dissipation in certain operating conditions.
Are There Any Equivalents/Alternatives to MCP121T-315E/TT for Recommendation?
- The MIC5504 from Microchip Technology is a comparable low quiescent current LDO voltage regulator.
- Alternatives to the MCP121T-315E/TT include the LM2937 from Texas Instruments and the XC6206 from Torex Semiconductor.
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