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Product Detailed Parameters
- Description：IC VREF SHUNT 3V SC70
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：3V
- Voltage - Output (Max)：-
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SC-70-3
- Grade：-
- Qualification：-
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Overview
The LM4040DIX3-3.0+T is a precision, two-terminal shunt mode bandgap voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse-breakdown output voltage of 3.000V with an initial accuracy of 1%. The device operates within a temperature range of -40°C to +85°C and features a maximum average reverse voltage temperature coefficient of 150ppm/°C at 1mA bias current. It supports a wide operating current range from 60μA to 15mA and utilizes a subminiature 3-pin SC70 surface-mount package.
Feature Summary
- Ultra-small 3-pin SC70 package designed for space-critical applications
- Laser-trimmed resistors ensure precise initial accuracy
- Stable operation without requiring external stabilizing capacitors
- Capable of tolerating any capacitive load
Applications
- Portable, battery-powered equipment
- Notebook computers
- Cell phones
- Industrial process controls
- Automotive systems
Procurement Notes
Verify the specific suffix 'I' indicates the industrial temperature range (-40°C to +85°C) rather than the extended range. Confirm the 'X3' designation corresponds to the SC70 package type. Ensure the '+T' suffix matches the required tape and reel packaging format for automated assembly processes.
Selection Notes
Select this component when a compact footprint is required alongside stable shunt regulation. The 1% accuracy grade suits applications where tighter tolerances are unnecessary. Verify that the source resistance allows maintaining the minimum operating current while preventing excessive power dissipation under maximum supply voltage conditions.
Part Context
This part belongs to the LM4040 family of micropower shunt voltage references. The series offers multiple fixed breakdown voltages including 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. Variants exist in both SOT23 and SC70 packages with different accuracy grades ranging from 0.1% to 1%.
Replacement Considerations
LM4040DIM3-3.0+T (SOT23-3 package equivalent)
FAQ
Does the LM4040DIX3-3.0+T require an external capacitor for stability?
No, the device does not require an external stabilizing capacitor and remains stable with any capacitive load.
What is the pin configuration for the SC70 package?
Pin 1 is the positive terminal, Pin 2 is the negative terminal, and Pin 3 is no connection (N.C.). Pin 3 must be left unconnected or connected to Pin 2.
