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Product Detailed Parameters
- Description：IC VREF SHUNT 0.5% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：10V
- Current - Output：15 mA
- 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
- Grade：-
- Qualification：-
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Overview
The LM4040CIM3X-10 is a precision micropower shunt voltage reference from Texas Instruments, providing a fixed reverse breakdown voltage of 10 V. It operates within an industrial temperature range of -40°C to +85°C and features a maximum initial tolerance of ±0.5%. The device requires a minimum operating current of 100 μA and supports a maximum cathode current of 15 mA. It utilizes a SOT-23 surface-mount package with three pins.
Feature Summary
- Eliminates the need for external stabilizing capacitors while ensuring stability with any capacitive load
- Uses fuse and Zener-zap reverse breakdown voltage trim during wafer sort to ensure accuracy
- Bandgap reference temperature drift curvature correction ensures stable voltage over wide temperature ranges
Applications
- Portable, battery-powered equipment
- Data acquisition systems
- Instrumentation
- Process controls
- Automotive applications
Procurement Notes
Verify the specific suffix 'X' indicates tape-and-reel packaging when sourcing. Confirm that the 'C' grade corresponds to the required ±0.5% tolerance specification. Ensure the component meets AEC-Q100 requirements if automotive qualification is necessary for the target application environment.
Selection Notes
Select this component for space-critical designs requiring a compact SOT-23 footprint. It is suitable for applications needing a stable 10 V reference without external compensation components. Consider the 100 μA minimum current requirement when designing the biasing circuit to ensure proper regulation under all operating conditions.
Part Context
This part belongs to the LM4040-N family of precision micropower shunt voltage references. The family offers various fixed voltages including 2.048 V, 2.5 V, 3 V, 4.096 V, 5 V, 8.192 V, and 10 V. The LM4040-N series is designed for high accuracy and low power consumption in portable and industrial applications.
Replacement Considerations
LM4040DIM3X-10/NOPB: Offers ±1% tolerance instead of ±0.5%. LM4040AIM3X-10/NOPB: Offers ±0.1% tolerance instead of ±0.5%. Verify package compatibility and thermal characteristics when substituting.
