Overview
The NCR402U125 is a 20 mA LED driver produced by NXP USA Inc. This component is designed to provide a stable output current, making it suitable for various LED lighting applications. It is packaged in a SOT457 (SC-74) plastic package, which is compact and efficient for use in space-constrained designs.
Key Specifications
| Type Number | Package Version | Package Name | Size (mm) | V SUP [max] (V) | Limiting I O with external resistor [max] (mA) | I O [max] (mA) | P tot [max] (mW) | Channel Type | Automotive Qualified |
|---|---|---|---|---|---|---|---|---|---|
| NCR402U | SOT457 | TSOP6 | 2.9 x 1.5 x 1 | 40.0 | 65.0 | 23.0 | 650.0 | PNP | Yes |
Key Features
- Stabilized output current of 20 mA with high current accuracy at supply voltage variation.
- Low voltage overhead of 1.4 V.
- High power dissipation of 750 mW.
- Stabilized output current adjustable up to 65 mA when an external resistor is used.
- Constant current LED driver and generic constant current source.
- Qualified according to AEC-Q101, making it suitable for automotive applications.
- Reduces component count and board space due to its integrated design.
Applications
The NCR402U125 is primarily used in LED lighting applications, including automotive, industrial, and consumer electronics. Its stability and accuracy make it ideal for constant current LED driving and generic constant current sources. It is also suitable for use in battery-constrained devices where power efficiency is crucial.
Q & A
- What is the maximum supply voltage for the NCR402U125?
The maximum supply voltage for the NCR402U125 is 40 V. - What is the maximum output current without an external resistor?
The maximum output current without an external resistor is 23 mA. - Can the output current be adjusted?
Yes, the output current can be adjusted up to 65 mA using an external resistor. - Is the NCR402U125 qualified for automotive applications?
Yes, the NCR402U125 is qualified according to AEC-Q101, making it suitable for automotive applications. - What is the package type of the NCR402U125?
The NCR402U125 is packaged in a SOT457 (SC-74) plastic package. - What is the maximum power dissipation of the NCR402U125?
The maximum power dissipation is 750 mW. - Does the NCR402U125 reduce component count and board space?
Yes, it reduces component count and board space due to its integrated design. - What are the typical applications of the NCR402U125?
The typical applications include LED lighting in automotive, industrial, and consumer electronics. - How does the NCR402U125 ensure high current accuracy?
The NCR402U125 ensures high current accuracy through its stabilized output current feature, which maintains accuracy even at supply voltage variations. - Can I order samples of the NCR402U125?
Yes, samples can be ordered through NXP's sales organization or through their network of global and regional distributors.
