150 mA LED driver in SOT457
Buy from Nexperia
| SKU | Stock* | MOQ | Price per unit** | Quantity |
|---|
Buy from distributors
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
| Seller | SKU | Stock | MOQ | 1 | 10 | 100 | 1,000 | 10,000 | Purchase |
|---|
* Stock values are subject to change
** Displayed price per unit is based on small quantity orders
*** Authorized resellers for overstock, mature, and discontinued products which are warranted for reliability by the reseller, no longer by Nexperia
** Displayed price per unit is based on small quantity orders
*** Authorized resellers for overstock, mature, and discontinued products which are warranted for reliability by the reseller, no longer by Nexperia
Features and benefits
- Stabilized output current of 10 mA without external resistor
- Stabilized output current adjustable up to 150 mA when an external resistor is used
- High current accuracy at supply voltage variation
- Low voltage overhead of 1.4 V
- Reduces component count and board space
- High power dissipation of 750 mW
- Supply voltage up to 40 V
- Digital PWM input up to 10 kHz frequency for NCR421U
- AEC-Q101 qualified
Applications
- Constant LED driver
- Generic constant current source
- Automotive applications (for example: interior lighting, dash board, instrumentation, number plate light)
- Increase stabilized output current by paralleling drivers
Parametrics
| Type number | Package version | Package name | Size (mm) | VSUP [max] (V) | Limiting IO with external resistor [max] (mA) | IO [max] (mA) | Ptot [max] (mW) | Polarity |
|---|---|---|---|---|---|---|---|---|
| NCR421U | SOT457 | SC-74; TSOP6 | 2.9 x 1.5 x 1 | 40 | 150 | 11 | 750 | NPN |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| NCR421U | NCR421UX ( 9340 702 97115 ) | Active | L7 |  SC-74; TSOP6 (SOT457) | SOT457 | WAVE_BG-BD-1 | Reel 7” Q1/T1 or Q2/T3 |
Quality, reliability & chemical content
| Type number | Orderable part number | Chemical content | RoHS / RHF | MSL | MSL leadfree |
|---|---|---|---|---|---|
| NCR421U | NCR421UX | NCR421U |   | 1 | 1 |
Documentation (7)
| File name | Title | Type | Date |
|---|---|---|---|
| NCR420U_NCR421U | 150 mA LED driver in SOT457 | Data sheet | 2019-02-04 |
| Nexperia_document_factsheet_LED_Driver_2020 | Constant current LED Drivers | Leaflet | 2020-08-18 |
| Nexperia_document_factsheet_LED_Driver_2020_CHN | LED Driver Factsheet CHN | Leaflet | 2020-08-20 |
| NCR421U_Nexperia_Product_Quality | NCR421U Nexperia Product Quality | Quality document | 2019-05-20 |
| NCR421U_Nexperia_Product_Reliability | NCR421U Nexperia Product Reliability | Quality document | 2021-03-19 |
| NCR421U | NCR421U SPICE model | SPICE model | 2021-11-16 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
Support
If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.
Models
| File name | Title | Type | Date |
|---|---|---|---|
| NCR421U | NCR421U SPICE model | SPICE model | 2021-11-16 |
Ordering, pricing & availability
| Type number | Orderable part number | Ordering code (12NC) | Packing | Buy online |
|---|---|---|---|---|
| NCR421U | NCR421UX | 934070297115 | Reel 7” Q1/T1 or Q2/T3 | Order product |
Sample
As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.
Sample orders normally take 2-4 days for delivery.
If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.