White LED Drivers
Series：White LED driver W-5626
| Input Voltage | 3.0-5.5V |
|---|---|
| Type for boosting | Charge pump regulator |
| Package | QFN16 (4x4 mm) |
| Maximum no. of LEDs | 6 |
| Output current | 32/ch mA |
| Features | Thermal shutdown protection,Soft start and current limiting,Short circuit protection |
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Series：White LED driver W-5200
| Input Voltage | 2.7 - 4.5V |
|---|---|
| Type for boosting | Charge pump regulator |
| Package | 8-MSOP |
| Maximum no. of LEDs | 6 |
| Output current | 100 mA |
| Features | Foldback current overload protection,Thermal overload shutdown protection |
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Series：White LED driver W-6238
| Input Voltage | ‐5.5V |
|---|---|
| Type for boosting | Boost regulator |
| Package | 5-SOT23 |
| Maximum no. of LEDs | 10 |
| Output current | 30 mA |
| Features | Thermal overload protection,Soft start “in-rush” current limiting |
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Series：White LED driver W-6237
| Input Voltage | 2.8‐5.5V |
|---|---|
| Type for boosting | Boost regulator |
| Package | 5-SOT23 |
| Maximum no. of LEDs | 8 |
| Output current | 40 mA |
| Features | Thermal shutdown protection,High Voltage Power Switch |
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Series：White LED driver W-6139
| Input Voltage | 2.8‐5.5V |
|---|---|
| Type for boosting | Boost regulator |
| Package | 5-SOT23 |
| Maximum no. of LEDs | 27 |
| Output current | 180 mA |
| Features | Drives LED Strings up to 22 V,Soft Start “In−rush” Current Limiting,Thermal Overload Protection, |
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Series：White LED driver W-6137
| Input Voltage | 2.2‐5.5V |
|---|---|
| Type for boosting | Boost regulator |
| Package | 5-SOT23 |
| Maximum no. of LEDs | 5 |
| Output current | 30 mA |
| Features | Soft start power-up,Thermal shutdown protection |
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Series：White LED driver W-52
| Input Voltage | 2.0~7.0V |
|---|---|
| Type for boosting | Boost regulator |
| Package | 6-SOT-23 |
| Maximum no. of LEDs | 4 |
| Output current | 40mA |
| Features | Compatible pinout with LT1932 |
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Series：Notes to White LED Drivers
| Click on below, you can download the PDF. | |
| Note.1 | Prior to placing a purchase order |
|---|---|
| Note.2 | Outline, Part number designation, Quick reference table |
| Note.3 | Package dimensions, Packaging |
| Note.4 | Evaluation board and Demonstration board |
| Note.5 | Circuitry structure and operation |
| Note.6 | Applications in circuitry |
| Remarks | Our White LED Driver “W series” can be carried out using our evaluation board and demonstration board, With these boards, your product development time will surely be short. |
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Series：Application Notes
| Click on below, you can download the PDF. | |
|
Application |
W-52 Evaluation board for white LED drivers: W-52EVAL1 |
|---|---|
| Application Note.24 |
W-6237 Evaluation board for high voltage white LED drivers: W-6237EVAL2 |
| Application Note.26 |
W-6137 Evaluation board for white LED drivers: W-6137EVAL1 |
| Application Note.30 |
W-5626 Evaluation and demo board for 6-channel LED drivers: W-5626DB1 |
|
Application |
W-6238 Evaluation board for 10-LED boost converter: W-6238EVAL1 |
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Series：Design Notes
| Click on below, you can download the PDF. | |
| Design Note.9 |
W-52 White LED Driver Efficiency and Inductor value Tradeoffs |
|---|---|
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