A small, low forward voltage Schottky barrier diode suitable for voltage booster circuits of LCD backlights: CLS10F40
Product News 2018-09
Toshiba Electronic Devices & Storage Corporation ("Toshiba") has launched "CLS10F40," a small, low forward voltage Schottky barrier diode suitable for voltage booster circuits of white LED backlights for LCDs (liquid crystal displays) used in mobile devices.
LCDs used in mobile devices often use white LEDs as the light sources for backlights. To drive the white LEDs stably, the voltage supplied by the battery needs to be boosted up.
The new product CLS10F40 is used for the rectification of the voltage booster circuits and features a reverse voltage of 40 V and an average forward current of 1 A, supporting an increased number of white LEDs. Its excellent characteristics include both its maximum forward voltage of 0.45 V[1] and maximum leakage current of 25 μA[2], contributing to higher efficiency and lower power consumption of voltage booster circuits. In addition, it is mounted in the small CL2E package (1.0×0.6 mm), contributing to smaller printed circuit boards.
CLS10F40 has reduced its forward voltage by about 17 % compared to the conventional product CBS10F40, and its mounting area has been reduced by about 60 %. Even among products in our lineup, this product can contribute to lower power consumption and smaller printed circuit boards in a well-balanced way.
Notes:
[1] @IF=500 mA
[2] @VR=40 V
Features
- Small CL2E package: 1.0×0.6 mm (typ.)
- Low forward voltage: VF=0.45 V (max) @IF=500 mA
- Low leakage current (Low reverse current): IR=25 μA (max) @VR=40 V
Applications
- Mobile devices (Smart phone, tablet)
- Game consoles, etc.
Product Specifications
(@Ta=25 °C)
| Part number | Package |
Absolute maximum ratings |
Electrical characteristics | |||||
|---|---|---|---|---|---|---|---|---|
| Name | Size typ. (mm) |
Reverse voltage VR (V) |
Average rectified current IO (A) |
Forward voltage VF max (V) |
Reverse current IR max @VR=40 V (μA) |
|||
| @IF=100 mA | @IF=500 mA |
@IF=1 A | ||||||
| CL2E | 1.0×0.6 | 40 | 1.0 | 0.35 | 0.45 | 0.57 | 25 | |
Equivalent Circuit
Application Circuit Example
The application circuits shown in this document are provided for reference purposes only. Thorough evaluation is required, especially at the mass-production design stage. Toshiba Electronic Devices & Storage Corporation does not grant any license to any industrial property rights by providing these examples of application circuits.
Information in this document, including product prices and specifications, content of services and contact information, is correct on the date of the announcement but is subject to change without prior notice.