LED驱动器
Analog Devices, Inc.（简称ADI）为汽车和液晶背光照明应用提供发光二极管（LED）驱动器。例如，AD8240适合汽车应用，驱动和监视LED组件。AD8240由于降低了与LED驱动相关的复杂性从而降低了系统成本，它包括过流保护功能并且采用MSOP封装。ADM8845电荷泵适合用于驱动高达6只并联的白色LED，同时能够保证背光照明液晶显示的亮度均匀。它通过单独监视每只LED的电流实现了优良的匹配性能。ADM8845可以在3种电荷泵工作模式之间根据输入电压自动切换，所以它还用来最大化功率效率。
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Help
- Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.
- Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.
- Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.
- Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.
- Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.
| Part# Results: 5 |
Input Voltage Range (Vcc) | Vout Adjust Options | Iout (max) (A) | Switching Frequency (MHz) | Package | Price* (1000-4999) | Part# Results: 5
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| ADM8843 | 2.6 to 5.5V | - | 20 | - | 16-CSP | $0.50 | ADM8843 |
| ADM8845 | 2.6 to 5.5V | - | 30 | - | 16-CSP | $0.71 | ADM8845 |
| ADP1610 | 2.5 to 5.5 V | Vin to 12 V | 1.2 | 1.2 | 8-MSOP | $1.27 | ADP1610 |
| ADP1611 | 2.5 to 5.5 V | Vin to 20 V | 1.2 | 1.2 | 8-MSOP | $1.14 | ADP1611 |
| ADP1653 | 2.75 to 5.5 V | - | 2.1 | 1.2 | 16-LFCSP | $1.47 | ADP1653 |
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Help
- Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.
- Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.
- Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.
- Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.
- Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.
| Part# Results: 1 |
Input Voltage Range (Vcc) | Supply Current (max) | Efficency (%) | Base Drive (mA) | Frequency Range | Number of Drivers | Shutdown | Brightness Control | Package | Price* (1000-4999) | Part# Results: 1
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| AD8240 | 9 to 27V | 0.36mA | n/a | 250 | DC to 500 Hz | 1 | X | PWM | 8-MSOP | $1.29 | AD8240 |
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* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.