无电感器型 (充电泵) LED 驱动器
Analog Devices 拥有一个品种非常齐全的 LED 驱动器产品线以用于背面照明应用。它们被配置成无电感器型白光 LED 驱动器 (用于驱动并联的 LED) 或电感器型白光 LED 驱动器 (用于驱动串联的 LED)。采用的拓扑包括升压型稳压器 LED 驱动器、降压型稳压器 LED 驱动器、降压-升压型 LED 驱动器 … 等等。不管采用的是何种拓扑，这些 LED 驱动器都提供了极高的效率、极低的噪声以及极小的占板面积。其他特点包括集成化肖特基二极管、准确的 LED 电流匹配处理和多输出能力。
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无电感器型 (充电泵) LED 驱动器
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Output Current (typ) (A) | Max Number of LEDs | Comments | Isupply (typ) (A) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ADP8866 | 9 | 2.5 | 5.5 | 25m | 9 (parallel) | Charge Pump Driven 9-Channel LED Driver with Automated LED Lighting Effects | 245µ | $0.99 (ADP8866ACPZ-R7) |
| 2 | ADP8870 | 7 | 2.5 | 5.5 | 60m | 7 (parallel) | Charge-Pump, Parallel Backlight Driver with Image Content PWM Input | 4.6m | $0.99 (ADP8870ACBZ-R7) |
| 3 | LTC3230 | 5 | 2.7 | 5.5 | 125m | 5 (parallel) | 5-LED Main/Sub Display Driver with Dual LDO | 480µ | $1.55 (LTC3230EUD#PBF) |
| 4 | LTC3219 | 9 | 2.9 | 5.5 | 250m | 9 (parallel) | 250mA Universal Nine Channel LED Driver | 400µ | $1.80 (LTC3219EUD#PBF) |
| 5 | LTC3207 | 13 | 2.9 | 5.5 | 600m | 12 + 1 LED/CAM | 600mA Universal Multi-Output LED/CAM Driver | 500µ | $1.95 (LTC3207EUF#PBF) |
| 6 | LTC3220 | 18 | 2.9 | 5.5 | 360m | 18 (parallel) | 360mA Universal 18-Channel LED Driver | 580µ | $2.35 (LTC3220EPF#PBF) |
| 7 | LTC3212 | 3 | 2.7 | 5.5 | 25m | 3 (parallel) | RGB LED Driver and Charge Pump | 400µ | $1.30 (LTC3212EDDB#TRPBF) |
| 8 | LTC3210-3 | 4 | 2.9 | 4.5 | 500m | 1 CAM, 3 Main (25mA) | MAIN/CAM LED Controllers with 32-Step Brightness Control in 3mm x 3mm QFN | 400µ | $1.70 (LTC3210EUD-3#PBF) |
| 9 | LTC3210-2 | 5 | 2.9 | 4.5 | 500m | 1 CAM (400mA), 4 Main (25mA) | MAIN/CAM LED Controllers with 32-Step Brightness Control in 3mm x 3mm QFN | 400µ | $1.70 (LTC3210EUD-2#PBF) |
| 10 | LTC3218 | 1 | 2.9 | 4.5 | 400m | 1 | 400mA Single Wire Camera LED Charge Pump | 980µ | $1.44 (LTC3218EDDB#TRPBF) |
| 11 | LTC3210 | 5 | 2.9 | 4.5 | 500m | 1 CAM (400mA), 4 Main (25mA) | MAIN/CAM LED Controller in 3mm × 3mm QFN | 400µ | $1.70 (LTC3210EUD#PBF) |
| 12 | LTC3217 | 4 | 2.9 | 4.5 | 600m | 4 (parallel) | 600mA Low Noise Multi-LED Camera Light Charge Pump | 1m | $1.70 (LTC3217EUD#PBF) |
| 13 | LTC3208 | 17 | 2.9 | 4.5 | 1 | 17 (parallel) | High Current Software Configurable Multidisplay LED Controller | 250µ | $2.55 (LTC3208EUH#PBF) |
| 14 | LTC3215 | 1 | 2.9 | 4.4 | 700m | 1 | Constant Frequency Charge Pump with Independent Torch (350mA)/Flash (700mA) Current Control | 300µ | $1.75 (LTC3215EDD#PBF) |
| 15 | LTC3210-1 | 5 | 2.9 | 4.5 | 500m | 1 CAM, 4 Main | MAIN/CAM LED Controller with 64-Step Brightness Control in 3mm × 3mm QFN | 400µ | $1.70 (LTC3210EUD-1#PBF) |
| 16 | LTC3209 | 8 | 2.9 | 4.5 | 600m | 1 AUX, 2 CAM, 5 Main | 600mA Main/Camera LED Controller | 400µ | $1.80 (LTC3209EUF-1#PBF) |
| 17 | LTC3216 | 1 | 2.9 | 4.4 | 1 | 1 | Constant Frequency Charge Pump with Independent Torch (500mA)/Flash (1A) Current Control | 7m | $2.00 (LTC3216EDE#PBF) |
| 18 | ADM8845 | 6 | 2.6 | 5.5 | 30m | 6 (parallel) | Charge Pump Driver for LCD White LED Backlights | 2.6 | $0.73 (ADM8845ACPZ-REEL7) |
| 19 | ADM8843 | 4 | 2.6 | 5.5 | 30m | 4 (parallel) | Four White LED Backlight Driver | 2.6m | $0.52 (ADM8843ACPZ-REEL7) |
| 20 | LTC3206 | 11 | 2.8 | 4.5 | 400m | 1 RGB, 4, 6 | Drives 6 Main LEDs, 4 Sub Display, 1 RGB | 50µ | $2.20 (LTC3206EUF#PBF) |
| 21 | LTC3205 | 7 | 2.8 | 4.5 | 250m | 1 RGB, 2, 4 | Drives 4 Main LEDs, 2 Sub Display, 1 RGB | 50µ | $2.10 (LTC3205EUF#PBF) |
| 22 | LTC3201 | 1 | 2.7 | 4.5 | 100m | 6 (parallel) | Ultralow Noise, White LED Driver | 4m | $1.90 (LTC3201EMS#PBF) |
| 23 | LTC3200 | 1 | 2.7 | 4.5 | 100m | 6 (parallel) | Low Noise, Doubler/White LED Driver | 3.5m | $1.66 (LTC3200ES6-5#TRPBF) |
| 24 | LTC3214 | 1 | 2.9 | 4.5 | 500m | 1 | 500mA Camera LED Charge Pump | 980µ | $1.65 (LTC3214EDD#PBF) |
| 25 | LTC3202 | 1 | 2.7 | 4.5 | 125m | 8 (parallel) | Low Noise, Fractional White LED Driver | 2.5m | $1.90 (LTC3202EMS#PBF) |
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