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ETA3300
24V, 1.5A 3MHz Boost Converter The ETA3300 PFM step-up Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LEDs brightness.
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- 产品描述
-
- 商品名称: ETA3300
- 封装: SOT23-6
- 品牌: 钰泰半导体
24V, 1.5A 3MHz Boost Converter The ETA3300 PFM step-up Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LEDs brightness.
特征
- Up to 24V Output Voltage
- Wide Operation Range: 2V to 6V
- Maximum 3MHz Operating Frequency
- PWM Dimming Control
- Shutdown Current <1uA
- Current Limit Cycle-by-Cycle
- Low Current Sense Threshold: 200mV
- 24V Over Output Voltage Protection
- Compact SOT23-6 Package
应用
- Compact Back Light Module
- Power Source for LED
- Constant Current Source
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