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目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载(PDF文档)
The CXLE8104 is a continuous mode inductive step down converter. It can driving single or multiple series connected LEDs. The CXLE8104 includes the output switch and a high-side output current sensing circuit, which use an external resistor to set the average output current. Output current can also be adjusted by applying an external signal to the ‘ADJ’ pin. The ADJ pin will accept either a DC voltage or a PWM waveform. The PWM filter components are contained within the chip. Applying a voltage under 0.2V to the ADJ pin will turn off the output.
The CXLE8104 is available in the SOT89-5L package and provides space-saving PCB for the application fields.
˙1A Output Current
˙Internal 0.5Ω 26V Power MOSFET Switch
˙Wide 7 to 26V Operating Input Range
˙20μA Shutdown Mode Current
˙Typical 4% Output Current Accuracy
˙Signal pin ON / OFF and Brightness Control
˙Adjustable Soft-Start
˙Up to 95% Efficiency
˙Up to 1MHz Switching Frequency
˙Internal Dimming Filter
˙Package: SOT89-5L
Ø Low Voltage Halogen replacement LEDs
Ø LED back-up lighting
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WHITE LED DRIVERS | ||||||||||
Part No. | VIN | VOUT | # of | Driver | Feedback | Switching | Notes | Package | Status | |
(Min) | (Max) | (Max) | LEDs | Current | Voltage | Frequency | ||||
(V) | (V) | (Max) | (A) | (V) | (kHz) | |||||
CXLE8101 | 3.6 | 28 | 25 | 6 | 2 | 0.25 | 320 | 100% Duty | SOP8 | MP |
CXLE8102 | 3.6 | 28 | 25 | 6 | 3 | 0.25 | 320 | 100% Duty | SOP8 | MP |
CXLE8103 | 7 | 26 | 26 | 7 | 0.7 | NA | NA | SOT23-5 | MP | |
CXLE8104 | 7 | 26 | 26 | 7 | 1 | NA | NA | SOT89-5 | MP | |
CXLE8105 | 2.7 | 5.5 | 20 | 5 | 0.75 | 0.25 | 1200 | SOT23-6 | MP | |
CXLE8106 | 8.5 | 100 | VIN*0.9 | VIN*0.9 | ILED | 0.25 | Auto | Buck | SOP8 | MP |