Hot sale original electronics LED Drivers CN5820 SOT-23-6 Switch-Mode High-Brightness LED Driver IC

Product Details

Product parameters

Funtion：Switch-Mode High-Brightness LED Driver IC

Opration Mode：Switch

Vin Range：4V-28V

Operating Current：475uA

Solar Panel charge：No

Chip Temperature Regulation：No

Package：SOT23-6

Dimming：Yes

Chip Enable：Yes

On-chip Power MOSFET：No

Product Overview 

The CN5820 is a switch-mode step-down constant-current high-brightness LED (HB LED) driver, the device provides a cost effective solution for automotive interior/exterior lighting, architectural and ambient lighting, LED bulbs such as MR16 and other LED illumination applications.

The CN5820 operates from a 4V to 28V input voltage range and features a 5V/5mA on-board regulator. A high-side current-sense resistor adjusts the LED current and a dedicated input (DIM) enables PWM dimming and analog dimming.

The CN5820 is well suited for applications requiring a wide input voltage range. The high-side current-sensing and an integrated current-setting circuitry minimize the number of external components while delivering an LED current with ±5% accuracy. A hysteretic control algorithm ensures excellent input-supply rejection and fast response during load transients and PWM dimming. The CN5820 features a 20% inductor current ripple. These devices operate up to 1MHz switching frequency, thus allowing for small component size.

The CN5820 operates over the -40°C to +85°C temperature range and is available in 6-pin SOT23 package.

Product Applications 

l  Architectural, Industrial, and Ambient Lighting

l  Automotive RCL, DRL, and Fog Lights

l  MR16 and Other LED Bulbs

l  Indicators and Emergency Lighting

Product  Features  

​l  High-Side Current Sense

l  Dedicated Dimming Control Input

l  20kHz Maximum Dimming Frequency

l  Hysteretic Control: No Compensation

l  Up to 1MHz Switching Frequency

l  ±5% LED Current Accuracy

l  Adjustable Constant LED Current

l  4V to 28V Input Voltage Range

l  Over 25W Output Power

l  5V, 5mA On-Board Regulator

l  Operating Temperature Range ：－40°C to 85°C

l  Lead Free, rohs-Compliant and Halogen Free

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