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QX6103
High-end current detection Output current: less than 3A Input voltage: 6~100V LED average current control: good constant current effect LED output current accuracy: ±3% High efficiency: up to 95% or more Current mode PWM control Fixed operating frequency Frequency jitter function Built-in loop compensation, slope compensation Chip power supply undervoltage/overvoltage protection
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- Product Description
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- Commodity name: QX6103
- 封装: SOT23-5
- 品牌: Quanxin
High-end current detection Output current: less than 3A Input voltage: 6~100V LED average current control: good constant current effect LED output current accuracy: ±3% High efficiency: up to 95% or more Current mode PWM control Fixed operating frequency Frequency jitter function Built-in loop compensation, slope compensation Chip power supply undervoltage/overvoltage protection
QX6103 Buck-type High-power LED Constant Current Driver
QX6103 is a high-precision buck-type high-power LED constant current driver chip. It is suitable for high-power LED constant current driving power supplies with input voltage within 100V.
Patented high-side current sensing, fixed frequency, current mode PWM control method, features excellent line regulation and load regulation.
The unique constant current control method adopted by the chip enables the LED output current accuracy to reach within ", "3%.
The chip's internally integrated frequency jitter function can reduce EMI cost.
Built-in loop compensation and slope compensation, no external compensation required, simplifying application design.
The chip's typical operating frequency is approximately 200KHz.
QX6103 adopts a SOT23-5 package.
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