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XR46073

MaxLinear
Part Number XR46073
Manufacturer MaxLinear
Description Two-Step LED Current Controller
Published Sep 1, 2018
Detailed Description XR46073 Two-Step LED Current Controller with Line Regulation Compensation Description The XR46073 is a two-step LED cur...
Datasheet PDF File XR46073 PDF File

XR46073
XR46073


Overview
XR46073 Two-Step LED Current Controller with Line Regulation Compensation Description The XR46073 is a two-step LED current controller with line regulation compensation for operating over a wide Alternative Current (AC) voltage source range.
It can drive an external N-channel power MOSFET to regulate the current flowing through a High Voltage (HV) LED string.
The XR46073 works as a constant current sink with linear type Overvoltage Protection (OVP), linear type Over Temperature Protection (OTP) and line regulation compensation.
It is suitable for applications with a rectified AC voltage source.
The PCB design can be very compact to meet various shape requirements.
It is especially suitable for replacing incandescent light bulbs.
Typical Application ILED + VAC – BD LED1 RA RIN RB CLR VIN GATE XR46073 VL SOURCE GND CS LED2 Q1 (NMOS) XR46000 LED3 R1 Figure 1.
Typical Application REV1C FEATURES Device ■■ Two-current step control from a single device ■■ Excellent system ...


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