6-Channels 40V White LED Driver with Boost Regulator CXLE81100 is a high-efficiency 6-channel white LED driver. It is designed for LCD panel that employs an LED array as the lighting source. An integr

发布时间：2020-04-06 09:43:38 浏览次数：720 作者：嘉泰姆

摘要：6-Channels 40V White LED Driver with Boost Regulator CXLE81100 is a high-efficiency 6-channel white LED driver. It is designed for LCD panel that employs an LED array as the lighting source. An integr

The CXLE81100 is a high-efficiency 6-channel white LED driver. It is designed for LCD panel that employs an LED array as the lighting source. An integrated switch current mode boost controller drives six strings in parallel and supports up to 10 pieces of LEDs per string. The CXLE81100 automatically regulated supply voltage for the LED light bars without the need to calculate the output for different LED types. It also integrates a 40V n-channel MOSFET that provides high output power. The 6-channel current driver is ideal for constant current driving, and well matched less than 3%. To set the maximum driving current, the ISET pin is used to determine reference current. Each channel of the current drivers is set to 800 times of this reference current. A PWM pin can be used to perform PWM dimming from the range of 100Hz to 25kHz. The MODE pin in CXLE81100 is used to set the dimming mode. If MODE pin set to floating, the dimming mode is in the PWM mode, the current driver ON/OFF is synchronized with the PWM signal. If Mode pin set to AGND, PWM and ILED current is set at PWM duty multiplied by ISET current when PWM duty ≥ 25%. If the PWM duty <25%, the ILED current is fixed at 0.25xISET, and the dimming duty is 4 x PWM duty. If MODE set to VDC, the dimming mode operated in the Pure DC mode, the current-source outputs are DC dimming and the PWM duty cycle modulates the amplitude of the currents. Open LED-string automatically disable the channel from entering over voltage protection.

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„ Wide 4.2V to 24V Input Supply Range oMt嘉泰姆

„ 600KHz Fixed Frequency oMt嘉泰姆

„ 40V/2A, 0.2Ω n-channel MOSFET oMt嘉泰姆

„ Maximum Programmable LED Channel Current 30mA oMt嘉泰姆

„ Current accuracy ±3% and current balance ±2% oMt嘉泰姆

„ 100Hz~25kHz PWM Dimming oMt嘉泰姆

„ PWM to DC Dimming oMt嘉泰姆

„ Protection oMt嘉泰姆

Š Input Under-Voltage Protection oMt嘉泰姆

Š Over Current Protection oMt嘉泰姆

Š Over Voltage Protection oMt嘉泰姆

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Part NO.oMt嘉泰姆	Vin(V)oMt嘉泰姆 min.oMt嘉泰姆	Vin(V)oMt嘉泰姆 max.oMt嘉泰姆	CHoMt嘉泰姆	VOUToMt嘉泰姆 (max)oMt嘉泰姆	ISWoMt嘉泰姆 (A)oMt嘉泰姆	FSWoMt嘉泰姆 (kHz)oMt嘉泰姆	VLEDoMt嘉泰姆 FB(V)oMt嘉泰姆	NoteoMt嘉泰姆	PackageoMt嘉泰姆
CXLE8198oMt嘉泰姆	2.5oMt嘉泰姆	5.5oMt嘉泰姆	1oMt嘉泰姆	20oMt嘉泰姆	1.2oMt嘉泰姆	1000oMt嘉泰姆	0.1/0.2oMt嘉泰姆 / 0.3oMt嘉泰姆	LX,GND,FB,EN,OVP,VIN,EN Dimming oMt嘉泰姆 100~200kHz,6SxPoMt嘉泰姆	TSOT23-6oMt嘉泰姆
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上一篇： CXLE8199 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 LED’s brightness.

下一篇： 6-Channels 40V White LED Driver with Boost Regulator CXLE81101 automatically regulated supply voltage for the LED light bars without the need to calculate the output for different LED types.

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6-Channels 40V White LED Driver with Boost Regulator CXLE81100 is a high-efficiency 6-channel white LED driver. It is designed for LCD panel that employs an LED array as the lighting source. An integr

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6-Channels 40V White LED Driver with Boost Regulator CXLE81100 is a high-efficiency 6-channel white LED driver. It is designed for LCD panel that employs an LED array as the lighting source. An integr

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