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QX5238

Qxmd

LED 3 or 4-channel constant current driver chip

QX5238/9 、 / LED , 、 ,, 、。 QX5238/9 CMOS , MOS ,VDS , 15mA ,VDS 20mV, VDS , QX5238/9 3.6V LED 。, LED 50mV ,...


Qxmd

QX5238

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Description
QX5238/9 、 / LED , 、 ,, 、。 QX5238/9 CMOS , MOS ,VDS , 15mA ,VDS 20mV, VDS , QX5238/9 3.6V LED 。, LED 50mV , 98%。 QX5238/9 , 、。EN PWM LED 。 QX5238/9 , 4KV 。QX5238/9 SOT23-6 MSOP8 。 QX5238/9 LED /  :2.7V~6.0V  :±2%  :15mA 20mA。  LED :/  : 98%   。  LCD  、 PDA QX5238/9 QX5238/9_DS01CN VDD LED1 LED2 LED3 EN LED4 GND 1:QX5238/9 () www.qxmd.com.cn 1 of 9 QX5238/9 LED / 523X : 8: 9: 523XXX : B:15mA C:20mA : 8: 9: LED1 LED2 LED3 654 5238XX 123 VDD GND EN QX5238 (SOT23-6) 1 NC EN VDD GND 4 5239XX QX5239 (MSOP8) 8 LED1 LED2 LED3 LED4 5 QX5238/9_DS01CN () www.qxmd.com.cn 2 of 9 QX5238 SOT23-6 QX5239 MSOP8 VDD 1 3 EN 3 2 GND 2 4 NC - 1 LED1 6 8 LED2 5 7 LED3 4 6 LED4 - 5 QX5238/9 LED / () LED LED LED LED VDD LED1 LED2 LED3 LED4 Vref EN QX5238/9_DS01CN 2:QX5238/9 () www.qxmd.com.cn GND 3 of 9 ( 1) QX5238/9 LED / VDD_MAX VLED_MAX VDD LED1~LED4 -0.3 -0.3 7V 7V PSOT23-6 PMSOP8 TA SOT-23-6 MSOP8 0.25 W 0.75 W -20 85 oC TSTG -40 120 oC TSD ( 30 ) 230 240 oC ESD VESD 4000 V 1:,。 ,VDD =3.7V,TA =25ºC LED VDD VOUT ILED = 15mA ILED = 20mA 2.7 6.0 V 20 35 mV 25 40 mV △ILED △ILEDn IINQ VDD = 2.6-5V VLED = 0.04~1.5V VDD = 2.6~5V VLEDn = 0.04~1.5V EN = “Low” ±0.5 % ±2 % 0.1 1 uA QX5238/9_DS01CN () www.qxmd.com.cn 4 of 9 () ,VDD =3.7V,TA =25ºC EN EN “” EN “” EN “” EN “” QX5238/9 L...




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