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QX5240

Qxmd
Part Number QX5240
Manufacturer Qxmd
Description LED 3 or 4-channel constant current driver chip
Published Jan 5, 2015
Detailed Description QX5238/39/40 LED 3 4 QX5238/39/40 QX5238/39/40 、 3/4 LED 。 、, ,、。 QX5238/39/40 CMOS , MOS ,VDS , 15 mA ,VDS 20 ...
Datasheet PDF File QX5240 PDF File

QX5240
QX5240


Overview
QX5238/39/40 LED 3 4 QX5238/39/40 QX5238/39/40 、 3/4 LED 。 、, ,、。 QX5238/39/40 CMOS , MOS ,VDS , 15 mA ,VDS 20 mV, VDS , QX5238/39/40 3.
6V LED 。 QX5238/39/40 , 、。EN PWM , LED 。 QX5238/39/40 , 4KV 。 y :2.
7V~6V y :15mA 20mA y :±2% y LED :3/4 y ESD : 4KV y : 98%( 50 mV ) y y 、、、PDA、MP4、 MP3、GPS LCD QX5238/39/40 EN VDD LED1 LED.
.
.
2 LED4 GND .
.
.
QFN16 QX Micro Devices Co.
, Ltd.
1 of 8 QX5238/39/40 SOT-23-6 QX5239 XX MSOP- LED QX5238A 3 15mA SOT-23-6 QX5238B 3 20mA SOT-23-6 QX5239A 4 QX5239B 4 15mA 20mA MSOP-8 MSOP-8 QX5240A 4 QX5240B 4 15mA 20mA QFN16-4-4QFN16-4-4- QX Micro Devices Co.
, Ltd.
2 of 8 QX5238/39/40 QX Micro Devices Co.
, Ltd.
3 of 8 ESD VDD-max VLEDs-max SOT-23-6 SOT-23-6 MSOP-8 MSOP-8 Tmin-max Tstorage VESD VDD GND EN () LED1~LED4 LED NC QX5238/39/40 -0.
3 - 7 -0.
3 - 7 0.
56 0.
69 -40-85 -40-150 4000 V V W W oC oC V QX Micro Devices Co.
, Ltd.
4 of 8 QX5238/39/40 (:VDD=3.
7V, 25 oC) LED VOUT ILED=15mA ILED=20mA 20 35 mV 25 40 mV EN “” EN “” EN “” EN “” △ILED △ILEDn IINQ VDD=2.
6-5V VLEDn=0.
04-1.
5V VDD=2.
6-5V VLEDn=0.
04-1.
5V EN=“low” 0.
1 1.
7 -0.
1 ±0.
5% ±2% 1 uA V 0.
4 V 0.
1 uA uA EN ,EN LED ,LED , 0.
1uA。EN 。 LED LED 15mA 20mA。 EN PWM , LED 。 LED 。100% 15mA 20mA 。 QX5238/39/40 、 CMOS ACR , MOS , VDS , LED , LED 。, LED 20 mV ,QX5238/39/40 99%。 : =(VLED1*ILED1+VLED2*ILED2+VLED3*ILED3+VLED4*ILED4/VDD*IDD VLED1=VLED2=VLED3=VLED4=3.
3V ,ILED=ILED2=ILED3=ILED4=20mA,VDD=3.
32V,IDD=80mA 99.
098% VLED1=VLED2=VLED3=VLED4=3.
3V ,ILED1=ILED2=ILED3=ILED4=20mA,VDD=3.
65V, IDD=80mA, 90.
12% , 3.
6V 、MP4 LED , 90%。 QX Micro Devices Co.
, Ltd.
5 of 8 20 15 10 5 0 0.
01 25 20 15 10 5 0 0.
01 ILED (mA) ILED (mA) ILED VS.
VOUT 0.
1 1 VOUT (V) 15mA ILED VS.
VOUT 0.
1 1 VOUT (V) 20mA QX5238/39/40 ILED 10 ILED 10 QX Micro Devices Co.
, Ltd.
6 of 8 QX5238/39/40 SOT-23-6 QX Micro Devices Co.
, Ltd.
MSOP-8 7 ...



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