Document
ELECTRONIC GIANT
EG4318/EG4319/EG4320
2012 ©
REV 2.1
EG4318/EG4319/EG4320 V2.1
V1.0 V1.1 V2.0 2012 07 17 2012 08 28 2013 02 01 EG4318 1. 2. VFCTR 1. 2. 3 LED_R 3. EG4319 EG4320 1.
V2.1
2013 05 10
2012 © www.EGmicro.com 2 / 19
1. 2. 3. 4.
EG4318/EG4319/EG4320 V2.1
5. 6. 7.
8.
9.
..................................................................................................................................................................... 4 ..................................................................................................................................................................... 4 ............................................................................................................................................................. 4 ..................................................................................................................................................................... 5 4.1. ............................................................................................................................................. 5 4.2. ............................................................................................................................................. 6 ............................................................................................................................................................. 7 ..................................................................................................................................................... 8 ........................................................................................................................................................... 11 7.1 ........................................................................................................................................... 11 7.2 ........................................................................................................................................... 12 ........................................................................................................................................................... 13 8.1 ............................................................................................................... 13 8.2 ................................................................................................................................... 14 8.3 (Vcc) ..................................................................................................................... 14 8.4 ........................................................................................................................... 14 8.5 ........................................................................................................................... 15 8.6 ................................................................................................................................... 16 8.7 LED ........................................................................................ 16 8.8 ................................................................................................................................... 18 ........................................................................................................................................................... 19 9.1 DIP8 ................................................................................................................................... 19 9.2 SO8 .................................................................................................................................... 19
2012 © www.EGmicro.com 3 / 19
EG4318/EG4319/EG4320 V2.1
EG4318/EG4319/EG4320 V2.1
1.
,、 ,、 LED , :1.6mA
2.
EG4318/EG4319/EG4320 AC/DC ,、 , LED , ,。 EG4318/EG4319 2.5V 、250mV 、50mV ,EG4320 2.5V 、 140mV 、 20mV , EG4318/EG4319/EG4320 、 、 LED 。2.5V , 6 (Vf) ; 250mV ,,50mV 20mV LED , 。 ,。
3.
:
EG4318A/EG4319/EG4320
: “EG4318-A” 0.5A@Rsense=0.1Ω “EG4318-D” 0.71A@Rsense=0.1Ω
2012 © www.EGmicro.com 4 / 19
EG4318/EG4319/EG4320 V2.1
4.
4.1.
Vout 8 Vctrl 7 Vf 6 Isense 5
EG4318/EG4319
1 2 3 4
Vcc
LED_G LED_Red GND
4-1a. EG4318/EG4319
Vout 8
Vctrl 7
Vf 6
Isense 5
EG4320
1 2 3 4
Vcc
LED_Red GND
Isenf
4-1b. EG4320
2012 © www.EGmicro.com 5 / 19
4.2.
EG4318/EG4319 1 2 3 4 5 6 7 8 EG4320 1 2 3 4 5 6 7 8 VCC LED_Red GND Isenf Isense Vf Vctrl Vout I/O Power O O I I O I O VCC LED_G LED_Red GND Isense Vf Vctrl Vout I/O Power O O GND I O I O
EG4318/EG4319/EG4320 V2.1
, 3.5V~18V LED LED ,EG4318 250mV,EG4319 140mV ,EG4318 , EG4319 20mV , 2.5V ,
, 3.5V~18V LED , 20mV , 140mV , 2.5V ,
2012 © www.EGmicro.com 6 / 19
EG4318/EG4319/EG4320 V2.1
5.
VCC 1
2.5V LED_Green 2
VVCTR VICTR VFCTR
2.5V EG4318:250mV EG4319:140mV A:50mV B:55.5mV C:62.5mV D:71.4mV E:83.3m.