Low-cost small size LED constant current driver chip
SM7313/SM7313P LED QOQIIAV1.4
SM7313/SM7313P
85Vac~265Vac ±3% 120mA
5W
:SOP8、SOT89-5
SM7...
Description
SM7313/SM7313P LED QOQIIAV1.4
SM7313/SM7313P
85Vac~265Vac ±3% 120mA
5W
:SOP8、SOT89-5
SM7313 LED ,, 5W 。 ±3%,,。
,SM7313P LED 。
Exposed PAD
CS VDD 54
123 NC GND DRAIN
LED
SOP8
100Vac~265Vac 180Vac~265Vac
≤3W ≤5W
SOT89-5
120mA 120mA
-1-
SM7313/SM7313P LED QOQIIAV1.4
SOP8 SOT89-5
14 231 45 5/6 2 7/8 3
SM7313P
SM7313
VDD FB NC CS GND DRAIN
SOP8 SOT89-5
LED
MOS
100000 /
2500 /
/ 1000 /
13 7
-2-
SM7313/SM7313P LED QOQIIAV1.4
(TA= 25℃) VFB VDD DRAIN VCS TJ TSTG VESD
FB MOS CS ESD
(, TA=25℃,VDD=15V)
VDD Idd VCS_REF Fosc VFB_OVP TLEB
BV_DRAIN
Rdson
VDD FB
DRAIN MOS
-0.3~7 -0.3~7 -0.3~500 -0.3~7 -40~125 -55~150 >2
DRAIN=20V VDD=6V FB=5V
120
V V V V ℃ ℃ kV
6.0 450 240
3.5 300 500 26
V uA mV kHz V nS V ohms
-3-
SM7313/SM7313P LED QOQIIAV1.4
SM7313 LED , , 5W 。 ±3%,,。
,SM7313P LED 。
DRAIN JFET VDD ,, VDD 。
CS , CS , 。
CS :
Rcs Vcs _ ref I led
FB
FB (OVP),VFB _OVP ,FB :
RFBL
VFB _ OVP
RFBL RFBH
VOVP
, RFBL RFBH VOVP
,FB 。
-4-
SM7313/SM7313P LED QOQIIAV1.4
SM7313P 3W/120mA (180Vac~264Vac)
C3
FR1 AC
DB1
SM7313P
1 VDD 2 FB
GND 6 GND 5
7 DRAIN 8 DRAIN
NC 3 CS 4
U1
C1
R1
C4 D1
R2 R3 L1
LED+ C2 R4
LED-
BOM
FR1 DB1 D1 R1 R2 R3 R4
10R 1/4W
MB6S E1J 1.8R/1206 0R/0805 NC 300K/0805
C1 C2 C3 C4 L1 U1
2.2uF/400V
10nF/500V 1uF/16V 4.7uF/16V 220uH/>500mA SM7313P
-5-
SOP8
SM7313/SM7313P LED QOQIIAV1.4
...
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