OC6781 |
Part Number | OC6781 |
Manufacturer | OCX |
Description | OC6781 、 LED 。 OC6781 , ,,、 LED 。 OC6781 PWM ,。 OC6781 , ,。 OC6781 、 、 ,。 OC6781 SOP8 。 OC6781 PWM LED :5V~36V : 96% :450KHz VCS :250mV VFB :250mV LED LED LE... |
Features |
DMAX
VFB=0V
OC6781 PWM LED
5
40
V
4.8
V
2.5
mA
75
uA
240
250
260
mV
240
250
260
mV
120
KHz
3.2
V
0.8
V
50
ns
50
ns
140
oC
87
%
OC6781_V1.0
www.ocxsemi.com
4 of 8
OC6781 PWM LED
OC6781 LED IC, PWM 。
、PWM 、、、PWM 、 、。
VFBLED。VFBVFB 250mV。VFB 250mV,, ,,VFB。,VFB 250mV,, ,,VFB。
VCS ,,。
ROSCROSC。ROSC, 500KHz。
OC6781 、、。
LED
LEDVFBRFB: ILED = 0.25 RFB
Fs
ROSCROSC :
Fs = 4.83*107 ROSC +1.08*105
ROSC 。 ROSC ROSC=0,OC6781 450KHz。, ROSC 100~330KHz 。
OVP R1,R2 :
VOVP
... |
Document |
OC6781 Data Sheet
PDF 302.03KB |
No. | Parte # | Fabricante | Descripción | Hoja de Datos |
---|---|---|---|---|
1 | OC6780 |
OCX |
100V 2A Switching Current Boost LED Constant Current Driver | |
2 | OC6700 |
OCX |
Built-in 60V power MOS boost LED constant current driver | |
3 | OC6700B |
OCX |
Built-in 60V power MOS boost LED constant current driver | |
4 | OC6702 |
OCX |
Built-in 100V power MOS boost LED constant current driver | |
5 | OC6702B |
OCX |
Built-in 100V power MOS boost LED constant current driver | |
6 | OC615 |
Telefunken |
Germanium PNP Transistor |