OB2269 |
Part Number | OB2269 |
Manufacturer | On-Bright Electronics |
Description | OB2268/OB2269 OB2268/OB2269 - .: ,, OB2268/OB2269 ,, 。OB2268/OB2269 ,: ▲ :OB2268/OB2269 , ( 1/30 ) 。 ▲: OB2268/OB2269 , 。。 ▲ :OB2268/OB2269 VIN/VDD 4uA, ,。 ▲ :OB2268/OB2269 2.3mA,, 。 ▲ :(LEB... |
Features |
。
2) : 7 VDD , 2, 3:
AC IN
EMI R1 Filter
R2
D1
C1 BD1
VDD
OB2268/69
GND
R3 R4
C2
D2
AC IN
EMI Filter
C2 BD1
R1 R2
VDD
OB2268/69
GND
D1 R3 C1
2
3
1.2 :
RIN VDD C1 , VDD VTH(ON)( 16.5V) 。 3 :
:
⎡ T ⎤D _ ON
V V I R eVTH (ON ) = (
−
dc
⋅
DDST
IN
)
⎢1 ⎢⎣
−
RIN⋅C1 ⎥ ⎥⎦
(1)
IDDST : OB2268/69
TD_ON:
RIN:
R1 R2
,RIN , 1.5MΩ~3MΩ 。
, 4。
AC IN
EMI Filter
C2 BD1
R1 R2
4 , C1
(),RIN ( OCP , 1.4 OCP
),
VIN
VDD
OB2268/69
GND
D1 C1 C3
R3
。 4 ,
16V/3.5A , R1=R2=910KΩ,R3=0Ω,
C1=2.2uF,C2=120uF,C3=4.7uF, 90Vac/60Hz
, 750mS 。
4
1.3 RIN :
3 ,... |
Document |
OB2269 Data Sheet
PDF 310.06KB |
No. | Parte # | Fabricante | Descripción | Hoja de Datos |
---|---|---|---|---|
1 | OB2262 |
On-Bright |
Current Mode PWM Controller | |
2 | OB2263 |
On-Bright |
Current Mode PWM Controller | |
3 | OB2263 |
Kexin |
Current Mode PWM Controller | |
4 | OB2268 |
Liteon |
Current Mode PWM Controller | |
5 | OB2268 |
On-Bright Electronics |
Flyback switching power supply applications | |
6 | OB2269 |
JSMICRO |
PWM controller |