Document
On-Bright internal use only
OB3394
PWM
OB3394 、 LED , LED 。 , TL431 , (CV)(CC)( 1 ), LED 。 LED SOURCE Rs 。 OB3394 , LED 、LED 、 ,VDD 。 EMI 。
OB3394 DIP8 。
, TL431 , (LEB) VDD
LED LED VDD VDD
LED
.1. CC/CV
.
©On-Bright Electronics
Confidential -1-
Preliminary Datasheet OB_DOC_DS_339402_CN
On-Bright internal use only
DIP8
VDD 1
COMP
2
GND
3
INV 4
8 DRAIN 7 DRAIN 6 SOURCE 5 CS
OB3394AP
DIP8, Pb-free, Tube
OB3394
PWM
DIP8
RθJA (℃/W) 75
Parameter Drain () VDD VDD COMP CS INV / TJ / Tstg (10secs)
Value -0.3 to BVdss -0.3 to VDD_clamp 10 mA -0.3 to 7V -0.3 to 7V -0.3 to 7V -40 to 150 ℃ -55 to 150 ℃ 260 ℃
: “” 。 ,“ ”。, 。
©On-Bright Electronics
Confidential -2-
Preliminary Datasheet OB_DOC_DS_339402_CN
OB3394
PWM
On-Bright internal use only
Pin Num Pin Name I/O Description
1
VDD
P
2
COMP
I
3
GND
P
4 INV I
5 CS I
6 SOURCE I
7,8 DRAIN O
230VAC±15%
90-264VAC
OB3394AP
16W
11W
: Drain , 50℃ 60℃。
。
©On-Bright Electronics
Confidential 3
Preliminary Datasheet OB_DOC_DS_339402_CN
On-Bright internal use only
OB3394
PWM
(,TA = 25℃, VDD=VDDG=16V)
Symbol
Parameter
Test Conditions
Min Typ Max Unit
Supply Voltage (VDD) Section
I DD ST I DD op
VDD=13V
Operation supply current INV=2V, CS=0V, VDD=VDDG=20V
-
5 2
20 uA 3 mA
UVLO(ON)
VDD (ON)
VDD falling
8.6 9.4 10.6 V
UVLO(OFF) VDD (OFF)
VDD rising
13.9 15.2 16.4 V
VDD_clamp OVP
VDD VDD
IDD=10mA
Ramp VDD until gate shut down
27 28.5 30 V 26 27.5 29 V
Current Sense Input Section
TLEB
625 ns
Vth_oc
OCP
785 800 815 mV
Td_oc
110 ns
Z SENSE _IN T_ss
CS
50 17
Kohm ms
Frequency Section Freq_MaxNote 1
59 65 70 KHz
Freq_Nom
50 KHz
Freq_startup
INV=0V, Comp=5V
14 KHz
△f/Freq
+/-6 %
Error Amplifier section
Vref_EA
EA
1.955 2 2.045 V
Gain
EA
60 dB
Power MOSFET Section
BVdss
600 V
Rdson
12 Ώ
:
1. Freq_Max 。, CV CC , 65KHz。
©On-Bright Electronics
Confidential -4-
Preliminary Datasheet OB_DOC_DS_339402_CN
OB3394
PWM
On-Bright internal use only
Symbol
A A1 A2 B B1 C D E E1 e L E2
Dimensions In Millimeters
Min Max
3.710
5.334
0.381
2.921
4.953
0.350
0.650
1.524 (BSC)
0.200
0.360
9.000
10.160
6.096
7.112
7.320
8.255
2.540 (BSC)
2.921
3.810
7.620
10.920
Dimensions In Inches
Min Max
0.146
0.210
0.015
0.115
0.195
0.014
0.026
0.06 (BSC)
0.008
0.014
0.354
0.400
0.240
0.280
0.288
0.325
0.1 (BSC)
0.115
0.150
0.300
0.430
©On-Bright Electronics
Confidential -5-
Preliminary Datasheet OB_DOC_DS_339402_CN
OB3394
PWM
、、, 。,、 。
,。 。, 。 。 、,。, 。
、, 。
, 。
On-Bright internal use only
©On-Bright Electronics
Confidential -6-
Preliminary Datasheet OB_DOC_DS_339402_CN
.