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OB3394

On-Bright
Part Number OB3394
Manufacturer On-Bright
Description High Precision PWM power switch
Published Mar 29, 2015
Detailed Description On-Bright internal use only OB3394 PWM OB3394 、 LED , LED 。 , TL431 , (CV)(CC)( 1 ), LED 。 LED SOURCE Rs 。 OB33...
Datasheet PDF File OB3394 PDF File

OB3394
OB3394


Overview
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 Elect...



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