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BD9203EFV Dataheets PDF



Part Number BD9203EFV
Manufacturers Rohm
Logo Rohm
Description Silicon Monolithic Integrated Circuit
Datasheet BD9203EFV DatasheetBD9203EFV Datasheet (PDF)

1/4 STRUCTURE PRODUCT TYPE FEATURE ・ ・ ・ ・ ・ ・ ・ Silicon Monolithic Integrated Circuit White LED Driver for LCD Backlights with step-up DC/DC controller BD9203EFV 6CH LED current driver up to 150mA/CH built-in *2 Over voltage protection (OVP), Short circuit protection (SCP), LED open and short detection Step-up DC/DC controller built-in PWM and DC Dimming Programmable timer latch and soft-start period by external capacitor Over voltage protection (OVP), Short current protection (SCP), LED ope.

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1/4 STRUCTURE PRODUCT TYPE FEATURE ・ ・ ・ ・ ・ ・ ・ Silicon Monolithic Integrated Circuit White LED Driver for LCD Backlights with step-up DC/DC controller BD9203EFV 6CH LED current driver up to 150mA/CH built-in *2 Over voltage protection (OVP), Short circuit protection (SCP), LED open and short detection Step-up DC/DC controller built-in PWM and DC Dimming Programmable timer latch and soft-start period by external capacitor Over voltage protection (OVP), Short current protection (SCP), LED open and short detection Under voltage lock out (UVLO) ・ HTSSOP-B28 package ○ ABSOLUTE MAXIMUM RATINGS PARAMETER Power Supply Voltage STB Voltage LED Output Voltage FAIL Output Voltage Pin Voltage Power Dissipation Operating Temperature Range Storage Temperature Range LED Maximum Current (Ta=25℃) Symbol VCC VREF5V STB LED1~6 FAIL SEL, UVLO, PWM1, PWM2, RT, SS, SLOPE, ISET, VREF, CP, FB, OVP, CS N Pd Topr Tstg ILED Limit 36 7 36 40 40 7 15 3.30 *1 -40~+85 -55~+150 150 *2 Unit V V V V V V V W ℃ ℃ mA *1 Pd derated at 26.4 mW/℃ for temperature above Ta=25℃, mounted on 70mm×70mm×1.6mm 2 layer(cupper area 70mm×70mm)glass-epoxy PCB. *2 This is the constant current value per 1ch. Please perform setting of the constant current value in the range that is not beyond a value of Pd. This product is not designed for protection against radioactive rays. ○ OPERATING CONDITIONS (Ta=25℃) PARAMETER Power Supply Voltage CT Oscillation Frequency Range VREF input voltage range Symbol VCC FCT VREF Limit 9~35 100~1000 0~VREF5V Unit V kHz V www.DataSheet4U.com REV. A 2/4 ○ ELECTRICAL CHARACTERISTICS(unless otherwise specified VCC=24V, Ta=25℃) PARAMETER 【Total Current Consumption】 Circuit Current Standby Current 【VREF5V】 VREF5V Voltage VREF5V source current 【Switching block】 N source resistance N sink resistance 【SOFT START】 SS source current SS END pin voltage 【Error-Amp block】 LED control voltage FB sink current FB source current 【CT Oscillator block】 Oscillation Frequency RT pin output voltage SLOPE pin output voltage MAX DUTY 【OVP】 Over Voltage Protection voltage OVP hysterisis OVP Feedback Voltage 【SCP】 Short Circuit Protection voltage 【UVLO】 Operating voltage (VCC) hysterisis (VCC) Cancel voltage (UVLO) hysterisis (UVLO) 【FILTER(CP)】 CP detection voltage CP source current 【LED output (LED1~6)】 LED current accuracy Open detection voltage Short detection voltage 【STB】 Input High voltage Input Low voltage Input current 【PWM1, PWM2】 Input High voltage Input Low voltage Input current 【FAIL output(open drain)】 FAIL Low voltage www.DataSheet4U.com VOL 0.05 0.10 0.20 V IOL=1mA PWMH PWML IPWM 2.0 -0.3 -5 0 5.0 0.5 5 V V uA VIN=5V(PWM1, PWM2) STBH STBL IEN 2.0 -0.3 13 25 VCC 0.8 38 V V uA VIN=5V(STB) VCP ICP ⊿ILED VOPEN VSHORT 1.8 -2.0 -3 0.05 4.5 2.0 -1.0 0.20 5.0 2.2 -0.5 3 0.35 5.5 V uA % V V CP=SWEEP UP VCP=0V ILED=40mA VLED=SWEEP DOWN VLED=SWEEP UP VUVLO_VCC VUHYS_VCC VUVLO_U VUHYS_U 6.0 150 2.375 50 7.0 300 2.5 100 8.0 600 2.625 200 V mV V mV VCC=SWEEP UP VCC=SWEEP DOWN UVLO=.


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