BD9486F Datasheet, PDF (2/37 Pages) Rohm – 1ch Boost up type White LED Driver for large LCD

BD9486F
●1.4 Absolute Maximum Ratings (Ta=25°C)
Parameter
Power Supply Voltage
STB, OVP, UVLO, PWM, ADIM
Terminal Voltage
SS, RT, ISENSE, FB, CS, CP,
REG50 Terminal Voltage
DIMOUT, GATE Terminal
Voltage
Symbol
Vccmax
STB, OVP, UVLO,
PWM, ADIM
SS, RT, ISENSE, FB, CS,
CP, REG50
DIMOUT, GATE
Power Dissipation
Pd
Ratings
20
20
7
VCC
625 (*1)
Operating Temperature Range
Topr
-40 to +85
Junction Temperature
Tjmax
150
Storage Temperature Range
Tstg
-55 to +150
*1 In the case of mounting 1 layer glass epoxy base-plate of 70mm×70mm×1.6mm,
derate by 5.0mW/°C when operating above Ta=25°C.
●1.5 Operating Ratings
Parameter
Power Supply Voltage
DC/DC Oscillation Frequency
Effective Range of ADIM Signal
PWM Input Frequency
Symbol
VCC
fsw
VADIM
FPWM
Range
9.0 to 18.0
50 to 800
0.2 to 3.0
90 to 2000
Datasheet
Unit
V
V
V
V
mW
°C
°C
°C
Unit
V
kHz
V
Hz
●1.6 Pin Configuration
●1.7 Physical Dimension and Marking Diagram
BD9486F
Lot No.
Figure 3. Pin Configuration
Figure4. Physical Dimension and Marking Diagram of SOP16
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
2/34
TSZ02201-0F1F0C100240-1-2
13.Feb.2014 Rev.004