BD9479FV ROHM [Rohm], BD9479FV Datasheet - Page 2

• Manufacturer Part Number: BD9479FV
• Description: White LED Driver for large LCD Panels (DCDC Converter type)
• Manufacturer: ROHM [Rohm]

●Absolute maximum ratings (Ta=25℃)
●Operating Ratings (Ta = 25℃)
● ● ● ● Pin Configuration
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
BD9479FV
Above operating condition are the constants of IC itself. Please pay attention at the actual set.
*1 SSOP-B40 package at Ta 25 C or higher, de-rating power rating by 9.0mW/ C(70.0mm x 70.0mm x1.6mm with 1-layer board)
Power supply voltage
BS1-8 terminal voltage
OVP, STB, PWM1-8,VREF,UVLO terminal voltage
REG50, N, CS, CP, LSP, CL1-8, FB, SS, RT
terminal voltage
Power dissipation (SSOP-B40)*1
Operating temperature range
Storage temperature range
Junction temperature
VCC supply voltage
Analog Dimming setting (VREF Pin) range
LSP setting voltage range
DC/DC oscillation frequency
PWM pin input frequency range
Figure 3. Pin Configuration
SSOP-B40
Parameter
Parameter
OVP, STB, PWM1-8,VREF,UVLO
REG50, N, CS, CP, LSP, CL1-8,
2/26
● ● ● ● Marking diagram and physical dimension
FB, SS, RT
F_PWM
Symbol
Ta(opr)
Symbol
BS1-8
Tjmax
VREF
VLSP
VCC
VCC
Tstg
FCT
Pd
Figure 4. Physical Dimension
BD9479FV
1PIN MARK
TSZ02201-0F1F0C100020-1-2
-55 to +150
9.0 to 35.0
100 to 800
-40 to +85
0.05 to 20
0.6 to 3.0
0.3 to 3.0
Ratings
1125
Limits
150
36
40
20
7
9.Aug.2012 Rev.001
LOT No
*1
Marking
Datasheet
Unit
mW
Unit
kHz
kHz
℃
℃
℃
V
V
V
V
V
V
V