BD9394FP Datasheet, PDF (3/31 Pages) Rohm – White LED Driver for large LCD Panels (DCDC Converter type)

BD9394FP, BD9394EFV
●Marking diagram and physical dimension
HSOP20
BD9394FP
LOT No.
HTSSOP-B24
Datasheet
LOT No.
D9394EFV
Fig.4 Physical Dimension
●Electrical Characteristics (Unless otherwise noted, Ta = 25^oC, VCC=24V)
Parameter
Symbol
Min.
Limit
Typ.
Max.
[Whole Device]
Circuit current while in operation
Circuit current while in standby
[REG58 Block]
ICC
ISTB
-
4.5
9
-
40
80
REG58 Output Voltage
REG58
5.742
5.8
5.858
Soft start completion voltage
[UVLO Block]
IREG58
15
-
-
UVLO release voltage
VUVLO_VCC
6.5
7.5
8.5
UVLO hysteresis voltage
VUHYS_VCC
150
300
600
[DC/DC Block]
Error amp. Reference voltage
Oscillation frequency
VLED
fsw
0.35
142.5
0.37
150.0
0.39
157.5
Max. duty cycle per output of N pin
DMAX
83
90
97
On resistance on N pin source side
On resistance on N pin sink side
SS pin source current
RONH
RONL
ISSSO
-
4
8
-
3
6
-4
-2
-1
Soft start completion voltage
VSS_END
3.3
3.7
4.1
FB sink current
FB source current
Over current detection voltage
IFBSINK
IFBSOURCE
VCS
50
-150
0.40
100
-100
0.45
150
-50
0.50
Unit
Condition
mA STB=3V,PWM=3V,RT=100kΩ
µA STB=0V
V IO=0mA
mA
V VCC=SWEEP UP
mV VCC=SWEEP DOWN
V ISET=75kΩ, NADIM=2.62V
kHz RT=100kohm
% RT=100kohm
Ω ION=-10mA
Ω ION=10mA
uA VSS=2V
V SS=SWEEP UP
µA LED=2.0V, VFB=1.0V
µA LED=0V, VFB=1.0V
V CS=SWEEP UP
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TSZ22111・15・001
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TSZ02201-0F1F0C100180-1-2
09.Nov.2012 Rev.002