BD9415FS Datasheet, PDF (5/34 Pages) Rohm – White LED Driver for 4Ch Large LCD Panels (DC/DC converter type)

BD9415FS
1.8 Electrical Characteristics 2/2 (Unless otherwise specified, VCC=24V, Ta=25°C)
Parameter
Symbol
【Over Voltage Protection (OVP) Block】
OVP Detect Voltage
VOVP
OVP Detect Hysteresis
VOVP_HYS
OVP Pin Leak Current
IOVP
【UVLO Block】
UVLO Unlock Voltage(VCC)
VUVLO_VCC
UVLO Hysteresis(VCC)
VUHYS_VCC
UVLO Unlock Voltage
VUVLO
UVLO Hysteresis
VUHYS
UVLO Input Resistance
【DUTYON Block】
RUVLO
DUTYON Pin HIGH Voltage
DTYON_H
DUTYON Pin LOW Voltage
DTYON_L
DUTYON Pin Pull Down
Resistance
RDTYON
【Over Duty Protection (ODP) Block】
PWM ODP Protection Detect
Duty
DODP
【Filter Block】
AUTO Timer
TAUTO
Abnormal Detection Timer
【LED Driver Block】
TCP
S Pin Voltage
VS
OPEN Detection Voltage
VOPEN
Min
2.91
50
-2
6.5
150
2.375
50
360
1.5
-0.3
180
-
-
-
196
294.6
392.8
491
0.12
SHORT Detection Voltage
VSHORT
5.6
SHORT Mask Voltage
VREF Leak Current
【STB Block】
VSHORT
_MASK
2.8
IVREF
-2
STB Pin HIGH Voltage
STBH
2.0
STB Pin LOW Voltage
STBL
-0.3
STB Pull Down Resistance
RSTB
0.5
【PWM Block】
PWM Pin HIGH Voltage
VPWM_H
1.5
PWM Pin LOW Voltage
VPWM_L
-0.3
PWM Pin Pull Down Resistance RPWM
180
【FAILB Block(OPEN DRAIN)】
Typ
3.00
100
0
7.5
300
2.5
100
600
-
-
300
35
163
20
200
300
400
500
0.2
6.0
3.0
0
-
-
1.0
-
-
300
Max
3.09
200
2
8.5
600
2.625
150
840
18
0.8
420
-
-
-
204
305.4
407.2
509
0.28
6.4
3.2
2
18
0.8
1.5
18
0.8
420
Unit
Condition
V VOVP=SWEEP UP
mV VOVP=SWEEP DOWN
µA VOVP=4.0V
V VCC=SWEEP UP
mV VCC=SWEEP DOWN
V VUVLO=SWEEP UP
mV VUVLO=SWEEP DOWN
kΩ VUVLO=4.0V
V
V
kΩ VDUTYON=3.0V
% FPWM=120Hz, DUTYP=341kΩ
ms FCT=800kHz
ms FCT=800kHz
VREF=1.0V
VREF=1.5V
mV
VREF=2.0V
VREF=2.5V
V VLED=SWEEP DOWN
V
VLED=SWEEP UP,
VLSP=0.895V
V VLED=SWEEP UP
µA VREF=3.0V
V
V
MΩ VSTB=3V
V
V
kΩ VPWM=3V
FAILB LOW Output Voltage
VFAILB_L
0.25 0.5
1.0
V IFAILB=1mA
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TSZ22111・15・001
5/30
TSZ02201-0F2F0C100140-1-2
23.May.2016 Rev.001