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BD9422EFV_15 Datasheet, PDF (3/30 Pages) Rohm – White LED Driver for large LCD panel | |||
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BD9422EFV
Datasheet
â1.1 Electrical Characteristics 1(Unless otherwise specified, Ta=25°Cï¼VCC=24V)
Parameter
Symbol
Min.
Limit
Typ.
Max.
ãWhole deviceã
Operating circuit current
ICC
-
9
16
Stand-by circuit current
ISTB
ãREG9V blockã
REG9V output voltage
Maximum REG9V output current
REG9V
IREG9V
ãSwitching blockã
N terminal source resistance
RONH
N terminal sink resistance
RONL
ãOver current protection (OCP) blockã
Over current protection voltage
VOCP
ãSoft-start blockã
SS terminal source current
ISS
SS terminal release voltage
VSS
ãError amplifier blockã
LED control voltage
VLED
FB sink current
IFBSINK
FB source current (Master)
IFBSOURCEM
FB source current (Slave)
IFBSWRCKS
LED_LV terminal input current
ILED_LV
ãCT oscillator blockã
Oscillation frequency
FCT
MAX DUTY
DMAX
ãOver voltage protection (OVP) blockã
OVP detection voltage
VOVP
OVP hysteresis voltage
VOVPHYS
-
8.9
20
-
-
0.40
-1.4
2.9
0.66
55
-155
-310
-2
440
83
2.34
10
12
9.0
-
2.5
3.0
0.45
-1.0
3.0
0.7
100
-100
-200
0
500
89
2.43
50
20
9.1
-
3.5
4.2
0.50
-0.6
3.1
0.74
155
-55
-110
2
560
96
2.52
100
OVP feedback voltage
FBOVP
0.93
1.05
1.17
ãShort current protection (SCP) blockã
Short circuit protection voltage
VSCP
ãM_LED blockã
Diode forward voltage
VFLED
Forward voltage offset each ch
VFOFFSET
REG9V pull up resistance
RM_DET
0.12
1120
-
60
0.20
1340
-
100
0.28
1560
20
140
Unit
Condition
mA
STB=3V,LED1-6=ON,
RT=30kâ¦
μA STB=0V
V IO=0mA
mA
⦠ION=-10mA
⦠ION=10mA
V VCS=SWEEP UP
μA
V SS=SWEEP UP
V LED_LV=0.7V
μA LED=2.0V, VFB=1.0V
μA LED=0V, VFB=1.0V,CS=0V
μA LED=0V,VFB=1.0V,CS=5V
uA VLED_LV=3V
kHz RT=30kâ¦
%
V VOVP=SWEEP UP
mV VOVP=SWEEP DOWN
V
PMW1-6=0V,SS=2.8V,
VLED_LV=0.7V
V VOVP=SWEEP DOWN
mV VLED=0V
mV VLED=0V
kâ¦
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TSZ02201-0F1F0C100210-1-2
1.Sep.2015 Rev.006
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