BD9204F Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

○ELECTRICAL CHARACTERISTICS(unless otherwise specified VCC=12V, Ta=25℃)
PARAMETER
Symbol
Limit
MIN.
TYP.
MAX.
【Total Current Consumption】
Circuit Current
Standby Current
【VREG】
ICC
－
4.7
-
IST
－
0
10
VREG Output Voltage
VREG
4.8
5.0
5.2
VREG input current
IREG
2.16
3.6
5.04
【Boost Driving Pin】
N1, N2, N3 resistance1
RONH
-
4.0
-
N1, N2, N3 resistance2
RONL
-
2.0
-
【Error-Amp block】
ILED threshold voltage
VFB
(-2%)
1.5
(+2%)
COMP1,2,3 sink current
ICOMPSI
-
100
-
COMP1,2,3 source current
ICOMPSO
-
100
-
【CT Oscillator block】
Oscillation Frequency
FRT
270
300
330
【SOFT START】
SS source current
ISS
-
1.0
-
SS END pin voltage
VSS
-
5.0
-
【OVP and SCP detection】
Over Voltage Protection voltage
VOVP
1.65
2.0
2.35
OVP hysteresis
VOVPHYS
-
0.05
-
Short Circuit Protection voltage
VSCP
0.05
0.20
0.35
SCP hysteresis
VSCPHYS
-
0.05
-
【Fail pin】
Low level voltage (normal state)
VFAIL
-
0.2
0.5
Leak current (abnormal state)
ILFAIL
-
-
2
CP pin charge current
ICP
-
1
-
CP detect voltage
VCP
-
2.0
-
【SEL pin】
Input Low voltage
VSELL
-0.3
-
0.8
Input Middle voltage
VSELM
1.6
-
3.0
Input High voltage
VSELH
4.2
-
-
【STB pin】
Input Low voltage
VSTBYL
-0.3
-
0.8
Input High voltage
VSTBYH
2.0
-
-
【PWM pin】
Input Low voltage
VPWML
-0.3
-
1.2
Input High voltage
VPWMH
3.0
-
-
(This product is not designed for protection against radioactive rays.)
2/4
UNIT
Conditions
mA STB=H, SEL=L, PWM=L
uA STB=L
V IO=0mA, CREG=1uF
VREG=5.25V
mA (input externally)
STB=H, SEL=L, PWM=L
Ω
ION=-10mA Between output N
and internal power supply
Ω ION=10mA
V VREF=1.5V
uA VLED=2.0V
uA VLED=1.0V
kHz RT=160kΩ
uA
V
V Sweep up
V Sweep down
V Sweep down
V Sweep up
V IOFAIL=1mA
uA VOFAIL=4V
uA VCP=0V
V
V CH1,CH2,CH3=enable
V CH1,CH2,=enable
V CH1=enable
V
V
V
V
REV. Ａ