파트넘버.co.kr BD9204F 데이터시트 PDF


BD9204F 반도체 회로 부품 판매점

Silicon Monolithic Integrated Circuit



ROHM Semiconductor 로고
ROHM Semiconductor
BD9204F 데이터시트, 핀배열, 회로
STRUCTURE
PRODUCT
TYPE
FEATURE
Silicon Monolithic Integrated Circuit
White LED Driver for LCD Backlights
BD9204F
Input voltage range 7V-15V
Built-in 3ch boost DCDC converter (current mode)
OVP, SCP, OPEN protection
Analog dimming, PWM dimming enable
Under voltage lock out (UVLO)
Fail pin annotate abnormal state
SOP28 package
ABSOLUTE MAXIMUM RATINGS (Ta=25)
PARAMETER
Symbol
Power Supply Voltage
Vccmax
Power Dissipation
Operating Temperature Range
Pd
Topr
Storage Temperature Range
Tstg
*1 Pd derated at 6.0 mW/for temperature above Ta=25,
mounted on 70mm×70mm×1.6mm 1 layer(cupper area 70mm×70mm)glass-epoxy PCB.
This product is not designed for protection against radioactive rays.
Limit
20
750 *1
-40+85
-55+150
Unit
V
mW
OPERATING CONDITIONS (Ta=25)
PARAMETER
Power Supply Voltage
Symbol
VCC
Limit
715
Unit
V
1/4
www.DataSheet4U.com
REV.


BD9204F 데이터시트, 핀배열, 회로
ELECTRICAL CHARACTERISTICS(unless otherwise specified VCC=12V, Ta=25)
PARAMETER
Symbol
Limit
MIN.
TYP.
MAX.
Total Current Consumption
Circuit Current
ICC
4.7
-
Standby Current
IST 0 10
VREG
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
Error-Amp block
RONL
- 2.0 -
ILED threshold voltage
VFB
(-2%) 1.5 (+2%)
COMP1,2,3 sink current
ICOMPSI
- 100 -
COMP1,2,3 source current
CT Oscillator block
ICOMPSO - 100 -
Oscillation Frequency
FRT 270 300 330
SOFT START
SS source current
ISS - 1.0 -
SS END pin voltage
OVP and SCP detection
VSS
- 5.0 -
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
Fail pin
VSCPHYS - 0.05 -
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
SEL pin
VCP
- 2.0 -
Input Low voltage
VSELL
-0.3 -
0.8
Input Middle voltage
VSELM 1.6 - 3.0
Input High voltage
STB pin
VSELH 4.2 -
-
Input Low voltage
VSTBYL
-0.3
-
0.8
Input High voltage
PWM pin
VSTBYH
2.0
-
-
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
www.DataSheet4U.com
REV.




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