BD94121F Datasheet, PDF (4/28 Pages) Rohm – PFC Direct current resonance type White LED Driver for Large LCD

BD9412F
Electrical Characteristics (Unless otherwise specified Ta=25°C, V_CC=12V)
Parameter
Symbol
Limit
Min
Typ
Max
【Whole Device】
Circuit Current
ICC1
－
2.3
5.0
Circuit Current at Stand-by
【STB Block】
STB Pin High Voltage
STB Pin Low Voltage
【VCC UVLO Block】
VCC Operation Voltage
VCC UVLO Hysteresis
【OSC Block】
RT Terminal voltage
【PWMIN Block】
PWMIN Pin High Voltage
PWMIN Pin Low Voltage
【Soft Start Block】
Setting Current for Soft Start Timer
and COMPSD Timer
Soft Start Ended Voltage
Setting Voltage for COMPSD
Timer
【Feed Back Block】
ICC2
VSTH
VSTL
VVCCUVP
⊿VVCCUVP
VRT
V_PWMINH
V_PWMINL
ISS
VSSEND
VSDON
－
2.0
-0.3
7.5
0.37
1.05
1.8
-0.3
1.5
2.30
1.90
0
20
－
VCC
－
+0.8
8.0
8.5
0.50
0.63
1.50
1.95
-
5.0
-
+0.8
2.0
2.5
2.50
2.70
2.00
2.10
IS Threshold Voltage 1
VIS1
0.466
0.477 0.488
IS Threshold Voltage 2
VIS2
0.239
0.250 0.261
IS Threshold Voltage 3
IS Threshold Voltage 4
IS Source Current 1
IS Source Current 2
VS Source Voltage
IS COMP Detection Voltage 1
IS COMP Detection Voltage 2
VIS3
VVS
IIS1
IIS2
IVS
VISCOMP1
VISCOMP2
0.102
1.212
－
40
－
0.020
0.90
0.114
1.250
－
50
－
0.050
1.00
0.126
1.288
0.9
60
0.9
0.080
1.10
Unit
Conditions
mA ^fOUT=60kHz,
VPWMCOMP=0V
µA VSTB=0V
V System ON
V System OFF
V
V
V
V
V
µA
V
V
V
VADIM=2.1V,
VPWM2DC=12V
V
VADIM=1.1V,
VPWM2DC=12V
V
VADIM=0.5V,
VPWM2DC=12V
V
µA VPWMIN=2.5V
µA VPWMIN=0V, VIS=0.8V
µA
IS sweep down
V
VADIM=0.4V
V IS sweep up
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TSZ22111 • 15 • 001
4/24
TSZ02201-0F5F0C100100-1-2
22.Feb.2016 Rev.001