BD92111F Datasheet, PDF (5/28 Pages) Rohm – PFC Direct current resonance type White LED Driver for Large LCD

BD92111F
Electrical Characteristics – continued (Unless otherwise specified Ta=25°C, V_CC= 12V)
Parameter
Symbol
Limit
Min
Typ
Unit
Min
【Output Block】
N1 Output Sink Resistance
N1Output Source Resistance
N2 Output Sink Resistance
N2 Output Source Resistance
MAX DUTY
RN1SI
RN1SO
RN2SI
RN2SO
MAX DUTY
1.5
4.5
1.5
4.5
43.0
3.0
6.0
Ω
9.0
18.0
Ω
3.0
6.0
Ω
9.0
18.0
Ω
45.0
47.0
%
N1-N2,N2-N1Dead Time
Output Frequency
(minimum frequency setting)
tOFF
fOUTMIN
100
200
400
ns
59.3
65.8
72.3 kHz
【Timer Block】
Setting Voltage for CP Time
Setting Current for CP Time
VCP
1.90
2.00
2.10
V
ICP
0.85
1.00
1.15
µA
【COMP Block】
Over voltage Detection level of
COMP
Hysteresis width (COMP)
COMPSD Detection Voltage
VCOMP
⊿VCOMP
VCOMPSD
3.88
0.15
3.88
4.00
4.12
V
0.20
0.25
V
4.00
4.12
V
【FAIL Block】
FAIL Pin ON-Resistance
RFAIL
-
100
200
Ω
Conditions
fOUT=60kHz
RRT=22kΩ,RADJ=36kΩ,
VFB=3.2V
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TSZ02201-0F5F0C100090-1-2
31.Jan.2016 Rev.001