BD94121F Datasheet, PDF (5/28 Pages) Rohm – PFC Direct current resonance type White LED Driver for Large LCD

BD9412F
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
60.3
67.0
73.7 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
【ADIM Block】
ADIM Pin Inflow Current 1
IADIM1
-5
0
+5
µA
ADIM Pin Inflow Current 2
PWM2DC Pin Inflow Current
PWM2DC Pin High Voltage
PWM2DC Pin Low Voltage
PWM2DC Pin Selected Voltage to
High Impedance
【COMPSD Block】
COMPSD Detection Voltage
【FAIL Block】
FAIL Pin ON-Resistance
IADIM2
IPWM2DC
V_PWM2DCH
V_PWM2DCL
V_PWM2DCZ
VCOMPSD
RFAIL
19
4
1.8
-0.3
7.5
3.88
-
28
37
µA
6
8
µA
-
5.0
V
-
+0.8
V
8.0
8.5
V
4.00
4.12
V
100
200
Ω
Conditions
fOUT=60kHz
RRT=27kΩ,RADJ=44kΩ,
VFB=3.2V
VADIM=2.2V,
VPWM2DC=12V
VADIM=5V,
VPWM2DC=12V
VPWM2DC=3V
PWM2DC=sweep up
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TSZ22111 • 15 • 001
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TSZ02201-0F5F0C100100-1-2
22.Feb.2016 Rev.001