MC33441 Datasheet, PDF (3/12 Pages) ON Semiconductor – Electroluminescent Lamp Driver IC

MC33441
MAXIMUM RATINGS (TC = 25°C, unless otherwise noted.)
Rating
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Power Supply Voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Digital Input Voltage Range
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Operating Junction Temperature}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Operating Ambient Temperature}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Storage Temperature Range}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Power Dissipation}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Thermal Resistance, Junction–to–Air}
Symbol
VDD
LOGIC = 0
LOGIC = 1
TJ(max)
TA
Tstg
PD
R_θJA
Max
7.5
0.5
VDD
150
–20 to +70
–50 to +150
300
178
Unit
V
V
°C
°C
°C
mW
°C/W
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{DC ELECTRICAL CHARACTERISTICS (VDD = 2.65V, TA = 25°C, Lamp Capacitance = 2.2nF, Coil = 1mH unless}
otherwise noted.)
Characteristic
Supply Voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Output Voltage (1.8V < VDD ≤ 3.5 V)}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{Peak Coil Current (1.8V < VDD ≤ 3.5 V)}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{Average Coil Current from Battery (1.8V < VDD ≤ 3.5 V)}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{Standby Current (VDD = 3.0 V, ENB = 0)}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{W Clock Frequency (REXT = 125K )}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{Lamp Drive Frequency (Fosc Divide by 384)}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{Coil Drive Frequency ( Fosc Divide by 4)}
Coil Drive Clock Duty Cycle
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{EL Lamp Capacitance Range}
Symbol
Min
VDD
1.8
VEL
120
ICOIL
–
IVDD
–
ISTAND
–
Fosc
112
FEL
–
FCOIL
–
DCCOIL
–
CEL
–
Typ
–
140
70
35
10
140
364.6
35
75
2.2
Max
Unit
3.5
V
160
V
150
mA
75
mA dc avg
100
nA
168
kHz
–
Hz
–
kHz
–
%
–
nF
Figure 2. Output Waveform
VEL1
TIME
VEL2
TIME
VEL
Typical Vpp = 140V
(160V max)
TIME
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