MAX4990E Maxim Integrated Products, MAX4990E Datasheet - Page 4

• Manufacturer Part Number: MAX4990E
• Description: High-Voltage +-15kV ESD-Protected Electroluminescent Lamp Driver
• Manufacturer: Maxim Integrated Products

High-Voltage, ±15kV ESD-Protected
Electroluminescent Lamp Driver
ELECTRICAL CHARACTERISTICS (continued)
(V
noted. Typical values are at V
Note 1: Specifications at T
(V
C
4
THERMAL SHUTDOWN
Thermal Shutdown
Thermal Shutdown Hysteresis
EL
DD
DD
_______________________________________________________________________________________
= 1.2nF, T
= +2.4V to +5.5V, C
20
18
16
14
12
10
1.0
0.8
0.6
0.4
0.2
= +3.6V, C
8
6
4
2
0
0
2.4
2.4
DIM = EN = 0V
PARAMETER
3.0
A
3.0
TOTAL INPUT CURRENT
vs. SUPPLY VOLTAGE
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
= +25°C, unless otherwise noted.)
LAMP
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.6
3.6
= 10nF, C
LAMP
4.2
A
4.2
= -40°C are guaranteed by design and not production.
DD
= 10nF, C
= +3.0V and T
CS
4.8
4.8
= 3.3nF, L
SYMBOL
5.4
5.4
CS
= 3.3nF, L
X
A
0.01
= +25°C.) (Note 1)
= 220µH (I
100
0.1
10
20
16
12
1
8
4
0
-40
-40
DIM = EN = 0V
X
= 220µH (I
-15
-15
TOTAL INPUT CURRENT
SAT
SHUTDOWN CURRENT
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
= 170mA, R
CONDITIONS
10
10
SAT
Typical Operating Characteristics
35
35
= 170mA, R
S
= 5.5Ω), R
60
60
S
85
85
= 5.5Ω), T
SLEW
300
250
200
150
100
= 390kΩ, DIM = V
50
80
60
40
20
0
0
MIN
2.4
A
40
- - - - PEAK-TO-PEAK OUTPUT VOLTAGE
90% DUTY CYCLE
= T
vs. BOOST CONVERTER FREQUENCY
PEAK-TO-PEAK OUTPUT VOLTAGE
PEAK-TO-PEAK OUTPUT VOLTAGE
BOOST CONVERTER FREQUENCY (kHz)
MIN
TOTAL INPUT CURRENT AND
3.0
vs. SUPPLY VOLTAGE
80
TYP
158
to T
SUPPLY VOLTAGE (V)
w w w . D a t a S h e e
8
C
C
3.6
CS
CS
MAX
= 4.7nF
= 2.2nF
120
DD
, unless otherwise
MAX
4.2
, C
DIM = 1.3V
DIM = 1.0V
DIM = 0.8V
DIM = 0.6V
SW
C
C
CS
CS
160
4.8
= 100pF,
= 2.2nF
= 4.7nF
MAX4990E toc03
UNITS
°C
°C
5.4
200
300
225
150
75
0