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MAX14521EETG+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
MAX14521E
Quad, High-Voltage EL Lamp Driver
with I
2
C Interface
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.5V, total C
LAMP
= 10nF, C
CS
= 3.3nF, tapped inductor = 2.3µH/115µH, 1:7 ratio (I
SAT
= 0.7A, R
S
= 1Ω),
T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C and V
DD
= 3.7V.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Leakage Current I
LKG
-1 +1 µA
Output Low Voltage V
OL
I
SINK
= 3mA 0.4 V
Input/Output Capacitance C
I/O
10 pF
Serial-Clock Frequency f
SCL
400 kHz
Clock Low Period t
LOW
1.3 µs
Clock High Period t
HIGH
0.6 µs
Bus Free Time t
BUF
1.3 µs
START Setup Time t
SU,STA
0.6 µs
START Hold Time t
HD
,
STA
0.6 µs
STOP Setup Time t
SU
,
STO
0.6 µs
Data In Setup Time t
SU
,
DAT
100 ns
Data In Hold Time t
HD
,
DAT
0 900 ns
Receive SCL/SDA Minimum Rise
Time
t
R
20 +
0.1C
B
ns
Receive SCL/SDA Maximum Rise
Time
t
R
300 ns
Receive SCL/SDA Minimum Fall
Time
t
F
20 +
0.1C
B
ns
Receive SCL/SDA Maximum Fall
Time
t
F
300 ns
Transmit SDA Fall Time t
F
C
B
= 400pF
20 +
0.1C
B
300 ns
SCL/SDA Noise Suppression
Time
t
I
50 ns
ESD PROTECTION
Human Body Model ±15
IEC 61000-4-2 Contact Discharge ±6EL_
,
COM
IEC 61000-4-2 Air Gap Discharge ±8
kV
THERMAL PROTECTION
Thermal Shutdown T
SHDN
160 °C
Thermal Shutdown Hysteresis T
HYST
12 °C
Note 2: All parameters are 100% production tested at T
A
= +25°C and T
A
= +85°C, unless otherwise noted. Parameters at -40°C are
guaranteed by design.
Note 3: See the
f
SW
Selection
section when V
BAT
is above 5.5V.
MAX14521E
Quad, High-Voltage EL Lamp Driver
with I
2
C Interface
_______________________________________________________________________________________ 5
TOTAL INPUT CURRENT
vs. SUPPLY VOLTAGE
MAX14521E toc01
SUPPLY VOLTAGE (V)
TOTAL INPUT CURRENT (mA)
3.9 5.13.53.1 4.74.3
10
20
30
40
50
60
0
2.7 5.5
V
FI
= 300V
P-P
V
FI
= 200V
P-P
TOTAL INPUT CURRENT
vs. TEMPERATURE
MAX14521E toc02
TEMPERATURE (°C)
TOTAL INPUT CURRENT (mA)
10 35 60-15
40
44
48
52
56
60
16
20
24
4
8
12
28
32
36
0
-40 85
V
FI
= 300V
P-P
TOTAL INPUT CURRENT
vs. BOOST CONVERTER FREQUENCY
MAX14521E toc03
BOOST CONVERTER FREQUENCY (kHz)
TOTAL INPUT CURRENT (mA)
1000 14001200800600
20
40
60
80
0
400 1600
V
FI
= 300V
P-P
POINT WHERE SET
V
EL
DECREASES AS
FREQUENCY INCREASES
V
FI
= 200V
P-P
Typical Operating Characteristics
(V
DD
= 3.7V, total C
LAMP
= 10nF, C
CS
= 3.3nF, L
X
= 2.3µH/115µH, 1:7 ratio, (I
SAT
= 0.7A, R
S
= 1Ω), T
A
= +25°C, sine-wave output,
f
SW
= 800kHz, f
EL
= 200Hz, unless otherwise noted.)
SCL
SDA
START
CONDITION
STOP
CONDITION
REPEATED
START CONDITION
START
CONDITION
t
HD, STA
t
SU, STA
t
HD, STA
t
BUF
t
SU, STO
t
LOW
t
SU, DAT
t
HD, DAT
t
HIGH
t
R
t
F
Figure 1. I
2
C Timing Specifications
TOTAL INPUT CURRENT vs. LOAD
MAX14521E toc04
TOTAL COMBINED LOAD (nF)
TOTAL INPUT CURRENT (mA)
4020 60
40
80
120
160
200
0
080
V
EL
= 250V
P-P
, f
SW
= 800kHz,
UNLESS OTHERWISE NOTED
V
DD
= 5V
f
SW
= 700kHz
V
DD
= 3.3V
f
SW
= 400kHz
V
EL
= 200V
P-P
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX14521E toc05
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT (nA)
3.9 5.13.53.1 4.74.3
0.5
1
1.5
2
0
2.7 5.5
SHUTDOWN CURRENT vs. TEMPERATURE
MAX14521E toc06
TEMPERATURE (°C)
SHUTDOWN CURRENT (nA)
10 35 60-15
10
100
1
0.1
-40 85
MAX14521E
Quad, High-Voltage EL Lamp Driver
with I
2
C Interface
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= 3.7V, total C
LAMP
= 10nF, C
CS
= 3.3nF, L
X
= 2.3µH/115µH, 1:7 ratio, (I
SAT
= 0.7A, R
S
= 1Ω), T
A
= +25°C, sine-wave output,
f
SW
= 800kHz, f
EL
= 200Hz, unless otherwise noted.)
EL SWITCHING FREQUENCY
vs. TEMPERATURE
MAX14521E toc14
TEMPERATURE (°C)
-15 10 6035-40 85
EL SWITCHING FREQUENCY (Hz)
195
200
205
210
190
V
FI
= 200V
P-P
BOOST CONVERTER FREQUENCY
vs. FSW[4:0]
MAX14521E toc15
FSW[4:0] CODE (DECIMAL VALUE)
1284162420 28032
BOOST CONVERTER FREQUENCY (kHz)
600
1000
1400
1800
400
200
800
1200
1600
0
PEAK-TO-PEAK OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
MAX14521E toc07
SUPPLY VOLTAGE (V)
PEAK-TO-PEAK OUTPUT VOLTAGE (V)
3.9 5.13.53.1 4.74.3
160
170
200
210
220
180
190
230
240
250
150
2.7 5.5
V
FI
= 200V
P-P
C
LOAD
= 10nF
C
LOAD
= 20nF
PEAK-TO-PEAK OUTPUT VOLTAGE
vs. TEMPERATURE
MAX14521E toc08
TEMPERATURE (°C)
PEAK-TO-PEAK OUTPUT VOLTAGE (V)
10 35 60-15
205
210
195
200
190
-40 85
V
FI
= 200V
P-P
PEAK-TO-PEAK OUTPUT VOLTAGE vs. CODE
MAX14521E toc09
EL_ _[4:0] CODE (DECIMAL VALUE)
PEAK-TO-PEAK OUTPUT VOLTAGE (V)
16824
100
150
250
50
200
300
350
0
032
AVERAGE OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
MAX14521E toc10
SUPPLY VOLTAGE (V)
AVERAGE OUTPUT VOLTAGE (mV)
4.74.3 5.13.93.1 3.5
-700
-500
-300
-800
-400
-100
0
-1000
-600
-200
-900
2.7 5.5
AVERAGE OUTPUT VOLTAGE
vs. TEMPERATURE
MAX14521E toc11
TEMPERATURE (°C)
AVERAGE OUTPUT VOLTAGE (mV)
-15 10 6035
-700
-500
-300
-800
-400
-100
0
-1000
-600
-200
-900
-40 85
EL SWITCHING FREQUENCY vs. FEL[7:0]
MAX14521E toc12
FEL[7:0] CODE (DECIMAL VALUE)
EL SWITCHING FREQUENCY (Hz)
19264 128
300
500
700
200
600
900
1000
0
400
800
100
0 256
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

MAX14521EETG+T

Mfr. #:
Buy MAX14521EETG+T
Manufacturer:
Maxim Integrated
Description:
Display Drivers & Controllers Quad High-Voltage EL Lamp Driver w/I2C
Lifecycle:
New from this manufacturer.
Delivery:
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