MAX14521E 查看數據表（PDF） - Maxim Integrated
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MAX14521E Datasheet PDF : 20 Pages
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Quad, High-Voltage EL Lamp Driver
with I2C Interface
Typical Operating Characteristics (continued)
(VDD = 3.7V, total CLAMP = 10nF, CCS = 3.3nF, LX = 2.3µH/115µH, 1:7 ratio, (ISAT = 0.7A, RS = 1Ω), TA = +25°C, sine-wave output,
fSW = 800kHz, fEL = 200Hz, unless otherwise noted.)
PEAK-TO-PEAK OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
250
VFI = 200VP-P
240
230
220 CLOAD = 10nF
210
200
190
CLOAD = 20nF
180
170
160
150
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
AVERAGE OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
0
-100
-200
-300
-400
-500
-600
-700
-800
-900
-1000
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
EL SWITCHING FREQUENCY
vs. SUPPLY VOLTAGE
210
205
PEAK-TO-PEAK OUTPUT VOLTAGE
vs. TEMPERATURE
210
VFI = 200VP-P
205
200
195
190
-40 -15
10
35
60
85
TEMPERATURE (°C)
AVERAGE OUTPUT VOLTAGE
vs. TEMPERATURE
0
-100
-200
-300
-400
-500
-600
-700
-800
-900
-1000
-40 -15 10
35
60
85
TEMPERATURE (°C)
EL SWITCHING FREQUENCY
vs. TEMPERATURE
210
VFI = 200VP-P
205
200
200
195
195
190
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
190
-40 -15 10
35
60
85
TEMPERATURE (°C)
PEAK-TO-PEAK OUTPUT VOLTAGE vs. CODE
350
300
250
200
150
100
50
0
0
8
16
24
32
EL_ _[4:0] CODE (DECIMAL VALUE)
EL SWITCHING FREQUENCY vs. FEL[7:0]
1000
900
800
700
600
500
400
300
200
100
0
0
64
128
192
256
FEL[7:0] CODE (DECIMAL VALUE)
BOOST CONVERTER FREQUENCY
vs. FSW[4:0]
1800
1600
1400
1200
1000
800
600
400
200
0
0 4 8 12 16 20 24 28 32
FSW[4:0] CODE (DECIMAL VALUE)
6 _______________________________________________________________________________________
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