RangeMAX™
I N T E G R A T E D
P R O D U C T S
LX1688
M
ULTIPLE
L
AMP
CCFL C
ONTROLLER
CHARACTERISTIC CURVES
Typical Operating Current (VDD)
6
5.5
VDD Input Current (mA)
ISNS Input Threshold (V)
WWW .
Microsemi
.C
OM
ISNS Input Threshold Voltage Vs Temperature
380
360
VDD=5.5V
5
4.5
VDD=3V
4
3.5
3
-40
340
320
300
280
260
240
220
200
180
VDD=5.5V
VDD=3V
-15
10
35
Temperature (°C)
60
85
-40
-15
10
35
60
85
Temperature (°C)
Output Frequency Vs Temperature
70
68
Output Frequency (KHz)
UVLO Thresholds (V)
66
64
62
2.9
2.85
Under Voltage Lockout Vs Temperature
Turn On
VDD=5V
2.8
2.75
2.7
2.65
2.6
2.55
2.5
VDD=3V
60
58
56
-40
-15
10
35
60
85
Turn Off
-40
-15
10
35
60
85
T emperature (°C)
Temperature (°C)
I_R Voltage Vs Temperature VDD=V
1.010
1.008
1.006
I_R Voltage (V)
1.004
1.002
1.000
Power-on-Reset Pulse Width Vs Temperature VDD=5V
40
35
TPOR(mS)
30
25
20
0.998
C
HARTS
C
HARTS
0.996
-40
-15
10
35
Temperature (°C)
60
85
15
-40
-15
10
35
Temperature (°C)
60
85
Copyright
2001
Rev. 1.1a, 2003-03-21
Microsemi
Integrated Products, Power Management
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
MICROSEMI [ MICROSEMI CORPORATION ]
