LX1691(2004) データシートの表示（PDF） - Microsemi Corporation
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LX1691 Datasheet PDF : 15 Pages
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LX1691
TM
®
Enhanced Multi-Mode CCFL Controller
PRODUCTION DATA SHEET
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage (VDDP)
Digital Input (ENABLE)
Analog Inputs (I_SNS, OC_SNS, OV_SNS)
BRITE_IN Linear DC Voltage Range
BRITE_OUT, BRITE_R Maximum Source Current
Digital Inputs (DIM_MODE, DD_CLK)
Internal Oscillator Frequency (I_R Resistor Range 42K to 175K)
Maximum Output Gate Charge (AOUT, BOUT)
LX1691
Min
Typ
2.8
0
-2
0
0
60
10
Max
5.5
5.5
2
2
100
5.5
250
20
Units
V
V
VPK
V
µA
V
KHz
nC
ELECTRICAL CHARACTERISTICS (CONTINUED)
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C ≤ TA ≤ 85°C except where
otherwise noted. Test conditions: VDDP =3.3 to 5.5 V, I_R =80.6KΩ, BRITE_R = BRITE_OUT = 20KΩ, OVSNS = OCSNS = 0V,
DD_CLK = DIM_MODE = Floating
Parameter
` POWER
Power Supply Input Voltage
Regulator Output Voltage
VDDA Drop Out Voltage
VDDP Operating Current
Sleep Mode Current
` ENABLE INPUT
Run Threshold
Shutdown Threshold
Input High Current
Input High Current
Input Low Current
` UNDER VOLTAGE LOCKOUT
Startup Threshold
UVLO Threshold
UVLO Hysteresis
` BIAS BLOCK
Voltage at Pin I_R
Pin I_R Max Source Current
Voltage Reference Voltage
(Internal node)
` OUTPUT BUFFER BLOCK
Output Sink Current
Output Source Current
Symbol
Test Conditions
V_BATT
VDDA
VDROPOUT
IBB
IDD_SLEEP
VDDP= 3.3 to 5.5V, I Load = 0 mADC
I Load = 0 mADC
CAOUT = CBOUT = 1000pF; fOSC = 130kHz
VENABLE = 0.8V, VDDP = 5.5V
VTH_ENRUN
VTH_ENSHDN
IIH_ENABLE ENABLE = 2V
IIH_ENABLE ENABLE = 5V
IIL_ENABLE ENABLE = 0V
VTH_UVLO
VH_UVLO
Run Mode
Shutdown Mode
V_IR
IMAX_IR
V2P0
80.6K
ISK_OUTBUF
IS_OUTBUF
VAOUT, VBOUT = VDDP
VAOUT, VBOUT = 0V
LX1691
Units
Min Typ Max
2.8
5.5
V
2.85 3.0 3.15
V
50
150 mV
10
15
mA
10
µA
1.5
2.8
V
0.8
1.1
V
2
12
µA
35
80
µA
-1
0
1
µA
2.55 2.8
V
2.1 2.35
200
mV
0.975
1.025 V
100
µA
1.98
2.02
V
100
mA
100
mA
Copyright © 2003
Rev. 1.0, 7/16/2004
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
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