lx1692 Microsemi Corporation, lx1692 Datasheet - Page 7

• Manufacturer Part Number: lx1692
• Description: Ccfl Backlight Controller Ic
• Manufacturer: Microsemi Corporation

Copyright © 2004
Rev. 1.2, 12/20/2006
Unless otherwise specified, the following specifications apply over the operating ambient temperature -20°C
otherwise noted and the following test conditions:.
PWM BLOCK
ISNS Input Voltage Range
OC_SNS Input Voltage Range
OV_SNS Input Voltage Range
VIN_SNS Input Voltage Range
ICOMP Error Amp
Transconductance
ICOMP Output Source Current
ICOMP Output Sink Current
ICOMP Output Voltage Range
ISNS-BRITE_A Input Offset Voltage
ICOMP Discharge Current
ICOMP to A/B Output Propagation
Delay
VCOMP High voltage
VCOMP Sink Current
OUTPUT BUFFER BLOCK
Output Resistance
Output Resistance
Pull Up Resistance
Pull Down Resistance
Output voltage High
Output voltage low
Min off time
Note 1. External resistor divider is connected to Vcomp pin. 100K between VDDA and Vcomp, 300K between Vcomp to GND.
TM
Parameter
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
E L E C T R I C A L C H A R A C T E R I S T I C S ( C O N T I N U E D )
Symbol
V
V
I
R
G
T
R
I
V
I
LO_VCOMP
V
V
I
SK_EAMP
D_ICOMP
HI_VCOMP
V
V
OS_EAMP
S_EAMP
VOH
D_COMP
ON_SINK
VOL
M_EAMP
R_EAMP
ON_SRC
R_ISNS
R_VINS
R
R
t
R_OC
R_OV
OFF
UP
DN
Integrated Products Division
Maximum recommended for linear operation of
error amplifier
ISNS =1.5V
ΔV_
ΔV_
ISNS=1.5V, Ta=25°C
VOVSNS = 0V, See Note 1
VVCOMP = 2V
VDDP = 5V
VDDP = 5V
Cout, Dout
Aout, Bout
C
C
AOUT
AOUT
EAIN
EAIN
®
Microsemi
= C
= C
= 1.0V
= 1.0V
BOUT
BOUT
= C
= C
Test Conditions
COUT
COUT
Full Bridge Resonant CCFL Controller
= C
= C
DOUT
DOUT
=2000pF
=2000pF
P
RODUCTION
VDDP-0.4
D
Min
-100
ATA
-0.3
100
1.5
-4
-4
-4
0
0
≤
S
LX1692
HEET
T
VDDA
1100
A
Typ
220
100
100
320
10
30
30
20
20
0
≤
70°C except where
VDDP
VDDA
VDDP
Max
+4.0
+4.0
410
100
0.4
+4
LX1692
Units
µmho
Vpk
Vpk
Vpk
Vpk
mV
mA
mA
KΩ
KΩ
µA
µA
ns
ns
V
V
Ω
Ω
V
V
Page 7