lx1689 Microsemi Corporation, lx1689 Datasheet - Page 5

• Manufacturer Part Number: lx1689
• Description: Third Generation Ccfl Controller
• Manufacturer: Microsemi Corporation

Copyright © 2000
Rev. 1.1, 2006-02-27
Unless otherwise specified, the following specifications apply over the operating ambient temperature: LX1689CPW: 0 ° C
LX1689IPW: -40°C
Test conditions: V_BATT =3.3 to 28 V
Supply Voltage (V
Digital Input (ENABLE)
Analog Inputs (I_SNS, OC_SNS, OV_SNS)
BRITE_IN Linear DC Voltage Range
BRITE_IN PWM Logic Signal Voltage Range
Digital Inputs (DIM_MODE, DIV_248,DIM_CLK)
Maximum Output Gate Charge (A
POWER
Regulator Output Voltage
V
Regulator Output Voltage
V
V
V
Sleep Mode 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
DD_P
DD_A
BATT
BATT
Dynamic Current
Drop Out Voltage
Dropout Voltage
Static Current
TM
Parameter
_BATT
≤
T
)
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
A
≤
85°C, except where otherwise noted.
R E C O M M E N D E D O P E R A T I N G C O N D I T I O N S
OUT
Parameter
, B
DC
OUT
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
, I_R =80.6K Ω , BRITE_R = BRITE_OUT = 10K Ω , BRITE_C =open, ICOMP =100pf
I
I
V
Symbol
V
)
BATT_SLEEP
BATT_SLEEP
I
I
I
IH_ENABLE
IH_ENABLE
V
V
TL_ENSHDN
IL_ENABLE
∆V
∆V
TH_ENRUN
V
V
I
I
H_UVLO
T_UVLO
BATT
BATT
DD_P
DD_A
DD_P
DD_A
V
∆V
V
∆V
C
V
V
ENABLE = 2V
ENABLE = 5V
ENABLE = 0V
Run Mode
Shutdown Mode
_BATT
_BATT
AOUT
ENABLE
ENABLE
DD_P
DD_A
Integrated Products
®
Microsemi
= C
= 6 to 28 V, I Load = 0 – 5mADC
= 3.5 to 28V, I Load = 0 – 5mADC
= -1% , I Load = 5mADC; T
= -1% , I Load = 5mADC; T
≤ 0.4V; V
≤ 0.4V; V
BOUT
= 1000pF
Test Conditions
BATT
BATT
Third Generation CCFL Controller
= 5V
= 28V
P
RODUCTION
A
A
= 25°C
= 25°C
Min
0.5
-3
3
0
0
0
LX1689
D
ATA
Typ
10
Min
5.05
2.75
0.4
2.1
-1
S
HEET
LX1689
Typ
2.95
2.55
2.35
100
200
5.3
5.5
2.8
1.1
1.1
50
10
22
35
2
0
Max
6.5
5.5
28
20
3
2
5
≤
Max
5.55
3.15
T
1.4
2.8
17
35
12
80
9
5
1
A
≤
LX1689
Units
70 ° C,
V
nC
V
V
V
V
V
Units
PK
mV
mV
mA
mA
mV
µA
µA
µA
µA
µA
V
V
V
V
V
V
Page 5