LT1186FCS Linear Technology, LT1186FCS Datasheet - Page 3

• Manufacturer Part Number: LT1186FCS
• Description: IC SWTCH REG CCFL DAC PROG16SOIC
• Manufacturer: Linear Technology
• Series: Bits-to-Nits™r
• Type: CCFL Controllerr

Specifications of LT1186FCS

• Frequency: 175 ~ 225 kHz
• Current - Supply: 6mA
• Voltage - Supply: 3 V ~ 6.5 V
• Operating Temperature: 0°C ~ 100°C
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -

ELECTRICAL CHARACTERISTICS
SYMBOL
I
V
V
V
V
V
I
SERIAL INTERFACE (Notes 4, 5)
f
t
t
t
t
t
t
t
t
t
t
t
T
= CLK = GND, CCFL V
LIM
OZ
CLK
CKS
CSS
DV
DS
DH
DO
CKHI
CKLO
CSH
DZ
CKH
A
SAT
IH
IL
OH
OL
I
SW
I
Q
= 25 C, V
PARAMETER
CCFL High-Side Sense Servo Current
CCFL High-Side Sense Servo Current
Line Regulation
CCFL High-Side Sense Supply Current Current Measured into BAT and Royer Pins
BULB Protect Servo Voltage
BULB Input Bias Current
CCFL Switch Current Limit
CCFL Switch On Resistance
Supply Current Increase During
CCFL Switch On Time
DAC Resolution
DAC Full-Scale Current
DAC Zero Scale Current
DAC Differential Nonlinearity
DAC Supply Voltage Rejection
Logic Input Current
High Level Input Voltage
Low Level Input Voltage
High Level Output Voltage
Low Level Output Voltage
Three-State Output Leakage
Clock Frequency
Setup Time, CLK Before CS
Setup Time, CS Before CLK
CS to D
Data in Setup Time Before CLK
Data in Hold Time After CLK
CLK to D
CLK High Time
CLK Low Time
CLK Before CS
CS to D
CS Before CLK
CC
= SHUTDOWN = D
OUT
OUT
OUT
C
Valid
In Hi-Z
= 0.5V, unless otherwise specified.
Valid
IN
= CS = 3.3V, BAT = Royer = BULB = 12V, I
CONDITIONS
I
T
BAT = 5V to 30V, I
I(V
I
Servo Voltage Measured between BAT and BULB Pins
I
Duty Cycle = 50%
Duty Cycle = 75% (Note 3)
CCFL I
CCFL I
V(I
V(I
3V V
0V V
V
V
V
V
V
V
V
V
V
See Test Circuits
See Test Circuits
See Test Circuits
CCFL
CCFL
CCFL
J
CC
CC
CC
CC
CC
CC
CC
CC
CS
< 0 C
C
OUT
OUT
) = 0 A at CCFL V
= 3.3V
= 5V
= 3.3V
= 5V
= 3.3V, I
= 5V, I
= 3.3V, I
= 5V, I
= V
= 100 A, I(V
= 100 A, I(V
= 100 A, I(V
) = 0.465V, Measured in SPI Mode
) = 0.465V, Measured in SPI Mode
SW
SW
CC
IN
CC
= 1A
= 1A
O
O
V
6.5V, I
CC
O
= 400 A
O
= 2mA
= 400 A
= 1mA
C
C
C
OUT
CCFL
) = 0 A at CCFL V
) = 0 A at CCFL V
) = 0 A at CCFL V
C
= Full Scale, V(I
= 100 A,
= 1.5V
CCFL
C
C
C
OUT
= 1.5V
= 1.5V,
= 1.5V
) = 0.465V
= CCFL V
SW
= Open, D
MIN
0.93
0.91
1.25
48.5
47.0
150
400
150
150
150
150
200
250
150
6.5
0.9
1.9
2.1
2.4
OUT
50
2
= Three-State, DIO = I
1.00
1.00
TYP
100
0.1
7.0
1.9
1.6
0.6
20
50
50
5
8
2
LT1186F
MAX
1.07
1.07
0.16
51.5
53.0
0.45
0.80
150
200
400
400
7.5
3.0
2.6
1.0
0.4
0.4
30
2.0
9
4
2
1
5
OUT
mA/A
3
UNIT
MHz
%/V
LSB
LSB
Bits
nA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
A
A
A
V
A
A
A
A
A
A
V
V
V
V
V
V
V
V
A