參數(shù)資料
型號： LT1186FCS
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述： 3 A FLUORESCENT LIGHT CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, PLASTIC, SO-16
文件頁數(shù)： 2/16頁
文件大小： 206K
代理商： LT1186FCS
2
LT1186F
ABSOLUTE
AXI
U
RATIU
W
V
CC
........................................................................... 7V
BAT, Royer, BULB .................................................. 30V
CCFL V
SW
............................................................... 60V
Shutdown ................................................................. 6V
I
CCFL
Input Current .............................................. 10mA
DIO Input Current (Peak, <100ms).................... 100mA
Digital Inputs ................................ –0.3V to V
CC
+ 0.3V
Digital Outputs.............................. –0.3V to V
CC
+ 0.3V
DAC Output Voltage....................... –20V to V
CC
+ 0.3V
Junction Temperature (Note 1)........................... 100
°
C
Operating Ambient Temperature Range
LT1186FC............................................ 0
°
C to 100
°
C
LT1186FI ..........................................–40
°
C to 100
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................ 300
°
C
W
W
T
JMAX
= 100
°
C,
θ
JA
= 100
°
C/W
LT1186FCS
LT1186FIS
ORDER PART
NUMBER
PACKAGE/ORDER I
FOR
ATIO
W
U
U
Consult factory for Industrial and Military grade parts.
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CCFL PGND
I
CCFL
DIO
CCFL V
C
AGND
SHDN
CLK
CS
CCFL V
SW
BULB
BAT
ROYER
V
CC
I
OUT
D
OUT
D
IN
xSYMBOL PARAMETER
I
Q
Supply Current
I
SHDN
SHUTDOWN Supply Current
SHUTDOWN Input Bias Current
SHUTDOWN Threshold Voltage
f
Switching Frequency
CONDITIONS
3V
≤
V
CC
≤
6.5V, 1/2 Full-Scale DAC Output Current
SHUTDOWN = 0V, CCFL V
C
Open (Note 2)
SHUTDOWN = 0V, CCFL V
C
= Open
MIN
TYP
6
35
5
0.85
200
200
85
85
70
MAX
9.5
70
10
1.2
225
240
UNITS
mA
G
μ
A
μ
A
V
kHz
kHz
%
%
G
0.45
175
160
80
75
60
Measured at CCFL V
SW
, I
SW
= 50mA,
I
CCFL
= 100
μ
A, CCFL V
C
= Open
Measured at CCFL V
SW
G
DC(MAX)
Maximum Switch Duty Cycle
G
BV
Switch Breakdown Voltage
Switch Leakage Current
Measured at CCFL V
SW
V
SW
= 12V, Measured at CCFL V
SW
V
SW
= 30V, Measured at CCFL V
SW
3V
≤
V
CC
≤
6.5V
V
20
40
μ
A
μ
A
V
V
mV
I
CCFL
Summing Voltage
0.425
0.385
0.465
0.465
5
0.505
0.555
15
G
I
CCFL
Summing Voltage for
Input Programming Current
CCFL V
C
Offset Sink Current
CCFL V
C
Source Current for
I
CCFL
Programming Current
I
CCFL
= 0
μ
A to 100
μ
A
CCFL V
C
= 1.5V, Positive Current Measured into Pin
I
CCFL
= 25
μ
A, 50
μ
A, 75
μ
A, 100
μ
A,
CCFL V
C
= 1.5V
T
J
< 0
°
C
DIO = 5mA out of Pin, Measure I(V
C
) at CCFL V
C
= 1.5V
V
BAT
– V
BULB
= BULB Protect Servo Voltage
I
CCFL
= 100
μ
A
CCFL V
SW
DC = 0%
–5
4.70
5
15
5.20
μ
A
G
4.95
μ
A/
μ
A
G
4.60
94
4.95
99
0.1
2.1
0.95
5.20
104
0.3
2.4
1.3
μ
A/
μ
A
μ
A/mA
CCFL V
C
to DIO Current Servo Ratio
CCFL V
C
Low Clamp Voltage
CCFL V
C
High Clamp Voltage
CCFL V
C
Switching Threshold
G
G
V
V
V
G
1.7
0.6
G
ELECTRICAL CHARACTERISTICS
T
A
= 25
°
C, V
CC
= SHUTDOWN = D
IN
= CS = 3.3V, BAT = Royer = BULB = 12V, I
CCFL
= CCFL V
SW
= Open, D
OUT
= Three-State, DIO = I
OUT
= CLK = GND, CCFL V
C
= 0.5V, unless otherwise specified.
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