參數(shù)資料
型號: LT1308CS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Single Cell High Current Micropower 600kHz Boost DC/DC Converter
中文描述: SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁數(shù): 2/8頁
文件大小: 266K
代理商: LT1308CS8
2
LT1308
A
V
IN
, SHDN, LBO Voltage ......................................... 10V
SW Voltage............................................................. 30V
FB Voltage ....................................................... V
IN
+ 1V
V
C
Voltage ................................................................ 2V
LBI Voltage ............................................ 0V
V
LBI
1V
Current into FB Pin ..............................................
±
1mA
Junction Temperature...........................................125
°
C
Operating Temperature Range
Commercial (Note 1) ......................... –20
°
C to 70
°
C
Industrial ........................................... –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
ORDER PART
NUMBER
1
2
3
4
8
7
6
5
TOP VIEW
LBO
LBI
V
IN
SW
V
C
FB
SHDN
GND
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 125
°
C,
θ
JA
= 80
°
C/W
U
PACKAGE/ORDER IU
Consult factory for Military grade parts.
LT1308CS8
LT1308IS8
ELECTRICAL C
Commercial Grade 0
°
C to 70
°
C. V
IN
= 1.1V, V
SHDN
= V
IN
, T
A
= 25
°
C, unless otherwise noted.
HARA TERISTICS
1308
1308I
S8 PART MARKING
SYMBOL
I
Q
PARAMETER
Quiescent Current
CONDITIONS
Not Switching
V
SHDN
= 0V
MIN
TYP
80
1
1.22
27
0.6
MAX
160
3
1.24
80
1.1
1.5
0.8
1
6
UNITS
G
G
μ
A
μ
A
V
nA
V
FB
I
B
Feedback Voltage
FB Pin Bias Current (Note 2)
Reference Line Regulation
G
1.20
V
FB
= V
REF
1.1V
V
IN
2V (25
°
C, 0
°
C)
1.1V
V
IN
2V (70
°
C)
2V
V
IN
6V
G
%/V
%/V
%/V
G
0.3
0.92
Minimum Input Voltage
Input Voltage Range
Error Amp Transconductance
Error Amp Voltage Gain
V
V
G
1
g
m
A
V
I = 5
μ
A
25
°
C, 0
°
C
70
°
C
40
100
80
600
88
2.5
2
300
330
200
2.5
13
–1.5
200
0.1
0.01
5
μ
mhos
V/V
V/V
kHz
f
OSC
Switching Frequency
Maximum Duty Cycle
Switch Current Limit (Note 3)
G
500
80
2.0
1.6
700
95
G
%
A
A
DC = 40%
DC = 80%
I
SW
= 2A (25
°
C, 0
°
C)
I
SW
= 2A (70
°
C)
L = 3.3
μ
H, V
OUT
= 3.3V, V
IN
= 1.2V
V
SHDN
= 1.1V
V
SHDN
= 6V
V
SHDN
= 0V
G
Switch V
CESAT
350
400
mV
mV
mA
μ
A
μ
A
μ
A
mV
Burst Mode Operation Switch Current Limit
Shutdown Pin Current
G
4.0
26
–2.5
220
0.25
0.1
30
G
LBI Threshold Voltage
LBO Output Low
LBO Leakage Current
LBI Input Bias Current (Note 4)
G
180
I
SINK
= 10
μ
A
V
LBI
= 250mV, V
LBO
= 5V
V
LBI
= 150mV
G
V
G
μ
A
nA
G
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