參數(shù)資料
型號(hào): LT1304CS8-5
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Micropower DC/DC Converters with Low-Battery Detector Active in Shutdown
中文描述: 1.2 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁(yè)數(shù): 2/16頁(yè)
文件大?。?/td> 345K
代理商: LT1304CS8-5
2
LT1304/LT1304-3.3/LT1304-5
ABSOLUTE
AXI
U
RATIU
W
V
IN
Voltage ................................................................ 8V
SW Voltage............................................... –0.4V to 25V
FB Voltage (LT1304)...................................... V
IN
+ 0.3V
Sense Voltage (LT1304-3.3/LT1304-5) ..................... 8V
I
LIM
Voltage .............................................................. 5V
SHDN Voltage............................................................ 6V
LBI Voltage ............................................................... V
IN
LBO Voltage............................................................... 8V
Maximum Power Dissipation............................. 500mW
Junction Temperature.......................................... 125
°
C
Operating Temperature Range.....................0
°
C to 70
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
LT1304CS8
LT1304CS8-3.3
LT1304CS8-5
1304
13043
13045
S8 PART MARKING
ORDER PART
NUMBER
1
2
3
4
8
7
6
5
TOP VIEW
LBI
LBO
V
IN
SW
FB (SENSE)*
SHDN
I
LIM
GND
S8 PACKAGE
8-LEAD PLASTIC SO
*FIXED OUTPUT VERSION
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W
PARAMETER
Minimum Operating Voltage
Operating Voltage Range
Quiescent Current
Quiescent Current in Shutdown
CONDITIONS
MIN
TYP
1.5
MAX
1.65
8
200
15
50
1.26
25
1
3.43
5.25
0.15
1.25
20
65
0.4
0.1
UNITS
G
V
V
G
V
SHDN
= 2V, Not Switching
V
SHDN
= 0V, V
IN
= 2V
V
SHDN
= 0V, V
IN
= 5V
LT1304
LT1304
V
SHDN
= 0V, Fixed Output Versions
LT1304-3.3
LT1304-5
1.8V
V
IN
8V
Falling Edge
G
120
7
27
1.24
10
0.002
3.3
5.05
0.04
1.17
6
35
0.2
0.01
μ
A
μ
A
μ
A
V
nA
μ
A
V
V
G
G
Comparator Trip Point
FB Pin Bias Current
Sense Pin Leakage in Shutdown
Output Sense Voltage
G
1.22
G
G
G
G
3.17
4.80
Line Regulation
LBI Input Threshold
LBI Bias Current
LBI Input Hysteresis
LBO Output Voltage Low
LBO Output Leakage Current
SHDN Input Voltage High
SHDN Input Voltage Low
SHDN Pin Bias Current
G
%/V
G
1.10
V
G
nA
mV
G
I
SINK
= 500
μ
A
LBI = 1.5V, LBO = 5V
G
V
G
μ
A
V
V
μ
A
μ
A
μ
s
μ
s
%
A
mA
G
G
1.4
0.4
8
V
SHDN
= 5V
V
SHDN
= 0V
G
G
5
–5
1
4
76
0.8
–2
1.5
6
80
1
500
Switch OFF Time
Switch ON Time
Maximum Duty Cycle
Peak Switch Current
G
2
8
Current Limit Not Asserted
Current Limit Not Asserted
I
LIM
Pin Open, V
IN
= 5V
20k from I
LIM
to GND
G
G
88
1.2
V
IN
= 2V, V
SHDN
= 2V unless otherwise noted.
ELECTRICAL C
HARA TERISTICS
Consult factory for Industrial and Military grade parts.
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