參數資料
型號: LT1307IS8#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.25 A SWITCHING REGULATOR, 750 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁數: 12/20頁
文件大?。?/td> 369K
代理商: LT1307IS8#TR
2
LT1307/LT1307B
1307fa
VIN, SHDN, LBO Voltage ......................................... 12V
SW Voltage ............................................................. 30V
FB Voltage ....................................................... VIN + 1V
VC Voltage ................................................................ 2V
LBI Voltage ............................................ 0V
≤ VLBI ≤ 1V
Current into FB Pin ..............................................
±1mA
Junction Temperature ........................................... 125
°C
Operating Temperature Range
Commercial (Note 2) ......................... – 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
TJMAX = 125°C, θJA = 160°C/W
ORDER PART
NUMBER
ORDER PART
NUMBER
1
2
3
4
VC
FB
SHDN
GND
8
7
6
5
LBO
LBI
VIN
SW
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
1
2
3
4
8
7
6
5
TOP VIEW
LBO
LBI
VIN
SW
VC
FB
SHDN
GND
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
LT1307CMS8
LT1307BCMS8
LT1307CN8
LT1307CS8
LT1307IS8
LT1307BCS8
LT1307BIS8
TJMAX = 125°C, θJA = 100°C/W (N8)
TJMAX = 125°C, θJA = 120°C/W (S8)
S8 PART MARKING
1307
1307B
1307I
1307BI
MS8 PART MARKING
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
Commercial Grade 0
°C to 70°C. VIN = 1.1V, VSHDN = VIN, LT1307/LT1307B unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IQ
Quiescent Current
Not Switching (LT1307)
q
50
90
A
Not Switching (LT1307B)
q
1.0
1.5
mA
VSHDN = 0V
q
13
A
VFB
Feedback Voltage
q
1.20
1.22
1.24
V
IB
FB Pin Bias Current (Note 3)
VFB = VREF
q
27
60
nA
Reference Line Regulation
1V
≤ VIN ≤ 2V (25°C, 0°C)
0.6
1.1
%/V
1V
≤ VIN ≤ 2V (70°C)
1.5
%/V
2V
≤ VIN ≤ 5V
q
0.3
0.8
%/V
Minimum Input Voltage
0.92
1
V
Input Voltage Range
q
15
V
gm
Error Amp Transconductance
I = 5A
q
25
35
65
mhos
AV
Error Amp Voltage Gain
25
°C, 0°C
35
100
V/V
70
°C
30
V/V
fOSC
Switching Frequency
q
550
600
750
kHz
LTIC
LTIB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
ELECTRICAL CHARACTERISTICS
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