參數(shù)資料
型號: LT1308IS8
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, 750 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁數(shù): 3/8頁
文件大小: 266K
代理商: LT1308IS8
3
LT1308
SYMBOL
PARAMETER
Low-Battery Detector Gain
CONDITIONS
1M
Load (25
°
C, 0
°
C)
1M
Load (70
°
C)
V
SW
= 5V
(Note 5)
MIN
1000
500
TYP
3000
MAX
UNITS
V/V
V/V
Switch Leakage Current
Reverse Battery Current
G
0.01
750
10
μ
A
mA
Commercial Grade 0
°
C to 70
°
C. V
IN
= 1.1V, V
SHDN
= V
IN
, T
A
= 25
°
C unless otherwise noted.
ELECTRICAL C
HARA TERISTICS
Commercial Grade T
A
= –20
°
C, V
IN
= 1.1V, V
SHDN
= V
IN
, unless otherwise noted (Note 1).
SYMBOL
I
Q
PARAMETER
Quiescent Current
CONDITIONS
V
FB
= 1.3V, Not Switching
V
SHDN
= 0V
MIN
TYP
80
1
1.22
35
100
600
88
300
2.5
–1.5
200
MAX
160
3
1.245
UNITS
μ
A
μ
A
V
V
FB
g
m
A
V
f
OSC
Feedback Voltage
Error Amp Transconductance
Error Amp Voltage Gain
Switching Frequency
Maximum Duty Cycle
Switch V
CESAT
Shutdown Pin Current
1.195
I = 5
μ
A
μ
mhos
V/V
kHz
500
750
%
I
SW
= 2A, V
IN
= 1.2V
V
SHDN
= V
IN
V
SHDN
= 0V
350
4.0
–2.5
220
mV
μ
A
μ
A
mV
LBI Threshold Voltage
180
Industrial Grade –40
°
C to 85
°
C. V
IN
= 1.2V, V
SHDN
= V
IN
, T
A
= 25
°
C, unless otherwise noted.
SYMBOL
I
Q
PARAMETER
Quiescent Current
CONDITIONS
Not Switching
V
SHDN
= 0V
MIN
TYP
80
1
1.22
27
0.6
MAX
160
3
1.245
80
1.1
1.5
0.8
1.2
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
1.195
V
FB
= V
REF
1.1V
V
IN
2V (–40
°
C)
1.1V
V
IN
2V (85
°
C)
2V
V
IN
6V
G
%/V
%/V
%/V
G
0.3
Minimum Input Voltage (–40
°
C)
Input Voltage Range
Error Amp Transconductance
Error Amp Voltage Gain
V
V
G
1.2
g
m
A
V
I = 5
μ
A
–40
°
C
85
°
C
V
IN
= 1.3V (–40
°
C)
V
IN
= 1.3V (85
°
C)
–40
°
C
85
°
C
DC = 40%
DC = 80%
I
SW
= 2A (–40
°
C)
I
SW
= 2A (85
°
C)
L = 3.3
μ
H, V
OUT
= 3.3V
40
100
80
600
600
88
μ
mhos
V/V
V/V
kHz
kHz
f
OSC
Switching Frequency
500
500
80
75
2.0
1.6
750
750
95
Maximum Duty Cycle
%
%
A
A
Switch Current Limit (Note 3)
G
2.5
2
300
330
200
Switch V
CESAT
350
400
mV
mV
mA
Burst Mode Operation Switch Current Limit
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