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參數(shù)資料
| 型號： | LT1107MJ8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 95 kHz SWITCHING FREQ-MAX, CDIP8 |
| 封裝： | CERDIP-8 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 254K |
| 代理商： | LT1107MJ8 |
3
LT1107
ELECTRICAL C
V
IN
= 3V, military or commercial version, T
A
= 25
°
C, unless otherwise noted.
HARA TERISTICS
SYMBOL
A
V
PARAMETER
Gain Block Gain
Current Limit
Current Limit Temperature Coefficient
Switch OFF Leakage Current
Maximum Excursion Below GND
CONDITIONS
R
L
= 100k (Note 3)
220
to I
LIM
to V
IN
MIN
1000
TYP
6000
400
–0.3
1
–400
MAX
UNITS
V/V
mA
%/
°
C
G
G
Measured at SW1 Pin, V
SW1
= 12V
I
SW1
≤
10
μ
A, Switch OFF
10
μ
A
mV
V
SW2
–350
V
IN
= 3V, – 55
°
C
≤
T
A
≤
125
°
C, unless otherwise noted.
LT1107C
TYP
SYMBOL
I
Q
f
OSC
DC
PARAMETER
Quiescent Current
Oscillator Frequency
Duty Cycle
CONDITIONS
Switch OFF
MIN
MAX
450
88
78
70
13.5
12.0
0.7
0.65
1.5
UNITS
G
μ
A
kHz
%
%
μ
s
μ
s
%/V
G
50
62
50
8
6
63
69
60
11
9
0.2
0.5
1.1
Step-Up Mode
Step-Down Mode, V
IN
= 12V
Step-Up Mode
Step-Down Mode, V
IN
= 12V
2V
≤
V
IN
≤
5V
V
IN
= 3V, I
SW
= 650mA
V
IN
= 12V, I
SW
= 650mA
G
G
t
ON
Switch ON Time
G
G
Reference Line Regulation
Switch Saturation Voltage, Step-Up Mode
Switch Saturation Voltage, Step-Down Mode
G
V
SAT
G
G
V
V
LT1107M
TYP
SYMBOL
I
Q
f
OSC
DC
PARAMETER
Quiescent Current
Oscillator Frequency
Duty Cycle
CONDITIONS
Switch OFF
MIN
MAX
500
95
81
73
15
13
0.4
0.8
0.65
0.65
UNITS
G
μ
A
kHz
%
%
μ
s
μ
s
%/V
%/V
G
40
56
45
7
5
63
69
60
11
9
0.2
Step-Up Mode
Step-Down Mode, V
IN
= 12V
Step-Up Mode
Step-Down Mode, V
IN
= 12V
2V
≤
V
IN
≤
5V, 0
°
C
≤
T
A
≤
125
°
C
2.4V
≤
V
IN
≤
5V, T
A
= –55
°
C
0
°
C
≤
T
A
≤
125
°
C, I
SW
= 500mA
T
A
= –55
°
C, I
SW
= 400mA
V
IN
= 12V, I
SW
= 500mA
0
°
C
≤
T
A
≤
125
°
C
T
A
= –55
°
C
G
G
t
ON
Switch ON Time
G
G
Reference Line Regulation
V
SAT
Switch Saturation Voltage, Step-Up Mode
0.5
0.5
V
V
Switch Saturation Voltage, Step-Down Mode
1.5
2.0
V
V
V
IN
= 3V, 0
°
C
≤
T
A
≤
70
°
C, unless otherwise noted.
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
This specification guarantees that both the high and low trip points
of the comparator fall within the 1.2V to 1.3V range.
Note 2:
The output voltage waveform will exhibit a sawtooth shape due to
the comparator hysteresis. The output voltage on the fixed-output versions
will always be within the specified range.
Note 3:
100k resistor connected between a 5V source and the AO pin.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1107MJ8-12 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1107MJ8-5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1108 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1108-12 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1108-5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
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