參數(shù)資料
型號： LT1107IS8
英文描述： DC to DC Converter
中文描述： DC至DC轉(zhuǎn)換器
文件頁數(shù)： 3/16頁
文件大?。?/td> 206K
代理商： LT1107IS8
3
LT1107
1107fa
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
ELECTRICAL C
temperature range, V
IN
= 3V, military or commercial version, T
A
= 25
°
C, unless otherwise noted.
HARA TERISTICS
The
G
denotes the specifications which apply over the full operating temperature range, V
IN
= 3V, –55
°
C
≤
T
A
≤
125
°
C, unless
otherwise noted.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
This specification guarantees that both the high and low trip points
of the comparator fall within the 1.2V to 1.3V range.
Note 3:
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 4:
100k resistor connected between a 5V source and the AO pin.
The
G
denotes the specifications which apply over the full operating
The
G
denotes the specifications which apply over the full operating temperature range, V
IN
= 3V, 0
°
C
≤
T
A
≤
70
°
C, unless otherwise
noted.
SYMBOL
PARAMETER
Feedback Pin Bias Current
Set Pin Bias Current
Gain Block Output Low
Reference Line Regulation
Gain Block Gain
Current Limit
Current Limit Temperature Coefficient
Switch OFF Leakage Current
Maximum Excursion Below GND
CONDITIONS
LT1107, V
FB
= 0V
V
SET
= V
REF
I
SINK
= 300
μ
A, V
SET
= 1V
5V
≤
V
IN
≤
30V
R
L
= 100k (Note 4)
220
to I
LIM
to V
IN
MIN
TYP
70
70
0.15
0.02
6000
400
–0.3
1
–400
MAX
120
300
0.4
0.075
UNITS
G
nA
nA
V
G
V
OL
G
G
%/V
V/V
mA
%/
°
C
μ
A
mV
A
V
G
1000
G
Measured at SW1 Pin, V
SW1
= 12V
I
SW1
≤
10
μ
A, Switch OFF
10
V
SW2
–350
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
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參數(shù)描述
LT1107IS8#PBF 功能描述:IC REG BUCK BOOST INV ADJ 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LT1107IS8#TR 功能描述:IC REG BUCK BOOST INV ADJ 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LT1107IS8#TRPBF 功能描述:IC REG BUCK BOOST INV ADJ 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LT1107M 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 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 2V to 30V 8-Pin CDIP
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