參數(shù)資料
型號: LT1871EMS-7#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 28/32頁
文件大小: 461K
代理商: LT1871EMS-7#TR
LTC1871-7
5
18717fc
TYPICAL PERFORMANCE CHARACTERISTICS
Shutdown Mode IQ vs VIN
Shutdown Mode IQ vs Temperature
Burst Mode IQ vs VIN
Burst Mode IQ vs Temperature
Dynamic IQ vs Frequency
Gate Drive Rise and
Fall Time vs CL
RUN Thresholds vs VIN
RUN Thresholds vs Temperature
RT vs Frequency
VIN (V)
0
SHUTDOWN
MODE
I
Q
(μA)
10
20
10
20
30
40
18717 G04
30
TEMPERATURE (°C)
–50
0
SHUTDOWN
MODE
I
Q
(μA)
5
10
15
20
–25
0
25
50
18717 G05
75
100 125 150
VIN = 8V
VIN (V)
0
Burst
Mode
I
Q
(μA)
100
200
300
400
600
10
20
18717 G06
30
40
500
TEMPERATURE (°C)
–50
0
Burst
Mode
I
Q
(μA)
200
500
0
50
75
18717 G07
100
400
300
–25
25
100 125
150
FREQUENCY (kHz)
0
I Q
(mA)
2
6
8
10
800
18
18717 G08
4
400
1200
600
200
1000
12
14
16
CL = 3300pF
IQ(TOT) = 600μA + Qg f
CL (pF)
0
TIME
(ns)
10
20
30
40
60
2000
4000
6000
8000
18717 G09
10000 12000
50
RISE TIME
FALL TIME
VIN (V)
0
1.2
RUN
THRESHOLDS
(V)
1.3
1.4
10
20
30
40
18717 G10
1.5
TEMPERATURE (°C)
–50
RUN
THRESHOLDS
(V)
1.30
1.35
150
18717 G11
1.25
1.20
0
50
100
–25
25
75
125
1.40
FREQUENCY (kHz)
100
R
T(kΩ)
300
1000
18717 G12
10
100
200
1000
900
800
700
600
500
400
0
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