參數(shù)資料
型號： LT3757MPMSE#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10
封裝： 3 X 3 MM, LEAD FREE, PLASTIC, MSOP-10
文件頁數(shù)： 33/36頁
文件大?。?/td> 436K
代理商： LT3757MPMSE#TRPBF
LT3757
6
3757fc
Typical perForMance characTerisTics
INTVCC Line Regulation
INTVCC Dropout Voltage
vs Current, Temperature
Gate Drive Rise
and Fall Time vs INTVCC
Typical Start-Up Waveforms
INTVCC vs Temperature
INTVCC Minimum Output Current
vs VIN
INTVCC Load Regulation
TA = 25°C, unless otherwise noted.
Gate Drive Rise
and Fall Time vs CL
FBX Frequency Foldback
Waveforms During Overcurrent
–75 –50
0
50 75
–25
25
100
150
125
TEMPERATURE (°C)
7.0
INTV
CC
(V)
7.1
7.2
7.3
7.4
3757 G13
VIN (V)
0
INT
V CC
VOL
TAGE
(V)
35
7.25
7.20
10
20
5
15
25
30
40
7.15
7.10
7.30
3757 G16
CL (nF)
0
TIME
(ns)
60
70
80
50
40
5
15
10
20
25
30
10
0
30
90
20
3757 G18
RISE TIME
INTVCC = 7.2V
FALL TIME
INTVCC (V)
3
TIME
(ns)
20
25
15
10
9
6
12
15
5
0
30
3757 G19
CL = 3300pF
RISE TIME
FALL TIME
2ms/DIV
VOUT
5V/DIV
IL1A + IL1B
5A/DIV
3757 G20
VIN = 12V
PAGE 31 CIRCUIT
50s/DIV
PAGE 31 CIRCUIT
VOUT
10V/DIV
VSW
20V/DIV
IL1A + IL1B
5A/DIV
3757 G21
VIN = 12V
INTVCC LOAD (mA)
0
6.8
7
7.1
7.2
7.3
20
40
50
60
6.9
10
30
70
3757 G15
INTV
CC
VOLTAGE
(V)
VIN = 8V
INTVCC LOAD (mA)
0
DROPOUT
VOL
TAGE
(mV)
500
600
300
400
200
10
5
15
20
100
0
700
3757 G17
150°C
125°C
25°C
0°C
–55°C
75°C
VIN = 6V
VIN (V)
0
INTV
CC
CURRENT
(mA)
50
60
70
40
3757 G14
40
30
0
10
20
30
5
15
25
35
20
90
80
TJ = 150°C
INTVCC = 6V
INTVCC = 4.5V
相關(guān)PDF資料
PDF描述
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