參數(shù)資料
型號: LT3579IUFD-1#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC20
封裝: 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-20
文件頁數(shù): 37/40頁
文件大?。?/td> 503K
代理商: LT3579IUFD-1#PBF
LT3579/LT3579-1
6
35791f
Typical perForMance characTerisTics
Active/Lockout Threshold
SHDN Pin Current
Internal UVLO
VIN OVLO
Fault Input Threshold
CLKOUT Rise Time at 1MHz
Gate Pin Current (VSS = 2.1V)
Gate Pin Current (VGATE = 5V)
0
50
250
200
150
100
CLKOUT CAPACITIVE LOAD (pF)
0
CLKOUT
RISE
OR
FALL
TIME
(ns)
5
15
20
25
50
35
35791 G10
10
40
45
30
CLKOUT FALL TIME
CLKOUT RISE TIME
GATE PIN VOLTAGE (V)
0
GA
TE
PIN
CURRENT
(A)
600
700
800
900
550
400
300
200
100
1000
10
40
50
60
70
80
20
35791 G11
30
TA = –40°C
TA = 25°C
TA = 125°C
0
100
200
300
400
500
600
700
800
900
1000
0
10
20
30
40
50
60
70
80
GA
TE
PIN
CURRENT
(A)
GATE PIN VOLTAGE (V)
GATE Pin Current (VSS = 2.1V)
TA = 25°C
TA = -40°C
TA = 125°C
SS VOLTAGE (V)
0
GA
TE
PIN
CURRENT
(A)
600
700
800
900
500
400
300
200
100
1000
0.25
0.75
1
1.25
1.5
35791 G12
0.5
TEMPERATURE (°C)
–50
1.2
SHDN
VOL
TAGE
(V)
1.32
1.34
1.36
1.38
1.3
1.28
1.26
1.24
1.22
1.4
–25
25
50
75 100 125 150
35791 G13
0
SHDN RISING
SHDN FALLING
SHDN VOLTAGE (V)
0
SHDN
PIN
CURRENT
(A)
20
25
15
10
5
30
0.25
0.75 1 1.25 1.5 1.75 2
35791 G14
0.5
TA = 125°C
TA = 25°C
TA = –40°C
SHDN VOLTAGE (V)
0
SHDN
PIN
CURRENT
(A)
200
150
100
50
250
5
15
20
25
30
35
40
35791 G15
10
TA = 125°C
TA = 25°C
TA = –40°C
TEMPERATURE (°C)
–50
2.1
V IN
VOL
TAGE
(V)
2.45
2.35
2.4
2.25
2.3
2.15
2.2
2.5
–25
25
50
75 100 125 150
35791 G16
0
TEMPERATURE (°C)
–50
12
V IN
VOL
TAGE
(V)
21
17
18
19
20
15
16
13
14
22
–25
25
50
75 100 125 150
35791 G17
0
TEMPERATURE (°C)
–50
0
FAUL
TVOL
TAGE
(V)
0.75
1
0.5
0.25
1.25
–25
25
50
75 100 125 150
35791 G18
0
FAULT FALLING
FAULT RISING
TA = 25°C, unless otherwise noted.
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