參數(shù)資料
型號: LT3581IMSE#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PDSO16
封裝: LEAD FREE, PLASTIC, MSOP-16
文件頁數(shù): 33/36頁
文件大?。?/td> 498K
代理商: LT3581IMSE#PBF
LT3581
3581f
Typical perForMance characTerisTics
SHDN Pin Current
Internal UVLO
CLKOUT Rise Time at 1MHz
VIN OVLO
FAULT Input Voltage Threshold
with Hysteresis
Gate Current vs SS Voltage
Commanded Current Limit vs
SS Voltage
SHDN Voltage Threshold with
Hysteresis
SS VOLTAGE (V)
0
GA
TE
CURRENT
(A)
100
300
500
700
200
400
600
800
0.25
0.50
0.75
1.00
3581 G10
1.25
1.50
900
1000
SS VOLTAGE (V)
0
SW1
+
SW2
CURRENT
(A)
1
2
3
0.2
0.4
0.6
0.8
3580 G11
1.0
1.2
4
5
–50 –25
0
50
125 150
25
75 100
TEMPERATURE (°C)
1.20
SHDN
VOLTAGE
(V)
1.22
1.26
1.28
1.30
1.40
1.34
3581 G12
1.24
1.36
1.38
1.32
SHDN RISING
SHDN FALLING
SHDN VOLTAGE (V)
0
SHDN
PIN
CURRENT
(A)
4
8
12
16
20
24
28
32
0.4
1.0
1.4
0.2
1.2
0.6
1.6
0.8
1.8 2.0
3581 G13
125°C
–40°C
25°C
SHDN VOLTAGE (V)
0
SHDN
PIN
CURRENT
(A)
200
250
15
25
3581 G14
150
100
5
10
20
40
35
30
50
0
125°C
–40°C
25°C
–50 –25
0
50
125 150
25
75 100
TEMPERATURE (°C)
2.20
V IN
VOLTAGE
(V)
2.22
2.26
2.28
2.30
2.40
2.34
3581 G15
2.24
2.36
2.38
2.32
–50 –25
0
50
125 150
25
75 100
TEMPERATURE (°C)
16
V IN
VOLTAGE
(V)
18
20
30
24
3581 G17
26
28
22
–50 –25
0
50
125 150
25
75 100
TEMPERATURE (°C)
0
FAULT
VOLTAGE
(V)
1.25
0.50
3581 G18
0.75
1.00
0.25
FAULT RISING
FAULT FALLING
0
50
250
200
150
100
CLKOUT CAPACITIVE LOAD (pF)
0
CLKOUT
RISE
OR
FALL
TIME
(ns)
5
15
20
25
50
35
3581 G16
10
40
45
30
CLKOUT FALL TIME
CLKOUT RISE TIME
TA = 25°C, unless otherwise noted.
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