參數(shù)資料
型號： LT3581IDE#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, PDSO14
封裝： 4 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WGED-3, DFN-14
文件頁數(shù)： 31/36頁
文件大?。?/td> 498K
代理商： LT3581IDE#TRPBF
LT3581
3581f
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3581E is guaranteed to meet performance specifications
from 0°C to 125°C. Specifications over the –40°C to 125°C junction
temperature range are assured by design, characterization and correlation
with statistical process controls.
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 5V, VSHDN = VIN, VFAULT = VIN, unless otherwise noted. (Note 2).
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Soft-Start Charge Current
VSS = 30mV, Current Flows Out of SS pin
l
5.7
8.7
11.3
A
Soft-Start Discharge Current
Part in FAULT, VSS = 2.1V, Current Flows into SS Pin
l
5.7
8.7
11.3
A
Soft-Start High Detection Voltage
Part in FAULT
l
1.65
1.8
1.95
V
Soft-Start Low Detection Voltage
Part Exiting FAULT
l
30
50
85
mV
SHDN Minimum Input Voltage High
Active Mode, SHDN Rising
Active Mode, SHDN Falling
l
1.27
1.24
1.33
1.3
1.41
1.38
V
SHDN Input Voltage Low
Shutdown Mode
l
0.3
V
SHDN Pin Bias Current
VSHDN = 3V
VSHDN = 1.3V
VSHDN = 0V
9.7
40
11.4
0
60
13.4
0.1
A
CLKOUT Output Voltage High
CCLKOUT = 50pF
1.9
2.1
2.3
V
CLKOUT Output Voltage Low
CCLKOUT = 50pF
5
200
mV
CLKOUT Duty Cycle
TJ = 25°C
42
%
CLKOUT Rise Time
CCLKOUT = 50pF
12
ns
CLKOUT Fall Time
CCLKOUT = 50pF
8
ns
GATE Pull Down Current
VGATE = 3V
VGATE = 80V
l
800
933
1100
A
GATE Leakage Current
VGATE = 50V, GATE Off
0.01
1
A
FAULT Output Voltage Low
100μA into FAULT Pin
l
150
300
mV
FAULT Leakage Current
VFAULT = 40V, FAULT Off
0.01
1
A
FAULT Input Voltage Low
l
700
750
800
mV
FAULT Input Voltage High
l
950
1000
1050
mV
Note 3: Current limit guaranteed by design and/or correlation to static test.
Note 4: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation over the specified maximum operating junction
temperature may impair device reliability.
相關(guān)PDF資料
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