參數(shù)資料
型號(hào)： LT3686AHMSE#TRPBF
廠(chǎng)商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO12
封裝： LEAD FREE, PLASTIC, MSOP-12
文件頁(yè)數(shù)： 23/30頁(yè)
文件大?。?/td> 504K
代理商： LT3686AHMSE#TRPBF
LT3686A
3
3686afa
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Quiescent Current at Shutdown
VEN/UVLO < 0.4V
VEN/UVLO = 1V
0.1
10
1
15
A
Quiescent Current
Not Switching, SYNC/MODE ≤ 0.4V
Not Switching, SYNC/MODE ≥ 0.8V
1.1
1.2
1.3
1.4
mA
Internal Undervoltage Lockout
3.4
3.6
V
Overvoltage Lockout
●
37
38
39
V
Feedback Voltage
VIN = 3.6V 37V
●
0.790
0.785
0.8
0.810
0.815
V
FB Pin Bias Current
60
100
nA
Switching Frequency
IDA < 1.2A
RT = 15.4kΩ, IDA < 1.2A
0.3
1.9
2.1
2.5
2.3
MHz
Minimum On Time
SYNC/MODE > 0.8V, BD < 6V
100
110
ns
Minimum Off Time
150
200
ns
Switch VCESAT
ISW = 1.2A
680
mV
Switch Current Limit
(Note 3)
●
1.9
1.85
2.3
2.6
2.65
A
Switch Active Current
SW = 10V (Note 4)
SW = 0V (Note 5)
400
20
600
30
A
BOOST Pin Current
ISW = 1.2A
20
mA
Minimum Boost Voltage Above Switch
ISW = 1.2A
2.2
2.4
V
Max BD Pin Active Load Current
SYNC/MODE > 0.8V, BD < 6V
30
40
mA
BD Pin Voltage to Disable Active Load
●
6
6.5
7
V
DA Pin Current to Stop OSC
●
1.2
1.7
A
SYNC/MODE High
●
0.8
V
SYNC/MODE Low
●
0.4
V
SYNC/MODE Bias Current
0.2
A
SS Threshold
0.9
V
SS Source Current
VSS = 1V
1.3
2
2.7
A
EN/UVLO Bias Current
VEN/UVLO = 10V
VEN/UVLO = 0V
40
1
A
EN/UVLO Threshold to Turn Off
●
1.22
1.28
1.34
V
EN/UVLO Hysteresis Current
1.8
2.4
3
A
Boost Diode Forward Drop
IBD to IBOOST = 200mA
0.85
V
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 10V, VEN/UVLO ≥ 1.34V.
electricAl chArActeristics
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 LT3686AE is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT3686AI is guaranteed over the full –40°C to 125°C operating junction
temperature range. The LT3686AH is guaranteed over the full –40°C to
150°C operating junction temperature range. High junction temperatures
degrade operating lifetimes; operating lifetime is derated for junction
temperatures greater than 125°C. (Note 6)
Note 3: Current limit guaranteed by design and/or correlation to static test.
Slope compensation reduces current limit at higher duty cycle.
Note 4: Current flows into pin.
Note 5: Current flows out of pin.
Note 6: This IC includes overtemperature protection that is intended to protect
the device during momentary overload conditions. Junction temperature will
exceed the maximum operating junction temperature when overtemperature
protection is active. Continuous operation above the specified maximum
operating junction temperature may impair device reliability. See High
Temperature Considerations section. Also see Operation section.
Note 7: Absolute Maximum Voltage at VIN and EN/UVLO pins is 60V for
nonrepetitive one second transients, and 55V for continuous operation.
相關(guān)PDF資料
PDF描述
LT3686AHMSE#PBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO12
LT3686AIMSE#TRPBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO12
LT3686AIDD#PBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
LT3686AIDD#TRPBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
LT3686EDD#PBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10
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