參數(shù)資料
型號(hào)： LT3493EDCB-3#TR
廠(chǎng)商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 2.2 A SWITCHING REGULATOR, 815 kHz SWITCHING FREQ-MAX, PDSO6
封裝： 2 X 3 MM, PLASTIC, MO-229, DFN-6
文件頁(yè)數(shù)： 14/20頁(yè)
文件大?。?/td> 401K
代理商： LT3493EDCB-3#TR
3
LT3493-3
3493-3f
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switch Current Limit
(Note 3)
1.4
1.75
2.2
A
Switch VCESAT
ISW = 1A
330
mV
Switch Leakage Current
2
A
Minimum Boost Voltage Above Switch
ISW = 1A
1.85
2.2
V
BOOST Pin Current
ISW = 1A
30
50
mA
SHDN Input Voltage High
2.3
V
SHDN Input Voltage Low
0.3
V
SHDN Bias Current
VSHDN = 2.3V (Note 5)
6
15
A
VSHDN = 0V
0.01
0.1
A
The
● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2)
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 LT3493E-3 is guaranteed to meet performance specifications
from 0
°C to 85°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
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 out of pin.
Note 5: Current flows into pin.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TA = 25°C unless otherwise noted.
Efficiency (VOUT = 3.3V, L = 10H)
LOAD CURRENT (A)
0
50
EFFICIENCY
(%)
55
65
70
75
0.8
1.0
3493-3 G02
60
0.2
0.4
0.6
1.2
80
85
90
VIN = 8V
VIN = 12V
VIN = 24V
Efficiency (VOUT = 5V, L = 10H)
LOAD CURRENT (A)
0
50
EFFICIENCY
(%)
55
65
70
75
0.8
1.0
95
3493-3 G01
60
0.2
0.4
0.6
1.2
80
85
90
VIN = 8V
VIN = 12V
VIN = 24V
相關(guān)PDF資料
PDF描述
LT3494EDDB#PBF 0.25 A SWITCHING REGULATOR, PDSO8
LT3494EDDB 0.25 A SWITCHING REGULATOR, PDSO8
LT3502AEDC#PBF 1.1 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO8
LT3502AIDC#PBF 1.1 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO8
LT3502AIDC#TR 1.1 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO10
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