參數(shù)資料
型號(hào): LTC3526LEDC#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.55 A SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WCCD-2, DFN-6
文件頁(yè)數(shù): 10/16頁(yè)
文件大?。?/td> 339K
代理商: LTC3526LEDC#PBF
LTC3526L/LTC3526LB
3526lfc
Note 1:StressesbeyondthoselistedunderAbsoluteMaximumRatings
maycausepermanentdamagetothedevice.ExposuretoanyAbsolute
MaximumRatingconditionforextendedperiodsmayaffectdevice
reliabilityandlifetime.
Note 2:TheLTC3526LE/LTC3526LBEareguaranteedtomeetperformance
specificationsfrom0°Cto85°C.Specificationsover–40°Cto85°C
operatingtemperaturerangeareassuredbydesign,characterizationand
correlationwithstatisticalprocesscontrols.
Note 3:Specificationisguaranteedbydesignandnot100%testedin
production.
Note 4:Currentmeasurementsaremadewhentheoutputisnotswitching.
Note 5:ThisICincludesovertemperatureprotectionthatisintended
toprotectthedeviceduringmomentaryoverloadconditions.Junction
temperaturewillexceed125°Cwhenovertemperatureprotectionisactive.
Continuousoperationabovethespecifiedmaximumoperatingjunction
temperaturemayresultindevicedegradationorfailure.
Note 6:FailuretosoldertheexposedbacksideofthepackagetothePC
boardgroundplanewillresultinathermalresistancemuchhigherthan
102°C/W.
Efficiency vs Load Current and VIN
for VOUT = 1.8V (LTC3526L)
Efficiency vs Load Current and VIN
for VOUT = 3.3V (LTC3526L)
Efficiency vs Load Current and VIN
for VOUT = 5V (LTC3526L)
No-Load Input Current vs VIN
(LTC3526L)
Maximum Output Current vs VIN
Minimum Load Resistance
During Start-Up vs VIN
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
50
60
70
80
0.1
1
10
100
1000
3526l G01
30
20
10
0
90
100
1
10
100
0.1
0.01
1000
VIN = 1.0V
VIN = 1.2V
VIN = 1.5V
PLOSS AT VIN = 1.0V
PLOSS AT VIN = 1.2V
PLOSS AT VIN = 1.5V
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
50
60
70
80
0.1
1
10
100
1000
3526l G02
30
20
10
0
90
100
1
10
100
0.1
0.01
1000
VIN = 1.2V
VIN = 1.8V
VIN = 2.4V
VIN = 3.0V
PLOSS AT VIN = 1.2V
PLOSS AT VIN = 1.8V
PLOSS AT VIN = 2.4V
PLOSS AT VIN = 3.0V
VIN (V)
0.5
I IN
(A)
60
70
80
4.5
3526l G04
50
40
10
1.5
2.5
3.5
1.0
2.0
3.0
4.0
30
20
100
90
VOUT = 3.3V
VOUT = 5V
VOUT = 2.5V
VOUT = 1.8V
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
50
60
70
80
0.1
1
10
100
1000
3526l G03
30
20
10
0
90
100
1
10
100
0.1
0.01
1000
VIN = 1.2V
VIN = 2.4V
VIN = 3.6V
VIN = 4.2V
PLOSS AT VIN = 1.2V
PLOSS AT VIN = 2.4V
PLOSS AT VIN = 3.6V
PLOSS AT VIN = 4.2V
VIN (V)
0.5
I OUT
(mA) 200
300
4.5
3526l G05
100
0
1.5
2.5
3.5
1.0
2.0
3.0
4.0
400
150
250
50
350
VOUT = 3.3V
VOUT = 5V
VOUT = 2.5V
VOUT = 1.8V
L = 4.7H
VIN (V)
0.65
LOAD
()
100
1000
10000
1.05
0.95
0.75
1.15
0.85
3526l G06
10
VOUT = 3.3V
electricAl chArActeristics
typicAl perForMAnce chArActeristics
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