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LT3070 Datasheet(PDF) 3 Page - Linear Technology

No. de pieza LT3070
Descripción Electrónicos  5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator
PDF  28 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
Logo LINER - Linear Technology

LT3070 Datasheet(HTML) 3 Page - Linear Technology

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LT3070

3070fa
electricAl chArActeristics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. COUT = 15µF (Note 9), VIN = VOUT + 0.3V (Note 5), VBIAS = 2.5V unless
otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPinVoltageRange
VIN≥VOUT+150mV,IOUT=5A
l
0.95
3.0
V
BIASPinVoltageRange(Note3)
l
2.2
3.6
V
RegulatedOutputVoltage
VOUT=0.8V,10mA≤IOUT≤5A,1.05V≤VIN≤1.25V
VOUT=0.9V,10mA≤IOUT≤5A,1.15V≤VIN≤1.35V
VOUT=1V,10mA≤IOUT≤5A,1.25V≤VIN≤1.45V
VOUT=1.1V,10mA≤IOUT≤5A,1.35V≤VIN≤1.55V
VOUT=1.2V,10mA≤IOUT≤5A,1.45V≤VIN≤1.65V,VBIAS=3.3V
VOUT=1.5V,10mA≤IOUT≤5A,1.75V≤VIN≤1.95V,VBIAS=3.3V
VOUT=1.8V,10mA≤IOUT≤5A,2.05V≤VIN≤2.25V,VBIAS=3.3V
l
l
l
l
l
l
l
0.792
0.891
0.990
1.089
1.188
1.485
1.782
0.800
0.900
1.000
1.100
1.200
1.500
1.800
0.808
0.909
1.010
1.111
1.212
1.515
1.818
V
V
V
V
V
V
V
RegulatedOutputVoltageMargining
(Note3)
MARGTOL=0V,MARGSEL=VBIAS
MARGTOL=0V,MARGSEL=0V,IOUT=10mA
l
l
0.8
–1.2
1
–1
1.2
–0.8
%
%
MARGTOL=FLOAT,MARGSEL=VBIAS
MARGTOL=FLOAT,MARGSEL=0V,IOUT=10mA
l
l
2.7
–3.3
3
–3
3.3
–2.7
%
%
MARGTOL=VBIAS,MARGSEL=VBIAS
MARGTOL=VBIAS,MARGSEL=0V,IOUT=10mA
l
l
4.6
–5.4
5
–5
5.4
–4.6
%
%
LineRegulationtoVIN
VOUT=0.8V,∆VIN=1.05Vto2.7V,VBIAS=3.3V,IOUT=10mA
VOUT=1.8V,∆VIN=2.05Vto2.7V,VBIAS=3.3V,IOUT=10mA
l
l
1.0
1.0
mV
mV
LineRegulationtoVBIAS
VOUT=0.8V,∆VBIAS=2.2Vto3.6V,VIN=1.1V,IOUT=10mA
VOUT=1.8V,∆VBIAS=3.25Vto3.6V,VIN=2.1V,IOUT=10mA
l
l
2.0
1.0
mV
mV
LoadRegulation,
∆IOUT=10mAto5A
VBIAS=2.5V,VIN=1.05V,VOUT=0.8V
l
–1.5
–3.0
–5.5
mV
mV
VBIAS=2.5V,VIN=1.25V,VOUT=1.0V
l
–2
–4.0
–7.5
mV
mV
VBIAS=3.3V,VIN=1.45V,VOUT=1.2V
l
–2
–4.0
–7.5
mV
mV
VBIAS=3.3V,VIN=1.75V,VOUT=1.5V
l
–2.5
–5.0
–9.0
mV
mV
VBIAS=3.3V,VIN=2.05V,VOUT=1.8V
l
–3
–7.0
–13
mV
mV
DropoutVoltage,
VIN=VOUT(NOMINAL)(Note6)
IOUT=1A,VOUT=1V
l
20
35
mV
IOUT=2.5A,VOUT=1V
l
50
65
85
mV
mV
IOUT=5A,VOUT=1V
l
85
120
150
mV
mV
SENSEPinCurrent
VIN=1.1V,VSENSE=0.8V
VBIAS=3.3V,VIN=2.1V,VSENSE=1.8V
l
l
35
200
50
300
65
400
µA
µA
GroundPinCurrent,
VIN=1.3V,VOUT=1V
IOUT=10mA
IOUT=5A
l
l
0.65
0.9
1.1
1.35
1.8
2.3
mA
mA



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