lt3070 Linear Technology Corporation, lt3070 Datasheet - Page 3
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lt3070
Manufacturer Part Number
lt3070
Description
5a, Low Noise, Programmable Output, 85mv Dropout Linear Regulator
Manufacturer
Linear Technology Corporation
Datasheet
1.LT3070.pdf
(28 pages)
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electricAl chArActeristics
temperature range, otherwise specifications are at T
otherwise noted.
PARAMETER
IN Pin Voltage Range
BIAS Pin Voltage Range (Note 3)
Regulated Output Voltage
Regulated Output Voltage Margining
(Note 3)
Line Regulation to V
Line Regulation to V
Load Regulation,
∆I
Dropout Voltage,
V
SENSE Pin Current
Ground Pin Current,
V
IN
IN
OUT
= V
= 1.3V, V
= 10mA to 5A
OUT(NOMINAL)
OUT
= 1V
(Note 6)
IN
BIAS
CONDITIONS
V
V
V
V
V
V
V
V
MARGTOL = 0V, MARGSEL = V
MARGTOL = 0V, MARGSEL = 0V, I
MARGTOL = FLOAT, MARGSEL = V
MARGTOL = FLOAT, MARGSEL = 0V, I
MARGTOL = V
MARGTOL = V
V
V
V
V
V
V
V
V
V
I
I
I
V
V
I
I
OUT
OUT
OUT
OUT
OUT
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
BIAS
BIAS
BIAS
BIAS
BIAS
IN
BIAS
≥ V
= 1.1V, V
= 1A, V
= 2.5A, V
= 5A, V
= 10mA
= 5A
= 0.8V, 10mA ≤ I
= 0.9V, 10mA ≤ I
= 1V, 10mA ≤ I
= 1.1V, 10mA ≤ I
= 1.2V, 10mA ≤ I
= 1.5V, 10mA ≤ I
= 1.8V, 10mA ≤ I
= 0.8V, ∆V
= 1.8V, ∆V
= 0.8V, ∆V
= 1.8V, ∆V
= 2.5V, V
= 2.5V, V
= 3.3V, V
= 3.3V, V
= 3.3V, V
= 3.3V, V
OUT
+ 150mV, I
OUT
OUT
SENSE
OUT
BIAS
BIAS
IN
IN
IN
IN
IN
IN
= 1V
= 1V
IN
IN
BIAS
BIAS
= 1.05V, V
= 1.25V, V
= 1.45V, V
= 1.75V, V
= 2.05V, V
= 2.1V, V
= 1V
= 1.05V to 2.7V, V
= 2.05V to 2.7V, V
= 0.8V
, MARGSEL= V
, MARGSEL = 0V, I
= 2.2V to 3.6V, V
= 3.25V to 3.6V, V
A
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 25°C. C
≤ 5A, 1.25V ≤ V
= 5A
≤ 5A, 1.05V ≤ V
≤ 5A, 1.15V ≤ V
≤ 5A, 1.35V ≤ V
≤ 5A, 1.45V ≤ V
≤ 5A, 1.75V ≤ V
≤ 5A, 2.05V ≤ V
SENSE
OUT
OUT
OUT
OUT
OUT
The
= 0.8V
= 1.0V
= 1.2V
= 1.5V
= 1.8V
BIAS
= 1.8V
l
OUT
BIAS
OUT
BIAS
denotes the specifications which apply over the full operating
BIAS
BIAS
OUT
IN
= 10mA
= 15µF (Note 9), V
OUT
IN
= 1.1V, I
= 3.3V, I
= 3.3V, I
= 2.1V, I
IN
= 10mA
= 10mA
IN
IN
≤ 1.45V
IN
IN
IN
IN
≤ 1.25V
≤ 1.35V
≤ 1.55V
≤ 1.65V, V
≤ 1.95V, V
≤ 2.25V, V
OUT
OUT
OUT
OUT
= 10mA
= 10mA
= 10mA
= 10mA
BIAS
BIAS
BIAS
= 3.3V
= 3.3V
= 3.3V
IN
= V
OUT
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
+ 0.3V (Note 5), V
0.792
0.891
0.990
1.089
1.188
1.485
1.782
0.95
–1.2
–3.3
–5.4
0.65
MIN
200
2.2
0.8
2.7
4.6
0.9
35
0.800
0.900
1.000
1.100
1.200
1.500
1.800
–1.5
–2.5
1.35
TYP
300
1.1
–1
–3
–5
–2
–2
–3
20
50
85
50
1
3
5
BIAS
= 2.5V unless
LT3070
0.808
0.909
1.010
1.111
1.212
1.515
1.818
MAX
–0.8
–2.7
–4.6
–3.0
–5.5
–4.0
–7.5
–4.0
–7.5
–5.0
–9.0
–7.0
–13
120
150
400
3.0
3.6
1.2
3.3
5.4
1.0
1.0
2.0
1.0
1.8
2.3
35
65
85
65
UNITS
3070f
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
µA
µA
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V