Datasheet

LT3070
3
3070fb
For more information www.linear.com/LT3070
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. C
OUT
= 15µF (Note 9), V
IN
= V
OUT
+ 0.3V (Note 5), V
BIAS
= 2.5V unless
otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
IN Pin Voltage Range V
IN
≥ V
OUT
+ 150mV, I
OUT
= 5A
l
0.95 3.0 V
BIAS Pin Voltage Range (Note 3)
l
2.2 3.6 V
Regulated Output Voltage V
OUT
= 0.8V, 10mA ≤ I
OUT
≤ 5A, 1.05V ≤ V
IN
≤ 1.25V
V
OUT
= 0.9V, 10mA ≤ I
OUT
≤ 5A, 1.15V ≤ V
IN
≤ 1.35V
V
OUT
= 1V, 10mA ≤ I
OUT
≤ 5A, 1.25V ≤ V
IN
≤ 1.45V
V
OUT
= 1.1V, 10mA ≤ I
OUT
≤ 5A, 1.35V ≤ V
IN
≤ 1.55V
V
OUT
= 1.2V, 10mA ≤ I
OUT
≤ 5A, 1.45V ≤ V
IN
≤ 1.65V, V
BIAS
= 3.3V
V
OUT
= 1.5V, 10mA ≤ I
OUT
≤ 5A, 1.75V ≤ V
IN
≤ 1.95V, V
BIAS
= 3.3V
V
OUT
= 1.8V, 10mA ≤ I
OUT
≤ 5A, 2.05V ≤ V
IN
≤ 2.25V, V
BIAS
= 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
Regulated Output Voltage Margining
(Note 3)
MARGTOL = 0V, MARGSEL = V
BIAS
MARGTOL = 0V, MARGSEL = 0V, I
OUT
= 10mA
l
l
0.8
–1.2
1
–1
1.2
–0.8
%
%
MARGTOL = FLOAT, MARGSEL = V
BIAS
MARGTOL = FLOAT, MARGSEL = 0V, I
OUT
= 10mA
l
l
2.7
–3.3
3
–3
3.3
–2.7
%
%
MARGTOL = V
BIAS
, MARGSEL= V
BIAS
MARGTOL = V
BIAS
, MARGSEL = 0V, I
OUT
= 10mA
l
l
4.6
–5.4
5
–5
5.4
–4.6
%
%
Line Regulation to V
IN
V
OUT
= 0.8V, ∆V
IN
= 1.05V to 2.7V, V
BIAS
= 3.3V, I
OUT
= 10mA
V
OUT
= 1.8V, ∆V
IN
= 2.05V to 2.7V, V
BIAS
= 3.3V, I
OUT
= 10mA
l
l
1.0
1.0
mV
mV
Line Regulation to V
BIAS
V
OUT
= 0.8V, ∆V
BIAS
= 2.2V to 3.6V, V
IN
= 1.1V, I
OUT
= 10mA
V
OUT
= 1.8V, ∆V
BIAS
= 3.25V to 3.6V, V
IN
= 2.1V, I
OUT
= 10mA
l
l
2.0
1.0
mV
mV
Load Regulation,
∆I
OUT
= 10mA to 5A
V
BIAS
= 2.5V, V
IN
= 1.05V, V
OUT
= 0.8V
l
–1.5 –3.0
–5.5
mV
mV
V
BIAS
= 2.5V, V
IN
= 1.25V, V
OUT
= 1.0V
l
–2 –4.0
–7.5
mV
mV
V
BIAS
= 3.3V, V
IN
= 1.45V, V
OUT
= 1.2V
l
–2 –4.0
–7.5
mV
mV
V
BIAS
= 3.3V, V
IN
= 1.75V, V
OUT
= 1.5V
l
–2.5 –5.0
–9.0
mV
mV
V
BIAS
= 3.3V, V
IN
= 2.05V, V
OUT
= 1.8V
l
–3 –7.0
–13
mV
mV
Dropout Voltage,
V
IN
= V
OUT(NOMINAL)
(Note 6)
I
OUT
= 1A, V
OUT
= 1V
l
20 35 mV
I
OUT
= 2.5A, V
OUT
= 1V
l
50 65
85
mV
mV
I
OUT
= 5A, V
OUT
= 1V
l
85 120
150
mV
mV
SENSE Pin Current V
IN
= 1.1V, V
SENSE
= 0.8V
V
BIAS
= 3.3V, V
IN
= 2.1V, V
SENSE
= 1.8V
l
l
35
200
50
300
65
400
µA
µA
Ground Pin Current,
V
IN
= 1.3V, V
OUT
= 1V
I
OUT
= 10mA
I
OUT
= 5A
l
l
0.65
0.9
1.1
1.35
1.8
2.3
mA
mA