lt3071 Linear Technology Corporation, lt3071 Datasheet - Page 3

• Manufacturer Part Number: lt3071
• Description: Lt3071 5a, Low Noise, Programmable Output, 85mv Dropout Linear Regulator With Analog Margining Features
• Manufacturer: Linear Technology Corporation

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
BIAS Pin Current in Nap Mode
BIAS Pin Current,
V
Current Limit (Note 5)
I
I
Reverse Output Current (Note 8)
PWRGD V
PWRGD V
MON
MON
IN
IN
IN
OUT
= V
= 1.3V, V
= 1.3V, V
Full-Scale Output Current
/I
= 10mA to 5A
OUT
OUT(NOMINAL)
Scale
OUT
OL
OUT
OUT
Threshold
= 1V
= 1V
(Note 6)
IN
BIAS
CONDITIONS
V
V
V
V
V
V
V
V
MARGA = 1.2V
MARGA = 0V
V
V
V
V
V
V
V
V
V
I
I
I
V
V
I
I
EN = Low (After POR Completed)
I
I
I
I
I
I
V
V
V
I
1A ≤ I
V
Percentage of V
Percentage of V
I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
PWRGD
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
BIAS
BIAS
BIAS
BIAS
BIAS
IN
BIAS
IN
IN
IN
IN
≥ V
= 1.1V, V
– V
– V
– V
= 0V, V
= 1A, V
= 2.5A, V
= 5A, V
= 10mA
= 5A
= 10mA
= 100mA
= 500mA
= 1A
= 2.5A
= 5A
= 5A, V
= 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
OUT
OUT
OUT
OUT
= 200µA (Fault Condition)
≤ 5A, V
+ 150mV, I
< 0.3V, V
= 1.0V, V
= 1.7V, V
OUT
OUT
OUT
IN
SENSE
OUT
– V
= 1.8V
IN
IN
IN
IN
IN
IN
= 1V
= 1V
IN
IN
BIAS
BIAS
OUT(NOMINAL)
OUT(NOMINAL)
= 1.05V, V
= 1.25V, V
= 1.45V, V
= 1.75V, V
= 2.05V, V
= 2.1V, V
= 1V
IN
= 1.05V to 2.7V, V
= 2.05V to 2.7V, V
OUT
= 0.8V
– V
= 2.2V to 3.6V, V
= 3.25V to 3.6V, V
BIAS
BIAS
BIAS
A
OUT
= 0.3V, V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 25°C. C
OUT
≤ 5A, 1.25V ≤ V
= 3.3V
= 3.3V
= 3.3V
= 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
= 0.3V, V
OUT
OUT
OUT
OUT
OUT
The
, V
, V
= 0.8V
= 1.0V
= 1.2V
= 1.5V
= 1.8V
OUT
OUT
OUT
= 1.8V
l
OUT
= 0.8V, 1.8V
Rising
Falling
denotes the specifications which apply over the full operating
BIAS
BIAS
OUT
IN
= 15µF (Note 9), V
IN
= 1.1V, I
= 0.8V, 1.8V
IN
= 3.3V, I
= 3.3V, I
= 2.1V, I
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
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
–10.5
MIN
0.95
0.65
0.75
1.25
200
120
340
2.2
9.5
0.9
2.0
2.6
3.5
4.5
5.1
3.2
1.2
1.6
35
87
82
0.800
0.900
1.000
1.100
1.200
1.500
1.800
–1.5
–2.5
1.35
1.08
TYP
10
–10
300
200
400
300
1.1
1.8
3.0
3.8
5.2
6.9
6.4
4.5
2.5
2.0
–2
–2
–3
20
50
85
50
90
85
50
BIAS
= 2.5V unless
LT3071
0.808
0.909
1.010
1.111
1.212
1.515
1.818
MAX
10.5
–9.5
–3.0
–5.5
–4.0
–7.5
–4.0
–7.5
–5.0
–9.0
–7.0
10.0
–13
120
150
400
320
460
450
150
3.0
3.6
1.0
1.0
2.0
1.0
1.8
2.3
1.5
2.4
4.0
5.0
7.0
7.7
5.8
4.3
2.4
35
65
85
65
93
88
UNITS
3071fa

µA/A
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
mA
mA
mA
mV
µA
µA
µA
µA
%
%
%
%
V
V
V
V
V
V
V
V
V
A
A
A