lt3071 Linear Technology Corporation, lt3071 Datasheet - Page 6

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

LT3071
typicAl perFormAnce chArActeristics

1.818
1.814
1.810
1.806
1.802
1.798
1.794
1.790
1.786
1.782
400
350
300
250
200
150
100
2.5
2.0
1.5
1.0
0.5
50
0
0
–75
–75
0
Output Voltage (1.8V)
vs Temperature
BIAS Pin Current in Nap Mode
I
V
V
MON
V
V
V
T
I
LOAD
BIAS
EN
BIAS
OUT
IN
J
–50
–50 –25 0
= –55°C TO 125°C
– V
= 0V
= 0.8V TO 1.8V
= 2.5V
–25
vs I
= 3.3V
= 10mA
1
OUT
OUT
OUTPUT CURRENT (A)
= 300mV
TEMPERATURE (°C)
0
TEMPERATURE (°C)
2
25
25 50
50
3
75
75 100 125 150
100
4
125
5
150
3071 G10
3071 G13
3071 G52
175
175
6
1.00
0.90
0.85
0.80
0.95
3.0
2.5
2.0
1.5
1.0
0.5
10
9
8
7
6
5
4
3
2
1
0
0
–75
0
0
BIAS Pin Current vs I
PWRGD Threshold Voltage
GND Pin Current vs I
V
T
V
T
V
V
J
IN
IN
J
BIAS
OUT
–50
= 25°C
= 25°C
= V
= V
V
V
= 1V
BIAS
= 2.5V
–25
OUT
OUT
1
1
OUT
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
+ 300mV
= 1.8V
= 3.3V
+ 300mV
0
TEMPERATURE (°C)
V
V
2
OUT
25 50
2
OUT
V
V
V
OUT
OUT
OUT
FALLING
RISING
= 1.8V, V
= 1.2V, V
= 0.8V, V
75
3
3
OUT
OUT
V
V
OUT
BIAS
100
BIAS
BIAS
BIAS
= 0.8V
= 2.5V
125
4
4
= 3.3V
= 3.3V
= 2.5V
150
3071 G14
3071 G11
3071 G17
175
5
5
606
604
602
600
598
596
594
100
2.5
2.0
0.5
1.5
1.0
80
40
20
60
0
0
–75
–75
–75
REF/BYP Pin Voltage
vs Temperature
BIAS Pin Undervoltage Lockout
Threshold
PWRGD V
C
V
I
PWRGD
REF/BYP
–50 –25 0
BIAS
–50
–50
–25
= 2.5V
–25
= 200µA
= 0.01µF
V
BIAS
TEMPERATURE (°C)
0
TEMPERATURE (°C)
OL
0
TEMPERATURE (°C)
FALLING
25 50 75 100
vs Temperature
25
25
V
BIAS
50
50
RISING
75
75
100
100
125
125
125
150 175
150
150
3071 G15
3071 G12
3071 G50
3071fa
175
175