lt3070 Linear Technology Corporation, lt3070 Datasheet - Page 7

• Manufacturer Part Number: lt3070
• Description: 5a, Low Noise, Programmable Output, 85mv Dropout Linear Regulator
• Manufacturer: Linear Technology Corporation

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
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
0
0
–75
–75
–75
Output Voltage (1.8V)
vs Temperature
BIAS Pin Current in Nap Mode
EN Pin Thresholds
V
V
V
I
OUT
BIAS
BIAS
EN
–50 –25 0
–50
–50
= 0V
= 10mA
= 2.5V
= 2.5V
–25
–25
TEMPERATURE (°C)
EN PIN FALLING
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
EN PIN RISING
25 50
25
25
50
50
75 100 125 150
75
75 100
100
125
125
150
150
3070 G10
3070 G16
3070 G13
175
175
175
1.00
0.95
0.90
0.85
0.80
3.0
2.5
2.0
1.5
1.0
0.5
10
0
9
8
7
6
5
4
3
2
1
0
–75
0
0
BIAS Pin Current vs I
PWRGD Threshold Voltage
GND Pin Current vs I
V
V
V
V
IN
IN
BIAS
OUT
–50
= V
= V
V
V
= 1V
= 2.5V
–25
BIAS
1
OUT
OUT
OUT
1
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
+ 300mV
+ 300mV
= 1.8V
= 3.3V
0
TEMPERATURE (°C)
V
V
25 50
2
OUT
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
100
OUT
BIAS
BIAS
BIAS
BIAS
= 0.8V
125
= 2.5V
4
4
= 3.3V
= 3.3V
= 2.5V
150
3070 G11
3070 G14
3070 G17
175
5
5
606
604
602
600
598
596
594
100
0.5
2.5
2.0
1.5
1.0
80
60
40
20
0
0
–75
–75
–75
BIAS Pin Undervoltage Lockout
Threshold
PWRGD V
REF/BYP Pin Voltage
vs Temperature
C
V
I
PWRGD
REF/BYP
–50 –25 0
BIAS
–50
–50
–25
= 2.5V
–25
= 200µA
= 0.01µF
V
BIAS
TEMPERATURE (°C)
OL
0
TEMPERATURE (°C)
TEMPERATURE (°C)
0
FALLING
vs Temperature
25
25 50 75 100
25
V
BIAS
50
50
RISING
75
LT3070
75
100
100
125
125
125
150
150 175
3070 G12
3070 G15
3070 G50

3070f
175
150