Datasheet

LT3042
6
3042fb
For more information www.linear.com/LT3042
TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Current Typical Dropout Voltage Dropout Voltage
Quiescent Current Quiescent Current in Shutdown Quiescent Current
T
J
= 25°C, unless otherwise noted.
SET Pin Current Offset Voltage (V
OUT
– V
SET
) Load Regulation
SET PIN CURRENT (µA)
101.0
99.2
100.8
100.4
100.0
99.6
100.6
100.2
99.8
99.4
99.0
OUTPUT VOLTAGE (V)
0 7.5 13.54.5 10.5
3042 G07
15
6 123 91.5
I
L
= 1mA
V
IN
= 20V
150°C
125°C
25°C
–55°C
TEMPERATURE (°C)
–75
QUIESCENT CURRENT (mA)
3.0
2.5
1.5
0.5
2.0
1.0
0
25 125–25 75
3042 G10
150
0 100–50 50
V
IN
= 2V
V
EN/UV
= V
IN
I
L
= 10µA
R
SET
= 13kΩ
OUTPUT VOLTAGE (V)
0
QUIESCENT CURRENT (mA)
3.5
2.5
2.0
3.0
1.5
0.5
1.0
0
106 14
3042 G13
16
84 122
V
IN
= 20V
V
EN/UV
= V
IN
I
L
= 10µA
150°C
125°C
25°C
–55°C
DROPOUT VOLTAGE (mV)
500
50
450
350
250
150
400
300
200
100
0
OUTPUT CURRENT (mA)
0 75 17525 125
3042 G14
200
50 150100
R
SET
= 33.2kΩ
150°C
125°C
25°C
–55°C
DROPOUT VOLTAGE (mV)
500
50
450
350
250
150
400
300
200
100
0
3042 G15
R
SET
= 33.2kΩ
I
L
= 200mA
I
L
= 150mA
I
L
= 100mA
I
L
= 1mA
TEMPERATURE (°C)
–75 25 125–25 75 1500 100–50 50
20
2
18
14
10
6
16
12
8
4
0
TEMPERATURE (°C)
–75
QUIESCENT CURRENT (µA)
25 125–25 75
3042 G11
150
0 100–50 50
V
EN/UV
= 0V
V
IN
= 2V
V
IN
= 20V
INPUT VOLTAGE (V)
0
QUIESCENT CURRENT (mA)
2.5
2.0
1.5
0.5
1.0
0
10 186 14
3042 G12
20
8 164 122
I
L
= 10µA
R
SET
= 33.2kΩ
OFFSET VOLTAGE (mV)
2.0
–1.5
1.5
0.5
0
–0.5
1.0
–1.0
–2.0
OUTPUT VOLTAGE (V)
0 7.5 13.54.5 10.5
3042 G08
15
6 123 91.5
I
L
= 1mA
V
IN
= 20V
150°C
125°C
25°C
–55°C
TEMPERATURE (°C)
–75
I
SET
LOAD REGULATION (nA)
20
2
18
14
10
6
16
12
8
4
0
V
OS
LOAD REGULATION (mV)
0.20
0.02
0.18
0.14
0.10
0.06
0.16
0.12
0.08
0.04
0
25 125–25 75
3042 G09
1500 100–50 50
V
IN
= 2.5V
∆I
L
= 1mA TO 200mA
V
OUT
= 1.3V
V
OS
I
SET
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