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LT3085MPMS8E#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
LT3085
4
3085fb
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–50
SET PIN CURRENT (μA)
10.00
10.10
150
3085 G01
9.90
9.80
0
50
100
–25
25
75
125
10.20
9.95
10.05
9.85
10.15
SET PIN CURRENT DISTRIBUTION (μA)
10.20
3085 G02
9.90
10.00
10.10
9.80
N = 1676
TEMPERATURE (°C)
–50
OFFSET VOLTAGE (mV)
0
1.0
150
3085 G03
–1.0
–2.0
0
50
100
–25
25
75
125
2.0
–0.5
0.5
–1.5
1.5
V
OS
DISTRIBUTION (mV)
2
3085 G04
–1
0
1
–2
N = 1676
INPUT-TO-OUTPUT VOLTAGE (V)
0
OFFSET VOLTAGE (mV)
–0.25
0
0.25
18
30
3085 G05
–0.50
–0.75
–1.00
612 24
0.50
0.75
1.00
36
I
LOAD
= 1mA
LOAD CURRENT (mA)
0
OFFSET VOLTAGE (mV)
–1.00
–0.75
–0.50
250 300 450
3085 G06
–1.25
–1.50
–1.75
50 100 150 200 350 400
–0.25
0
0.25
500
T
J
= 25°C
T
J
= 125°C
TEMPERATURE (°C)
–50
CHANGE IN OFFSET VOLTAGE WITH LOAD (mV)
CHANGE IN REFERENCE CURRENT
WITH LOAD (nA)
150
3085 G07
0
50
100
–25
25
75
125
020
CHANGE IN REFERENCE CURRENT
CHANGE IN OFFSET VOLTAGE
(V
OUT
– V
SET
)
–0.4
–0.2
–0.6
–0.8
–0.5
–0.3
–0.7
–0.1
–20
0
–40
–60
–30
–10
–50
10
ΔI
LOAD
= 1mA TO 500mA
V
IN
– V
OUT
= 2V
TEMPERATURE (°C)
–50
MINIMUM LOAD CURRENT (mA)
0.4
0.6
150
3085 G08
0.2
0
0
50
100
–25
25
75
125
0.8
0.3
0.5
0.1
0.7
V
IN, CONTROL
– V
OUT
= 36V
V
IN, CONTROL
– V
OUT
= 1.5V
LOAD CURRENT (mA)
0
MINIMUM IN VOLTAGE (V
IN
– V
OUT
) (mV)
150
200
250
3085 G09
100
50
0
300
350
400
0 250 300 45050 100 150 200 350 400 500
T
J
= 125°C
T
J
= 25°C
Set Pin Current Set Pin Current Distribution Offset Voltage (V
OUT
– V
SET
)
Offset Voltage Distribution Offset Voltage Offset Voltage
Load Regulation
Minimum Load Current
Dropout Voltage
(Minimum IN Voltage)
LT3085
5
3085fb
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–50
MINIMUM IN VOLTAGE (V
IN
– V
OUT
) (mV)
200
300
150
3085 G10
100
0
0
50
100
–25
25
75
125
400
150
250
50
350
I
LOAD
= 500mA
I
LOAD
= 100mA
LOAD CURRENT (mA)
0
MINIMUM CONTROL VOLTAGE
(V
CONTROL
– V
OUT
) (V)
0.6
0.8
1.0
3085 G11
0.4
0.2
0
1.2
1.4
1.6
250 300 45050 100 150 200 350 400 500
T
J
= 125°C
T
J
= 25°C
T
J
= –50°C
TEMPERATURE (°C)
–50
MINIMUM CONTROL VOLTAGE
(V
CONTROL
– V
OUT
) (V)
0.8
1.2
150
3085 G12
0.4
0
0
50
100
–25
25
75
125
1.6
0.6
1.0
0.2
1.4
I
LOAD
= 500mA
I
LOAD
= 100mA
TEMPERATURE (°C)
–50
CURRENT LIMIT (mA)
300
500
150
3085 G13
0
0
50
100
–25
25
75
125
700
200
400
100
600
V
IN
= 7V
V
OUT
= 0V
INPUT-TO-OUTPUT DIFFERENTIAL (V)
0
CURRENT LIMIT (mA)
300
400
500
20 30
3085 G14
200
100
0
51015 25
600
700
35 40
T
J
= 25°C
TIME (μs)
0
OUTPUT VOLTAGE
DEVIATION (mV)
LOAD CURRENT
(mA)
–20
60
160
3085 G15
200
–40
0
40
20
100
0
4020
8060
120 140 180
100
200
V
OUT
= 1.5V
C
SET
= 0.1μF
V
IN
= V
CONTROL
= 3V
C
OUT
= 10μF CERAMIC
C
OUT
= 2.2μF CERAMIC
TIME (μs)
0
–50
50
150
80
3085 G16
–100
0
100
500
250
0
2010
4030
60 70 90
50
100
V
IN
= V
CONTROL
= 3V
V
OUT
= 1.5V
C
SET
= 0.1μF
OUTPUT VOLTAGE
DEVIATION (mV)
LOAD CURRENT
(mA)
C
OUT
= 10μF CERAMIC
C
OUT
= 2.2μF CERAMIC
TIME (μs)
0
IN/CONTROL
VOLTAGE (V)
OUTPUT VOLTAGE
DEVIATION (mV)
–50
100
80
3085 G17
6
4
–100
0
50
0
2
2010
4030
60 70 90
50
100
V
OUT
= 1.5V
I
LOAD
= 10mA
C
OUT
= 2.2μF
CERAMIC
C
SET
= 0.1μF
CERAMIC
TIME (μs)
0
IN/CONTROL
VOLTAGE (V)
OUTPUT VOLTAGE (V)
0
1.5
16
3085 G18
6
4
8
0.5
1
0
2
42
86
12 14 18
10
20
C
OUT
= 2.2μF
CERAMIC
R
SET
= 100k
C
SET
= 0
R
LOAD
= 2Ω
Dropout Voltage
(Minimum IN Voltage)
Dropout Voltage (Minimum
V
CONTROL
Pin Voltage)
Dropout Voltage (Minimum
V
CONTROL
Pin Voltage)
Current Limit Current Limit
Load Transient Response
Load Transient Response Line Transient Response Turn-On Response
LT3085
6
3085fb
TYPICAL PERFORMANCE CHARACTERISTICS
INPUT-TO-OUTPUT DIFFERENTIAL (V)
0
0
CONTROL PIN CURRENT (mA)
2
4
6
8
16
14
12
10
20
6
12 18 24
3085 G19
30 36
18
I
LOAD
= 1mA
I
LOAD
= 500mA
DEVICE IN
CURRENT LIMIT
LOAD CURRENT (A)
0 0.1 0.2
CONTROL PIN CURRENT (mA)
8
7
6
5
4
3
2
1
0
3085 G20
0.50.3 0.4
T
J
= –50°C
T
J
= 25°C
T
J
= 125°C
V
IN
= V
CONTROL
= 2V
V
IN
= V
OUT
= 1V
R
TEST
(Ω)
0
OUTPUT VOLTAGE (mV)
800
700
600
500
400
300
200
100
0
3085 G21
2k1k
V
IN
= 10V
SET PIN = 0V
V
IN
V
OUT
R
TEST
V
IN
= 20V
V
IN
= 5V
FREQUENCY (Hz)
0
RIPPLE REJECTION (dB)
40
100
10k 100k10010 1k 1M
3085 G22
20
60
80
30
90
10
50
70
V
IN
= V
CONTROL
= V
OUT (NOMINAL)
+2V
RIPPLE = 50mV
P–P
C
OUT
= 2.2μF CERAMIC
C
SET
= 0.1μF CERAMIC
I
LOAD
= 100mA
I
LOAD
= 500mA
FREQUENCY (Hz)
0
RIPPLE REJE
C
TI
O
N (dB)
40
100
10k 100k10010 1k 1
M
3085
G
23
20
60
80
30
90
10
50
70
V
IN
= V
OUT (NOMINAL)
+ 1V
V
CONTROL
= V
OUT (NOMINAL)
+2V
RIPPLE = 50mV
P–P
C
OUT
= 2.2μF CERAMIC
C
SET
= 0.1μF CERAMIC
I
LOAD
= 100mA
I
LOAD
= 500mA
FREQUENCY (Hz)
10
0
RIPPLE REJECTION (dB)
10
30
40
50
100
70
100 10k
3085 G24
20
80
90
60
1k 100k 1M
V
IN
= V
CONTROL
+2V
V
CONTROL
= V
OUT (NOMINAL)
+2V
RIPPLE = 50mV
P–P
C
OUT
= 2.2μF CERAMIC
C
SET
= 0.1μF CERAMIC
I
LOAD
= 100mA
I
LOAD
= 500mA
V
CONTROL
Pin Current
V
CONTROL
Pin Current
Residual Output Voltage with
Less Than Minimum Load
Ripple Rejection - Single Supply
Ripple Rejection - Dual Supply
- V
CONTROL
Pin
Ripple Rejection - Dual Supply
- IN Pin
FREQUENCY (Hz)
1
ERROR AMPLIFIER NOISE
SPECTRAL DENSITY (nV/√Hz)
REFERENCE CURRENT NOISE
SPECTRAL DENSITY (pA/ √Hz)
10k
10k 100k10010 1k
3085 G26
100
10
1k
0.1
1k
10
1.0
100
Noise Spectral Density
V
OUT
100μV/DIV
TIME 1ms/DIV
3085 G27
V
OUT
= 1V
R
SET
= 100k
C
SET
= O.1μF
C
OUT
= 10μF
I
LOAD
= 0.5A
Output Voltage Noise
FREQUENCY (Hz)
77
78
RIPPLE REJECTION (dB)
85
84
100 125 1500–50 –25 25 50 75
3085 G25
81
82
80
79
83
SINGLE SUPPLY OPERATION
V
IN
= V
OUT (NOMINAL)
+2V
RIPPLE = 50mV
P–P
, f = 120Hz
I
LOAD
= 0.1A
C
OUT
= 2.2μF, C
SET
= 0.1μF
Ripple Rejection (120Hz)
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LT3085MPMS8E#PBF

Mfr. #:
Buy LT3085MPMS8E#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
LDO Voltage Regulators Adjustable 500mA Single Resistor Low Dropout Regulator
Lifecycle:
New from this manufacturer.
Delivery:
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