LT1021
TYPICAL PERFOR A CE CHARACTERISTICS
Ripple Rejection
115
110
REJECTION (dB)
f = 150Hz
LT1021-7
120
LT1021-10
110
LT1021-7
INPUT/OUTPUT VOLTAGE (V)
REJECTION (dB)
105
100
LT1021-5
95
90
85
0
5
10
15 20 25 30
INPUT VOLTAGE (V)
Start-Up (Series Mode)
13
12
11
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
V
IN
= 0V TO 12V
10
9
8
7
6
5
4
3
0
2
4
LT1021-10
V
OUT
+ 2V
1k
V
OUT
OUT
IN
GND
NOISE VOLTAGE (nV/√Hz)
LT1021-7
LT1021-5
6
8
TIME (µs)
10
Output Voltage Noise
16
14
12
RMS NOISE (µV)
C
OUT
= 0
FILTER = 1 POLE
f
LOW
= 0.1Hz
OUTPUT CHANGE (mV)
OUTPUT VOLTAGE (V)
10
8
LT1021-7
6
4
LT1021-5
2
0
10
100
1k
BANDWIDTH (Hz)
10k
LT1021 G07
LT1021-10
U W
35
40
LT1021 G01
Ripple Rejection
130
Minimum Input/Output Differential
LT1021-7, LT1021-10
1.6
T
J
= 125
°C
T
J
= –55
°C
T
J
= 25
°C
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
V
IN
= 15V
C
OUT
= 0
100
LT1021-10
90
LT1021-5
80
70
60
50
10
100
1k
FREQUENCY (Hz)
10k
LT1021 G02
0
2
4
6 8 10 12 14 16 18 20
OUTPUT CURRENT (mA)
1021 G03
Start-Up (Shunt Mode)
LT1021-7, LT1021-10
11
LT1021-10
10
9
8
7
6
5
12
14
0V
NC
Output Voltage Noise Spectrum
400
350
300
250
200
150
100
50
0
LT1021-10
LT1021-7
LT1021-5
LT1021-7
0
2
6
4
TIME (µs)
8
10
12
10
100
1k
FREQUENCY (Hz)
10k
LT1021 G06
LT1021 G04
LT1021 G05
Output Voltage Temperature Drift
LT1021-5
5.006
5.004
5.002
5.000
4.998
4.996
4.994
– 50 –25
Load Regulation LT1021-5
5
4
3
2
1
0
–1
–2
–3
–4
V
IN
= 8V
50
0
75
25
TEMPERATURE (°C)
100
125
–5
–10 – 8 – 6 – 4 – 2
SOURCING
0
2
4 6 8
SINKING
10
LT1021 G08
OUTPUT CURRENT (mA)
LT1021 G09
5
LINER [ LINEAR TECHNOLOGY ]
