LT6106_15 Datasheet, PDF (4/12 Pages) Linear Technology – 36V Low Cost High Side Current Sense in a SOT-23

LT6106
TYPICAL PERFORMANCE CHARACTERISTICS
Gain Error vs Temperature
0
–0.05
–0.10
V⁺ = 36V
–0.15
–0.20
–0.25
V⁺ = 12V
V⁺ = 5V
–0.30
–0.35
V⁺ = 2.7V
–0.40
–0.45 _{VOUT = 1V}
–0.50 IOUT = 1mA
–0.55
R_OUT = 1k
TYPICAL UNIT
–0.60
–45 –25 –5 15 35 55 75 95 115 130
TEMPERATURE (°C)
6106 G04
Power Supply Rejection Ratio
vs Frequency
120
110
V⁺ = 12.5V
A_V = 20
100
R_IN = 100Ω
90
R_OUT = 2k
80
70
60
50
40
30
20
V_OUT = 0.5V
10
V_OUT = 1V
V_OUT = 2V
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
6106 G08
Power Supply Rejection Ratio
vs Frequency
120
110
V⁺ = 12.5V
A_V = 20
100
R_IN = 500Ω
90
R_OUT = 10k
80
70
60
50
40
30
20
V_OUT = 2.5V
10
V_OUT = 5V
V_OUT = 10V
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
6106 G06
Gain Error Distribution
24
22
V⁺ = 12.5V
V_SENSE = 500mV
20 R_IN = 500Ω
18 ^{ROUT = 10k}
11,072 UNITS
16 _{TA = 25°C}
14
12
10
8
6
4
2
0
–0.60 –0.48 –0.36 –0.24 –0.12 0
GAIN ERROR (%)
6106 G24
Gain vs Frequency
45
40
35
30
25
20
15
10
5
0
–5
–10
–15
–20
–25
–30
1k
V_OUT = 10V
V_OUT = 2.5V
V⁺ = 12.5V
A_V = 100
R_IN = 100Ω
R_OUT = 10k
10k
100k
1M
10M
FREQUENCY (Hz)
6106 G09
Gain vs Frequency
45
40
35
30
25
20
15
10
5
0
–5
–10
–15
–20
–25
–30
1k
V_OUT = 10V
V_OUT = 2.5V
V⁺ = 12.5V
A_V = 20
R_IN = 500Ω
R_OUT = 10k
10k
100k
1M
10M
FREQUENCY (Hz)
6106 G14
Input Bias Current vs Supply
Voltage
20
V_SENSE = 5mV
19 R_IN = 100Ω
18
17
16
15
14
13
12
T_A = –40°C
T_A = 25°C
11
T_A = 70°C
T_A = 125°C
10
0 5 10 15 20 25 30 35 40 45 50
SUPPLY VOLTAGE (V)
6106 G05
Step Response 0mV to 10mV
(R_IN = 100Ω)
V_SENSE
20mV/DIV
V_OUT
500mV/DIV
0V
A_V = 100
V_OUT = 0V TO 1V
RV_+OU=T1=2V10k
5μs/DIV
6106 G1
Step Response 10mV to 20mV
(R_IN = 100Ω)
V_SENSE
20mV/DIV
V_OUT
500mV/DIV
0V
A_V = 100
V_OUT = 1V TO 2V
RV_+OU=T1=2V10k
5μs/DIV
6106 G1
6106fa
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