MAX4081 Maxim, MAX4081 Datasheet - Page 6

• Manufacturer Part Number: MAX4081
• Description: The MAX4080/MAX4081 are high-side, current-sense amplifiers with an input voltage range that extends from 4
• Manufacturer: Maxim

25mV/div
76V, High-Side, Current-Sense Amplifiers with
Voltage Output
(V
6
OUTPUT
5mV/div
INPUT
CC
115
110
105
100
95
90
85
80
75
70
65
85
80
75
70
65
60
_______________________________________________________________________________________
= V
-50
4
SUPPLY CURRENT vs. TEMPERATURE
SMALL-SIGNAL TRANSIENT RESPONSE
V
NO LOAD
V
REF1A
RS+
SENSE
-25
16
SUPPLY CURRENT vs. V
= V
= 48V, V
= 0V
REF1B
0
TEMPERATURE (°C)
28
= 2.5V
MAX4080F
MAX4080
MAX4081
25
20µs/div
V
CC
SENSE
40
(V)
50
52
= 0V, C
75
CC
MAX4080 toc16
64
100
LOAD
125
76
= 20pF, R
100mV/div
OUTPUT
5mV/div
INPUT
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
125
120
115
110
105
100
Typical Operating Characteristics (continued)
95
90
85
0
LOAD
4
0
SMALL-SIGNAL TRANSIENT RESPONSE
V
NO LOAD
V
V
REF
SENSE
CC
0.1
= 4.5V
= 2.5V
16
= ∞, T
SUPPLY CURRENT vs. V
0.2 0.3 0.4 0.5
= 0V
T
A
V
vs. I
= +25°C
I
OUT
OUT
28
A
OUT
MAX4081
(SOURCING) (mA)
MAX4080T
HIGH VOLTAGE
= +25°C, unless otherwise noted.)
20µs/div
V
CC
T
(SOURCING)
40
A
(V)
= +85°C
T
A
0.6 0.7
= 0°C T
T
52
A
= +125°C
CC
A
0.8
64
= -40°C
MAX4080 toc17
0.9
1.0
76
300mV/div
OUTPUT
5mV/div
INPUT
300
250
200
150
100
115
110
105
100
50
95
90
85
80
75
70
65
0
-50
0
SUPPLY CURRENT vs. TEMPERATURE
SMALL-SIGNAL TRANSIENT RESPONSE
V
50
CC
-25
= 4.5V
100
T
A
V
= +25°C
vs. I
150
0
OUT
I
TEMPERATURE (°C)
OUT
T
A
200
MAX4080S
MAX4080
OUT
LOW VOLTAGE
(SINKING) (µA)
= +85°C
25
20µs/div
250
(SINKING)
T
T
50
A
A
300
= -40°C
= +125°C
350
75
T
400
A
MAX4080 toc18
100
= 0°C
450
125
500