Datasheet

MAX4007/MAX4008
High-Accuracy, 76V, High-Side
Current Monitors in SOT23
_______________________________________________________________________________________ 5
0V
0V
CH2
CH1
STARTUP DELAY
(V
BIAS
= 5V, I
REF
= 250nA)
MAX4007/8 toc10
40ms/div
R
REF
= 16.8mΩ
R1 = 118mΩ
R
TEST
= 1.67mΩ
CH1: 2V/div
CH2: 10V/div
V
BIAS
R
TEST
R
REF
BIAS
CH2
13pF
CH1
R1
D.U.T.
REF OUT
0V
0V
CH2
CH1
STARTUP DELAY
(V
BIAS
= 5V, I
REF
= 2.5mA)
MAX4007/8 toc11
4ms/div
R
REF
= 1.68kΩ
R1 = 0Ω
R
TEST
= 14.0kΩ
CH1: 2V/div
CH2: 1V/div
V
BIAS
R
TEST
R
REF
BIAS
CH2
13pF
CH1
R1
D.U.T.
REF OUT
CH1
0A
20ms/div
SHORT-CIRCUIT RESPONSE
(V
BIAS
= 40V)
MAX4007/8 toc12
CH1: I
BIAS
, 10.0mA/div
A: REF SHORTS TO GND
B: CURRENT LIMIT ACTIVE
C: THERMAL SHUTDOWN
D: POST COOL-DOWN RETRY
B
D
C
A
T
A
= +85°C
CH1
0A
40ms/div
SHORT-CIRCUIT RESPONSE
(V
BIAS
= 76V)
MAX4007/8 toc13
CH1: I
BIAS
, 10.0mA/div
A: REF SHORTS TO GND
B: CURRENT LIMIT ACTIVE
C: THERMAL SHUTDOWN
D: POST COOL-DOWN RETRY
B
D
C
A
T
A
= +85°C
VOLTAGE DROP
vs. REFERENCE CURRENT
MAX4007/08 toc14
REFERENCE CURRENT (A)
1μ 10μ 100μ 1m 10m100n
V
BIAS
- V
REF
(V)
0
0.20
0.40
0.60
0.80
1.00
1.20
1.40
V
BIAS
= 2.7V
A: T
A
= -40°C
B: T
A
= +25°C
C: T
A
= +85°C
D: T
A
= +100°C
A
B
C
D
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)