MAX14691 Datasheet, PDF (6/19 Pages) Maxim Integrated Products – High-Accuracy, Adjustable Power Limiter

MAX14691–MAX14693
High-Accuracy, Adjustable Power Limiter
Typical Operating Characteristics
(V_IN = 12V, C_IN = 1µF, C_OUT = 4.7µF, T_A = +25°C, unless otherwise noted.)
QUIESCENT IN CURRENT
vs. IN VOLTAGE
2.0
toc01
1.8 ^{VEN = 3V}
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
5.5
13.0 20.5 28.0 35.5 43.0 50.5 58.0
IN VOLTAGE (V)
QUIESCENT IN CURRENT
vs. TEMPERATURE
2.0
toc02
1.8 ^{VEN = 3V}
1.6
1.4
1.2
V_IN = 12V
V_IN = 24V
V_IN = 34V
1.0
0.8
0.6
0.4
0.2
0.0
-50 -25
0 25 50 75 100 125 150
TEMPERATURE (°C)
HVEN INPUT CURRENT
100 _{VEN = 3V}
vs. V_HVEN
toc03
90 V_IN = V_HVEN
80
70
60
T_A = +125°C
50
T_A = +85°C
40
30
T_A = +25°C
20 ^{TA = -40°C}
10
0
0.0
11.6 23.2 34.8 46.4 58.0
V_/HVEN\ (V)
NORMALIZED ON-RESISTANCE
vs. SUPPLY VOLTAGE
1.10
toc04
NORMALIZED TO V_IN = 12V
I_OUT = 1A
V_EN = 3V
1.05
1.00
0.95
0.90
5.5 13.0 20.5 28.0 35.5 43.0 50.5 58.0
IN VOLTAGE (V)
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
2.0
toc05
1.8
NORMALIZED TO T_A = +25°C
I_OUT = 1A
1.6
V_IN = 24V
V_EN = 3V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-50
0
50
100
150
TEMPERATURE (°C)
NORMALIZED ON-RESISTANCE
vs. OUTPUT CURRENT
2.0
toc06
NORMALIZED TO I_OUT = 1A
1.8 V_IN = 24V
1.6 ^{VEN = 3V}
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0
OUTPUT CURRENT (A)
NORMALIZED CURRENT LIMIT
vs. SUPPLY VOLTAGE
1.03
toc07
NORMALIZED TO V_IN = 12V
R_ILIM = 37.5kΩ
1.02
1.01
1.00
0.99
0.98
0.97
5.5 13.0 20.5 28.0 35.5 43.0 50.5 58.0
SUPPLY VOLTAGE (V)
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