MAX14691 Datasheet, PDF (7/19 Pages) Maxim Integrated Products – High-Accuracy, Adjustable Power Limiter

MAX14691–MAX14693
High-Accuracy, Adjustable Power Limiter
Typical Operating Characteristics (continued)
(V_IN = 12V, C_IN = 1µF, C_OUT = 4.7µF, T_A = +25°C, unless otherwise noted.)
NORMALIZED CURRENT LIMIT
vs. TEMPERATURE
1.03
toc08
NORMALIZED TO T_A = +25°C
V_IN = 24V
1.02 R_ILIM = 37.5kΩ
1.01
1.00
0.99
0.98
0.97
-50 -25
0 25 50 75 100 125 150
TEMPERATURE (°C)
20
18
16
14
12
10
8
6
4
2
0
-50
SHUTDOWN IN CURRENT
vs. TEMPERATURE
toc09
V_IN = +24V
V_IN = +12V
V_IN = +34V
-25 0 25 50 75 100 125 150
TEMPERATURE (°C)
SHUTDOWN OUTPUT CURRENT
vs. TEMPERATURE
0.80
toc10
0.70
0.60
0.50
V_IN = +36V
V_IN = +24V
0.40
V_IN = +12V
0.30
0.20
0.10
0.00
-50 -25
0 25 50 75 100 125 150
TEMPERATURE (°C)
SWITCH TURN-ON TIME
vs. TEMPERATURE
200
toc11
MAX14691
180 V_IN = +24V
160
R_L = 240Ω
C_L = 4.7µF
140
120
100
80
60
40
20
0
-50 -25
0 25 50 75 100 125 150
TEMPERATURE (°C)
SWITCH TURN-OFF TIME
vs. TEMPERATURE
5.0
toc12
4.5
V_IN = +24V
R_L = 240Ω
4.0
C_L = 4.7µF
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-50 -25
0 25 50 75 100 125 150
TEMPERATURE (°C)
POWER-UP RESPONSE
toc13
V_IN
20V/div
V_OUT
20V/div
I_OUT
1A/div
200ms/div
C_L = 34mF
I_LIM = 1A
MAX14692
REVERSE-BLOCKING RESPONSE
toc14
24V
0V
V_OUT
24V
20V/div
30V
20V/div
0V _IOUT
100mA/div
400µs/div
V_RIPEN = 3V
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