MAX6397_09 Datasheet, PDF (5/18 Pages) Maxim Integrated Products – Overvoltage Protection Switch/Limiter Controllers Operate Up to 72V

Overvoltage Protection Switch/Limiter
Controllers Operate Up to 72V
Typical Operating Characteristics (continued)
(V_IN = 14V, C_REG = 4.7µF, I_REG = 0, unless otherwise noted.)
GATE-TO-OUT CLAMP VOLTAGE
vs. TEMPERATURE
17.0
16.9
16.8
16.7
16.6
16.5
16.4
16.3
16.2
16.1
16.0
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
MAXIMUM REG OUTPUT VOLTAGE
vs. LOAD CURRENT AND TEMPERATURE
5.2
T_A = -40°C
5.0
4.8
T_A = +25°C
4.6
T_A = +125°C
4.4
THERMAL
SHUTDOWN
4.2
4.0
0 40 80 120 160 200 240 280 320 360 400
LOAD CURRENT (mA)
DROPOUT VOLTAGE
vs. REG LOAD CURRENT
2.0
MAX6397L
1.8
1.6
1.4
T_A = +125°C
1.2
1.0
0.8
0.6 ^{TA = +25°C}
0.4
T_A = -40°C
0.2
0
0 20 40 60 80 100 120 140 160 180
REG LOAD CURRENT (mA)
10.500
GATE-DRIVE VOLTAGE
vs. TEMPERATURE
10.495
10.490
10.485
10.480
10.475
10.470
10.465
10.460
10.455
10.450
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
REG OUTPUT VOLTAGE
vs. LOAD CURRENT AND TEMPERATURE
5.20
MAX6397L
5.15
5.10
I_LOAD = 10mA
5.05
I_LOAD = 50mA
5.00
4.95
I_LOAD = 100mA
4.90
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
C_REG = 10µF
-10 ^{IREG = 10mA}
-20
-30
-40
-50
-60
-70
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
STARTUP WAVEFORM
(R_LOAD = 100Ω, C_IN = 10µF, C_OUT = 10µF)
MAX6397-98 toc16
V_IN
10V/div
STARTUP WAVEFORM FROM SHUTDOWN
(C_IN = 10µF, C_OUT = 10µF)
MAX6397-98 toc17
R_LOAD = 100Ω
V_SHDN
2V/div
V_GATE
10V/div
V_GATE
10V/div
4ms/div
V_OUT
10V/div
I_OUT
200mA/div
400µs/div
V_OUT
10V/div
I_OUT
200mA/div
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