MAX6397WATA-T Maxim Integrated, MAX6397WATA-T Datasheet - Page 5

• Manufacturer Part Number: MAX6397WATA-T
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: MAX6397, MAX6398r

Specifications of MAX6397WATA-T

• Number Of Voltages Monitored: 1
• Undervoltage Threshold: 1.181 V
• Overvoltage Threshold: 1.248 V
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Supply Voltage - Max: 72 V
• Maximum Operating Temperature: + 125 C
• Package / Case: TDFN EP
• Maximum Power Dissipation: 1455 mW
• Minimum Operating Temperature: - 40 C
• Supply Current (typ): 118 uA
• Supply Voltage - Min: 5.5 V

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