65V, Low-Quiescent-Current, High-Voltage Linear
Regulators with 碌P Reset and Watchdog Timer
MAX5023/MAX5024
Typical Operating Characteristics
(V
IN
= +14V, C
IN
= 10碌F, C
OUT
= 15碌F, V
EN
= +2.4V, V
OUT
= +5V, SET = GND, T
A
= +25擄C, unless otherwise specified.)
OUTPUT VOLTAGE
vs. INPUT VOLTAGE
MAX5023 toc01
NO-LOAD GROUND CURRENT
vs. TEMPERATURE
MAX5023 toc02
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX5023 toc03
5.5
5.0
4.5
4.0
3.0
2.5
2.0
1.5
1.0
0.5
0
I
OUT
= 0mA
3.5
V
OUT
(V)
100
90
80
70
I
GND
(碌A(chǔ))
60
50
40
30
20
10
0
V
IN
= +6.5V
V
IN
= +65V
20
17
I
SHDN
(碌A(chǔ))
V
IN
= +14V
14
11
8
5
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (擄C)
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (擄C)
0 5 10 15 20 25 30 35 40 45 50 55 60 65
V
IN
(V)
OUTPUT VOLTAGE
vs. TEMPERATURE
MAX5023 toc04
GROUND CURRENT
vs. TEMPERATURE
MAX5023 toc05
OUTPUT VOLTAGE
vs. LOAD CURRENT AND TEMPERATURE
5.4
5.3
5.2
V
OUT
(V)
5.1
5.0
4.9
I
LOAD
= 100mA
I
LOAD
= 150mA
I
LOAD
= 50mA
MAX5023 toc06
5.25
5.20
5.15
5.10
2.25
2.00
1.75
1.50
I
GND
(mA)
1.25
1.00
0.75
0.50
0.25
I
LOAD
= 100mA
I
LOAD
= 150mA
5.5
V
OUT
(V)
5.05
5.00
4.95
4.90
4.85
4.80
4.75
TEMPERATURE (擄C)
I
OUT
= 1mA
-40 -25 -10 5 20 35 50 65 80 95 110 125
4.8
4.7
I
LOAD
= 50mA
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (擄C)
4.6
4.5
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (擄C)
0
DROPOUT VOLTAGE
vs. LOAD CURRENT
1.35
1.20
DROPOUT VOLTAGE (V)
1.05
0.90
0.75
0.60
0.45
0.30
0.15
0
10
30
50
70
90
110
130
150
I
LOAD
(mA)
V
OUT
= 5V
-70
-80
0.1
PSRR (dB)
-30
-40
-50
-60
MAX5023 toc07
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-10
-20
MAX5023 toc08
LOAD-TRANSIENT RESPONSE
MAX5023 toc09
1.50
0
V
OUT
100mV/div
I
OUT
100mA/div
C
OUT
= 15碌F
I
OUT
= 10mA
1
10
FREQUENCY (kHz)
100
1000
200碌s/div
4
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