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