MAX8719 Maxim Integrated Products, MAX8719 Datasheet - Page 5

• Manufacturer Part Number: MAX8719
• Description: (MAX8718 / MAX8719) High-Voltage / Low-Power Linear Regulators for Notebook Computers
• Manufacturer: Maxim Integrated Products

(Circuit of Figure 1. V
High-Voltage, Low-Power Linear Regulators for
120.0
100.0
80.0
60.0
40.0
20.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
SAFE LOAD-CURRENT OPERATING AREA
0
2
SHUTDOWN SUPPLY CURRENT
6
5
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
10
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
10
POWER-DISSIPATION
LIMIT REGION
_______________________________________________________________________________________
IN
14
= 15V, V
15
18
20
22
T
A
OUT
LOAD-TRANSIENT RESPONSE
= +25°C
25
26
= 3.3V, T
30
30
200µs/div
A
15.0
12.0
19.0
18.5
18.0
17.5
17.0
16.5
16.0
15.5
15.0
= +25°C, unless otherwise noted.)
9.0
6.0
3.0
0
-40
GROUND CURRENT vs. SUPPLY VOLTAGE
5
SUPPLY CURRENT vs. TEMPERATURE
V
MAX8718/9 toc07
IN
= 15V
-20
10
150mA
AT VARIOUS LOADS
0
SUPPLY VOLTAGE (V)
110mA
TEMPERATURE ( ° C)
V
100mV/div
I
100mA/div
OUT
70mA
OUT
30mA
15
20
40
Typical Operating Characteristics
20
Notebook Computers
60
10mA
C
25
IN
80
= 10µF, C
LINE-TRANSIENT RESPONSE
100
30
OUT
= 10µF
100µs/div
19.0
18.5
18.0
17.5
17.0
16.5
16.0
15.5
15.0
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01
SUPPLY CURRENT vs. SUPPLY VOLTAGE
5
10mA LOAD CURRENT
RIPPLE REJECTION vs. FREQUENCY
MAX8718/9 toc08
10
0.1
SUPPLY VOLTAGE (V)
FREQUENCY (kHz)
V
200mV/div
AC-COUPLED
+20V
V
+10V
15
T
T
T
OUT
IN
A
A
A
= +85 ° C
= +25 ° C
= -40 ° C
1
20
10
25
30
100
5