Typical operating characteristics – Rainbow Electronics MAX8719 User Manual
Page 5
MAX8718/MAX8719
High-Voltage, Low-Power Linear Regulators for
Notebook Computers
_______________________________________________________________________________________
5
0
40.0
20.0
80.0
60.0
100.0
120.0
0
10
15
5
20
25
30
SAFE LOAD-CURRENT OPERATING AREA
vs. SUPPLY VOLTAGE
MAX8718/19 toc01
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
POWER-DISSIPATION
LIMIT REGION
0
3.0
9.0
6.0
12.0
15.0
5
15
10
20
25
30
GROUND CURRENT vs. SUPPLY VOLTAGE
AT VARIOUS LOADS
MAX8718/19 toc02
SUPPLY VOLTAGE (V)
GROUND CURRENT (mA)
150mA
110mA
70mA
30mA
10mA
5
10
15
20
25
30
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX8718/9 toc03
SUPPLY VOLTAGE (V)
15.0
15.5
16.0
16.5
17.0
17.5
18.0
18.5
19.0
SUPPLY CURRENT (
µ
A)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
0
0.4
0.2
0.8
0.6
1.4
1.2
1.0
1.6
2
10
6
14
18
22
26
30
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX8718/19 toc04
SUPPLY VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT (
µ
A)
T
A
= +25
°C
15.0
15.5
16.0
16.5
17.0
17.5
18.0
18.5
19.0
-40
-20
0
20
40
60
80
100
SUPPLY CURRENT vs. TEMPERATURE
MAX8718/9 toc05
TEMPERATURE (°C)
SUPPLY CURRENT (
µ
A)
V
IN
= 15V
0
-10
-20
-30
-40
-50
-60
-70
-80
0.01
0.1
1
10
100
RIPPLE REJECTION vs. FREQUENCY
MAX8718/19 toc06
FREQUENCY (kHz)
RIPPLE REJECTION (dB)
10mA LOAD CURRENT
LOAD-TRANSIENT RESPONSE
MAX8718/9 toc07
200
µs/div
V
OUT
100mV/div
I
OUT
100mA/div
LINE-TRANSIENT RESPONSE
MAX8718/9 toc08
100
µs/div
V
OUT
200mV/div
AC-COUPLED
V
IN
+20V
+10V
C
IN
= 10
µF, C
OUT
= 10
µF
Typical Operating Characteristics
(Circuit of Figure 1. V
IN
= 15V, V
OUT
= 3.3V, T
A
= +25°C, unless otherwise noted.)