MAX1615 Datasheet, PDF (4/8 Pages) Maxim Integrated Products – High-Voltage, Low-Power Linear Regulators for Notebook Computers

High-Voltage, Low-Power Linear Regulators
for Notebook Computers
____________________________Typical Operating Characteristics (continued)
(V_OUT set to 5V, T_A = +25°C, unless otherwise noted.)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
4
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
8 12 16 20 24 28
SUPPLY VOLTAGE (V)
RIPPLE REJECTION vs. FREQUENCY
-70
-60
-50
-40
-30
-20
-10
I_LOAD = 10mA
0
0.01
0.1
1
10
100
FREQUENCY (kHz)
TIME TO EXIT SHUTDOWN
MAX1615-06
+5V
SHDN
0V
C_IN
10µF
LINE-TRANSIENT RESPONSE
MAX1615-07
+20V
V_IN
+10V
V_IN = 10V
500µs/div
+5V
C_OUT
OUT 4.7µF
0V
50µs/div
V_OUT
50mV/div
LOAD-TRANSIENT RESPONSE
MAX1615-08
100µs/div
V_OUT
50mV/div
I_OUT
30mA/div
DROPOUT SUPPLY CURRENT
vs. SUPPLY VOLTAGE
90
T_A = +85°C
80
70
60 ^TA ^{= +25°C}
50 T_A = 0°C
40
30 ^{TA = -40°C}
20
10
0
4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 5.8 6.0
SUPPLY VOLTAGE (V)
DROPOUT VOLTAGE
vs. LOAD CURRENT
0.30
0.25
0.20
0.15
0.10
0.05
0
0
5 10 15 20 25 30 35 40
LOAD CURRENT (mA)
4 _______________________________________________________________________________________