MAX1963_07 Datasheet, PDF (4/12 Pages) Maxim Integrated Products – Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN

Low-Input-Voltage, 300mA LDO Regulators
with RESET in SOT and TDFN
Typical Operating Characteristics (continued)
(V_IN = (V_OUT + 0.5V) or 1.8V, whichever is greater; SHDN = IN, C_IN = 1µF, C_OUT = 4.7µF, T_A = +25°C, unless otherwise noted.)
120
110
100
90
80
70
60
0.01
GROUND-PIN CURRENT
vs. LOAD CURRENT
V_OUT = +3.0V
V_OUT = +1.5V
V_OUT = +0.75V
0.1
1
10 100 1000
LOAD CURRENT (mA)
GROUND-PIN CURRENT
vs. INPUT VOLTAGE
120
I_OUT = 100mA
100
I_OUT = 300mA
80
60
I_OUT = 0mA
40
20
V_OUT = 1.5V
0
1.2 1.6 2.0 2.4 2.8 3.2 3.6
INPUT VOLTAGE (V)
GROUND-PIN CURRENT
vs. TEMPERATURE
120
110
I_OUT = 100mA
100
90
I_OUT = 300mA
80
I_OUT = 0mA
70
60
50
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
DROPOUT VOLTAGE
vs. LOAD CURRENT
120
100
80
V_OUT = +1.8V
60
V_OUT = +3.0V
40
20
0
0 50 100 150 200 250 300
LOAD CURRENT (mA)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
80
V_OUT = +0.75V
70
60 _{VOUT = +1.5V}
50
V_OUT = +3.0V
40
30
20
10
I_OUT = 10mA
0
0.1
1
10
100
1000
FREQUENCY (kHz)
LINE-TRANSIENT RESPONSE
MAX1963/76 toc09
LINE-TRANSIENT RESPONSE
NEAR DROPOUT
MAX1963/76 toc10
V_IN
3.5V
500mV/div
V_IN
1.8V
500mV/div
V_OUT
1.5V
V_OUT
1.5V
10mV/div
AC-COUPLED
10mV/div
AC-COUPLED
40μs/div
40μs/div
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