MAX1658 Datasheet, PDF (4/12 Pages) Maxim Integrated Products – 350mA, 16.5V Input, Low-Dropout Linear Regulators

350mA, 16.5V Input,
Low-Dropout Linear Regulators
____________________________Typical Operating Characteristics (continued)
(V_IN = 5V (MAX1658), V_IN = 6V (MAX1659); SHDN = IN; SET = GND; C_IN = 0.1µF; C_OUT = 10µF tantalum; T_A = +25°C; unless
otherwise noted.)
NORMALIZED OUTPUT VOLTAGE
vs. LOAD CURRENT
1.000
0.998
0.996
5V OUTPUT
0.994
0.992
3.3V OUTPUT
MAX1658
SUPPLY CURRENT vs. INPUT VOLTAGE
80
140
V_OUT = 3.3V
120
60
100
I_L = 100mA
80
40
60
20
I_L = 0mA
40
20
QUIESCENT CURRENT
vs. LOAD CURRENT
0.990
0
2000
100
200
300
400
OUTPUT CURRENT (mA)
DROPOUT VOLTAGE
vs. OUTPUT VOLTAGE
0
0
800
3
6
9 12 15 18
INPUT VOLTAGE (V)
DROPOUT VOLTAGE
vs. LOAD CURRENT
0
0 50 100 150 200 250 300 350 400
LOAD CURRENT (mA)
MAX1658
LINE-TRANSIENT RESPONSE
MAX1658/59TOC11
700
1500
600
V_OUT = 3.3V
A
500
1000
500
I_L = 350mA
0
0
3
6
9
12
15
OUTPUT VOLTAGE (V)
MAX1659
LINE-TRANSIENT RESPONSE
MAX1658/59TOC10
400
300
200
100
0
0
V_OUT = 5.0V
100
200
300
400
LOAD CURRENT (mA)
MAX1658
LOAD-TRANSIENT RESPONSE
MAX1658/59TOC13
B
V_OUT = 3.3V
100µs/div
A: INPUT VOLTAGE (1V/div), V_IN = 6V (HIGH), V_IN = 5V (LOW)
B: OUTPUT VOLTAGE (100mV/div)
MAX1659
LOAD-TRANSIENT RESPONSE
MAX1658/59TOC12
A
A
A
B
B
B
V_OUT = 5.0V
100µs/div
A: INPUT VOLTAGE (1V/div), V_IN = 7V (HIGH), V_IN = 6V (LOW)
B: OUTPUT VOLTAGE (100mV/div)
V_OUT = 3.3V
200µs/div
A: OUTPUT VOLTAGE (100mV/div)
B: I_OUT = 300mA (HIGH), I_OUT = 40mA (LOW)
V_OUT = 5V
200µs/div
A: OUTPUT VOLTAGE (100mV/div)
B: I_OUT = 300mA (HIGH), I_OUT = 40mA (LOW)
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