MAX1658 Maxim, MAX1658 Datasheet - Page 4

• Manufacturer Part Number: MAX1658
• Description: 350mA / 16.5V Input / Low-Dropout Linear Regulators
• Manufacturer: Maxim

350mA, 16.5V Input,
Low-Dropout Linear Regulators
4
(V
otherwise noted.)
____________________________Typical Operating Characteristics (continued)
1.000
0.998
0.996
0.994
0.992
0.990
2000
1500
1000
IN
500
_______________________________________________________________________________________
0
A: INPUT VOLTAGE (1V/div), V
B: OUTPUT VOLTAGE (100mV/div)
= 5V (MAX1658), V
A
B
0
0
I
V
L
NORMALIZED OUTPUT VOLTAGE
OUT
= 350mA
LINE-TRANSIENT RESPONSE
= 5.0V
3
100
vs. OUTPUT VOLTAGE
DROPOUT VOLTAGE
vs. LOAD CURRENT
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE (V)
3.3V OUTPUT
MAX1659
6
100 s/div
200
5V OUTPUT
IN
IN
= 7V (HIGH), V
= 6V (MAX1659); SHDN = IN; SET = GND; C
9
300
MAX1658/59TOC10
12
IN
= 6V (LOW)
400
15
800
700
600
500
400
300
200
100
80
60
40
20
0
0
A
B
0
0
A: OUTPUT VOLTAGE (100mV/div)
B: I
SUPPLY CURRENT vs. INPUT VOLTAGE
V
V
OUT
OUT
OUT
LOAD-TRANSIENT RESPONSE
= 3.3V
= 3.3V
3
= 300mA (HIGH), I
100
DROPOUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
6
MAX1658
MAX1658
V
200 s/div
OUT
200
9
OUT
= 3.3V
IN
= 40mA (LOW)
12
V
= 0.1µF; C
OUT
I
L
300
= 100mA
MAX1658/59TOC13
= 5.0V
I
L
15
= 0mA
400
18
OUT
= 10µF tantalum; T
140
120
100
80
60
40
20
0
A
B
A
B
A: INPUT VOLTAGE (1V/div), V
B: OUTPUT VOLTAGE (100mV/div)
0
A: OUTPUT VOLTAGE (100mV/div)
B: I
V
V
OUT
OUT
OUT
50
LOAD-TRANSIENT RESPONSE
LINE-TRANSIENT RESPONSE
= 5V
= 300mA (HIGH), I
= 3.3V
100
QUIESCENT CURRENT
vs. LOAD CURRENT
LOAD CURRENT (mA)
A
150
MAX1659
MAX1658
= +25°C; unless
100 s/div
200 s/div
200
OUT
IN
= 40mA (LOW)
250
= 6V (HIGH), V
300
MAX1658/59TOC12
MAX1658/59TOC11
350
IN
= 5V (LOW)
400