Datasheet

5V/3.3V or Adjustable, Low-Dropout,
Low I
Q
, 500mA Linear Regulators
__________________________________________Typical Operating Characteristics
(V
IN
= 7V for MAX603, V
IN
= 5.3V for MAX604, OFF = V
IN
, SET = GND, C
IN
= C
OUT
= 10µF, R
L
= 1kΩ, T
J
= +25°C, unless otherwise noted.)
1.00
1.01
0.95
0.1 10 700
OUTPUT VOLTAGE vs. LOAD CURRENT
0.96
MAX603/4-TOC-01
LOAD CURRENT (mA)
NORMALIZED OUTPUT VOLTAGE
0.97
0.98
0.99
1 100
V
OUT
= 3.3V, 5V, 10V
NORMALIZED TO
OUTPUT VOLTAGE
AT 1mA
25
30
0
0.1 10 700
QUIESCENT CURRENT vs. LOAD CURRENT
5
MAX603/4-TOC-02
LOAD CURRENT (mA)
QUIESCENT CURRENT (µA)
10
15
20
1 100
UPWARD CURVE IS
THERMAL EFFECT
MAX603, V
IN
= 12V, V
OUT
= 10V
MAX603, V
IN
= 7V, V
OUT
= 5V
MAX604, V
IN
= 5.3V, V
OUT
= 3.3V
0
2
OUTPUT VOLTAGE AND
QUIESCENT CURRENT vs. SUPPLY VOLTAGE
MAX1603/4 TOC-03
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE (V)
QUIESCENT CURRENT (µA)
8
4
2
46 12
6
3
1
5
10
3957 11
24
22
20
18
16
14
12
10
8
6
MAX603, V
OUT
= 5V
MAX604, V
OUT
= 3.3V
I
Q
, MAX604
I
Q
, MAX603
96
97
98
99
100
101
102
103
104
-55 45 125
OUTPUT VOLTAGE vs.
TEMPERATURE
MAX603/4-TOC-04
TEMPERATURE (°C)
NORMALIZED OUTPUT VOLTAGE (%)
5-35 856525-15 105
10ms/div
10Hz TO 10kHz OUTPUT NOISE
OUTPUT NOISE (1mV/div)
MAX603
V
OUT
= 5V
0
5
10
15
20
25
-55 45 125
QUIESCENT CURRENT vs.
TEMPERATURE
MAX603/4-TOC-05
TEMPERATURE (°C)
QUIESCENT CURRENT (µA)
5-35 856525-15 105
MAX603
MAX604
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 500
DROPOUT VOLTAGE vs. LOAD CURRENT
MAX603/4-TOC-06
LOAD CURRENT (mA)
DROPOUT VOLTAGE (V)
300100 700600400200
MAX604
V
OUT
= 3.3V
MAX603
V
OUT
= 5V
MAX603, V
OUT
= 10V,
SET EXTERNALLY
R
DS(ON)
= 0.4Ω
R
DS(ON)
= 0.65Ω
R
DS(ON)
= 1.2Ω
2ms/div
LINE-TRANSIENT RESPONSE
A: V
IN
= 8V (HIGH), V
IN
= 7V (LOW)
B: OUTPUT VOLTAGE (50mV/div)
A
B
MAX603
V
OUT
= 5V
t
R
= 10µs, t
F
= 70µs
MAX603/MAX604
4
Maxim Integrated