MAX687-MAX689 MAXIM [Maxim Integrated Products], MAX687-MAX689 Datasheet - Page 5

• Manufacturer Part Number: MAX687-MAX689
• Description: High-Accuracy, Low-Dropout Linear Regulators
• Manufacturer: MAXIM [Maxim Integrated Products]

(Circuits of Figures 1 and 2, V
I
C1 = 2.2 F
C2 = 20 F
C3 = 10nF
LOAD
____________________________Typical Operating Characteristics (continued)
0.3000
0.2500
0.2000
0.1500
0.1000
0.0500
= 70mA
0
LINE-TRANSIENT RESPONSE
-55
SHUTDOWN SUPPLY CURRENT
-25
V
IN
= 3.4V
2ms/div
vs. TEMPERATURE
0
TEMPERATURE (°C)
LOAD-TRANSIENT RESPONSE
_______________________________________________________________________________________
25
50
100 s/div
IN
75
= 5V, Q1 = FZT749, T
100
V
3.6V
V
3.4V
V
3.3V
1mV/div
IN
IN
OUT
125
I
C1 = 2.2 F
C2 = 20 F
C3 = 10nF
LOAD
3.315
3.310
3.305
3.300
3.295
3.290
3.285
3.280
= 200mA
500mA
0mA
V
3.3V
10mV/div
I
200mA/div
OUT
LOAD
-55
LINE-TRANSIENT RESPONSE
High-Accuracy, Low-Dropout
A
= +25°C, unless otherwise noted.)
-25
2ms/div
vs. TEMPERATURE
OUTPUT VOLTAGE
0
TEMPERATURE (°C)
25
50
75
V
IN
= 3.5V
100
V
3.4V
V
3.3V
1mV/div
V
3.6V
Linear Regulators
IN
IN
OUT
LOAD-TRANSIENT RESPONSE
125
100 s/div
I
C1 = 2.2 F
C2 = 68 F
C3 = 10nF
LOAD
70
60
50
40
30
20
10
80
POWER-UP AND EXIT FROM SHUTDOWN
0
= 500mA
10
RIPPLE REJECTION vs. FREQUENCY
V
I
C2 = 20 F
LOAD
IN
= 3.6V Min
= 200mA
MAX687/MAX688
100
MAX687/MAX688
V
I
FREQUENCY (Hz)
LOAD
IN
1ms/div
= 4.3V Min
= 20mA
1k
V
3.3V
10mV/div
500mA
0mA
I
200mA/div
OUT
LOAD
10k
100k
V
1V/div
SHDN
5V/div
V
5V/div
IN
OUT
5