MAX608 Maxim, MAX608 Datasheet - Page 5

• Manufacturer Part Number: MAX608
• Description: 5V or Adjustable / Low-Voltage / Step-Up DC-DC Controller
• Manufacturer: Maxim

(T
____________________________Typical Operating Characteristics (continued)
A
= +25°C, unless otherwise noted.)
A
B
A
B
C
I
A = V
B = V
OUT
V
A = EXT VOLTAGE, 10V/div
B = INDUCTOR CURRENT, 1A/div
C = V
IN
HEAVY-LOAD SWITCHING WAVEFORMS
= 4V, I
= 500mA, V
IN
OUT
OUT
, 2.7V TO 4.0V, 1V/div
RIPPLE, 100mV/div, AC-COUPLED
_______________________________________________________________________________________
LINE-TRANSIENT RESPONSE
RIPPLE, 50mV/div, AC-COUPLED
OUT
= 490mA, V
OUT
= 5V
(V
(V
OUT
OUT
5ms/div
2 s/div
OUT
= 12V)
= 5V)
= 12V
A
B
5V or Adjustable, Low-Voltage,
I
A = SHDN, 2V/div
B = V
OUT
= 500mA, V
OUT
4.0V
2.7V
I
0A
V
0V
, 2V/div
LIM
OUT
EXITING SHUTDOWN
IN
= 3.5V
Step-Up DC-DC Controller
200 s/div
A
B
C
A
B
V
A = LOAD CURRENT, 0mA TO 500mA, 500mA/div
B = V
V
A = EXT VOLTAGE, 10V/div
B = INDUCTOR CURRENT, 1A/div
C = V
IN
IN
MEDIUM-LOAD SWITCHING WAVEFORMS
= 2V, V
= 4V, I
OUT
OUT
0V
5V
0V
RIPPLE, 50mV/div, AC-COUPLED
LOAD-TRANSIENT RESPONSE
RIPPLE, 50mV/div, AC-COUPLED
OUT
OUT
= 5V
= 300mA, V
(V
(V
OUT
OUT
2ms/div
10 s/div
OUT
= 12V)
= 5V)
= 12V
0A
500mA
I
0V
0A
V
LIM
OUT
5