Rainbow-electronics MAX653 Manual de usuario descargar pdf (Pagina 6)

MAX639/MAX640/MAX653

5V/3.3V/3V/Adjustable, High-Efficiency,

Low I

, Step-Down DC-DC Converters

6 _______________________________________________________________________________________

MAX653

LINE-TRANSIENT RESPONSE

A: V

IN,

4V TO 8V, 2V/div

B: V

OUT

, 100mV/div

OUT

= 3V, I

LOAD

= 100mA

10ms/div

A: V

IN,

6V TO 11.5V, 2V/div

B: V

OUT

, 100mV/div

OUT

= 5V, I

LOAD

= 100mA

MAX639

LINE-TRANSIENT RESPONSE

10ms/div

_____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 3, internal feedback, L = 100µH, T

= +25°C, unless otherwise noted.)

A: I

LOAD,

0mA TO 100mA, 50mA/div

B: V

OUT

, 100mV/div, AC COUPLED

= 5V, V

OUT

= 3V

MAX653

LOAD-TRANSIENT RESPONSE

1ms/div

MAX639

LOAD-TRANSIENT RESPONSE

A: I

LOAD,

0mA TO 200mA, 100mA/div

B: V

OUT

, 100mV/div, AC COUPLED

= 9V, V

OUT

= 5V

1ms/div

1 2 3 4 5 6 7 8 9 10 11 12

MAX639/MAX640/MAX653 1
, Step-Down DC-DC Converters 1

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Rainbow-electronics MAX653 Manual de usuario Pagina 6

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