MAX640EPA datasheet(6/12 Pages) MAXIM

Part #	MAX640EPA

Description	5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters

Download	12 Pages

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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6 / 12 page

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

Low IQ, Step-Down DC-DC Converters

6

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MAX653

LINE-TRANSIENT RESPONSE

A

B

A: VIN, 4V TO 8V, 2V/div

B: VOUT, 100mV/div

VOUT = 3V, ILOAD = 100mA

10ms/div

A: VIN, 6V TO 11.5V, 2V/div

B: VOUT, 100mV/div

VOUT = 5V, ILOAD = 100mA

MAX639

LINE-TRANSIENT RESPONSE

A

B

10ms/div

_____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 3, internal feedback, L = 100µH, TA = +25°C, unless otherwise noted.)

A: ILOAD, 0mA TO 100mA, 50mA/div

B: VOUT, 100mV/div, AC COUPLED

VIN = 5V, VOUT = 3V

MAX653

LOAD-TRANSIENT RESPONSE

A

B

1ms/div

MAX639

LOAD-TRANSIENT RESPONSE

A

B

A: ILOAD, 0mA TO 200mA, 100mA/div

B: VOUT, 100mV/div, AC COUPLED

VIN = 9V, VOUT = 5V

1ms/div

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