MAX877CSLASHD datasheet(5/12 Pages) MAXIM

부품명	MAX877C/D

상세설명	5V/3.3V/3V/Adjustable-Output, Step-Up/Step-Down DC-DC Converters

PDF	12 Pages

Scroll/Zoom	100%

제조업체	MAXIM [Maxim Integrated Products]

홈페이지	https://www.maximintegrated.com/en.html

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5V/3.3V/3V/Adjustable-Output,

Step-Up/Step-Down DC-DC Converters

_______________________________________________________________________________________

A: SWITCH VOLTAGE (LX PIN), 2V/div

B: INDUCTOR CURRENT, 0.5A/div

C: OUTPUT VOLTAGE RIPPLE, 50mV/div

MAX877, VIN = 1.5V, IOUT = 100mA

SWITCHING WAVEFORMS—

CONTINUOUS CONDUCTION

0mA

µs/div

A: SWITCH VOLTAGE (LX PIN), 2V/div

B: INDUCTOR CURRENT, 0.5A/div

C: OUTPUT VOLTAGE RIPPLE, 50mV/div

MAX877, VIN = 3V, IOUT = 70mA

SWITCHING WAVEFORMS—

DISCONTINUOUS CONDUCTION

µs/div

0mA

A: SWITCH VOLTAGE (LX PIN), 2V/div

B: INDUCTOR CURRENT, 0.5A/div

C: OUTPUT VOLTAGE RIPPLE, 50mV/div

MAX878, VIN = 6.0V, VOUT = 5.0V, IOUT = 210mA

STEP-DOWN CONVERSION

µs/div

0mA

A: SHDN, 2V/div

B: VOUT, 1V/div

VOUT = 3V

MAX878

START-UP TIME

GND

10ms/div

A: INPUT VOLTAGE, 2V/div, 2V to 6V

B: OUTPUT VOLTAGE, 50mV/div

MAX878, IOUT = 100mA, VOUT = 3.3V

STEP-UP/STEP-DOWN

OPERATION

20ms/div

GND

____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 4, TA = +25°C, unless otherwise noted.)

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