MAX5028EUT-T datasheet(6/13 Pages) MAXIM

Part #	MAX5028EUT-T

Description	500kHz, 36V Output, SOT23, PWM Step-Up DC-DC Converters

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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6 / 13 page

500kHz, 36V Output, SOT23, PWM Step-Up

DC-DC Converters

6

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(VCC = 5V, VOUT = 30V, TA = +25°C, unless otherwise noted.)

MAX5025-28 toc17

LX PIN

20V/div

VOUT

1mV/div

AC-COUPLED

IL

200mA/div

0V

0mA

1

µs/div

MAX5026, VCC = 5V, VOUT = 30V, ILOAD = 4mA.

CIRCUIT OF FIGURE 3

HEAVY-LOAD SWITCHING WAVEFORM

WITH RC FILTER

LOAD TRANSIENT RESPONSE

MAX5025-28 toc18

OUTPUT

VOLTAGE

200mV/div

AC-COUPLED

LOAD

CURRENT

10mA/div

0mV

0mA

1ms/div

MAX5026, VCC = 5V, VOUT = 30V, ILOAD = 0 TO 4mA.

CIRCUIT OF FIGURE 2

LINE TRANSIENT RESPONSE

MAX5025-28 toc19

OUTPUT

VOLTAGE

1mV/div

AC-COUPLED

INPUT

VOLTAGE

100mV/div

AC-COUPLED

0mV

2ms/div

MAX5026, VCC = 5V TO 5.2V, VOUT = 30V, ILOAD = 1mA.

CIRCUIT OF FIGURE 2

1.230

1.235

1.245

1.240

1.260

1.265

1.255

1.250

1.270

-40

0

20

-20

40

60

80

TEMPERATURE (

°C)

MAX5026

FB PIN VOLTAGE vs. TEMPERATURE

VCC = 11V

VCC = 5V

VCC = 3V

29.0

29.4

29.2

29.8

29.6

30.2

30.0

30.4

-40

0

20

-20

40

60

80

TEMPERATURE (

°C)

MAX5028

FB PIN VOLTAGE vs. TEMPERATURE

VCC = 11V

VCC = 5V

VCC = 3V

MAX5025-28 toc16

LX PIN

20V/div

VOUT

5mV/div

AC-COUPLED

IL

200mA/div

0V

0mA

1

µs/div

MAX5026, VCC = 5V, VOUT = 30V, ILOAD = 4mA.

CIRCUIT OF FIGURE 2

HEAVY-LOAD SWITCHING WAVEFORM

WITHOUT RC FILTER

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MAX5028EUT-T Datasheet(PDF) 6 Page - Maxim Integrated Products

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