MAX5025 datasheet(3/13 Pages) MAXIM

Nome de Peças	MAX5025

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

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Fabricante Electrônico	MAXIM [Maxim Integrated Products]

Página de início	https://www.maximintegrated.com/en.html

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

DC-DC Converters

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3

ELECTRICAL CHARACTERISTICS (continued)

(VCC = 5V, SHDN = VCC, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX5025, VCC = 4.5V to 11V

1.19

1.25

1.31

MAX5027, VCC = 4.5V to 11V

28.5

30.0

31.5

MAX5026, VCC = 3.3V to 11V

1.212

1.25

1.288

FB Set Point

VFB

MAX5028, VCC = 3.3V to 11V

29.0

30

31

V

MAX5025/MAX5026, FB = 1V

110

310

nA

FB Input Bias Current

IFB

MAX5027/MAX5028, FB = 30V

100

170

µA

Output Voltage

Adjustment Range

MAX5025/MAX5026

VCC + 1

36

V

LX OUTPUT

MAX5026/MAX5028,

VCC = 3V

2.0

4.0

VCC = 5V

1.3

3.0

LX On-Resistance

RON

ILX = 40mA

VCC = 11V

1.0

2.5

Ω

Switch Current Limit

ILIM

Note 2

260

mA

MAX5025/MAX5026,

VFB = 1.4V

LX Leakage Current

VLX = 40V

MAX5027/MAX5028,

VFB = 35V

0.01

10

µA

LOGIC INPUT:

SHDN

Input Low Level

VIL

0.8

V

Input High Level

VIH

2.4

V

Input Bias Current

-1

1

µA

Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.

Note 2: Switch current-limit accuracy is typically ±20% and is a function of the input voltage. ILIM = (VIN/5) (260mA).

Nº de peça semelhante - MAX5025

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