Datasheet > MAX25276

MAX25276

更新时间： 2024-12-01 14:57:47

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
16页	760K
描述
36V、600mA/1.2A、微型Buck转换器，3.5μA IQ

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中文翻译

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MAX25276 数据手册

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36V, 600mA/1.2A Mini Buck Converter

MAX20075/MAX20076/

MAX25276

General Description

Beneﬁts and Features

● Synchronous DC-DC Converter with Integrated FETs

The MAX20075/MAX20076/MAX25276 are small, syn-

chronous buck converters with integrated high-side

and low-side switches. The MAX20076/MAX25276 are

designed to deliver up to 1.2A and the MAX20075 up

to 0.6A, with 3.5V to 36V input voltages. The devices

provide an accurate output voltage of ±2% within the

normal operation input range of 6V to 18V. With 20ns

minimum on-time capability, the converter is capable of

large input-to-output conversion ratios. Voltage quality

can be monitored by observing the PGOOD signal. The

devices can operate in dropout by running at 99% duty

cycle, making them ideal for automotive and industrial

applications. The devices offer two fixed output voltages

of 5V and 3.3V. In addition, the devices can be configured

for 1V to 10V output voltages using an external resistor-

divider. Frequency is internally fixed at 2.1MHz, which

allows for small external components and reduced output

ripple, and guarantees no AM interference. The devices

offer pin-enabled spread-spectrum-frequency modulation

designed to minimize EMI-radiated emissions due to the

modulation frequency.

• MAX20075 = 0.6A I

• MAX20076/MAX25276 = 1.2A I

• For applications requiring low quiescent current/

skip mode operation, please refer to MAX20075D/

MAX20076D/MAX25276D. This device is only

recommended for FPWM operation.

OUT

● 20ns Minimum On-Time Small Solution Size

Saves Space

• 2.1MHz Frequency

• Programmable 1V to 10V Output for the Buck, or

Fixed 5V/3.3V Options Available

• Fixed 2.5ms Internal Soft-Start

• Fixed Output Voltage with ±2% Output Accuracy

(5V/3.3V), or Externally Resistor Adjustable (1V to

10V) with ±1.5% FB Accuracy

• Innovative Current-Mode-Control Architecture

Minimizes Total Board Space and BOM Count

● PGOOD Output and High-Voltage EN Input Simplify

Power Sequencing

● Protection Features and Operating Range Ideal for

Automotive Applications

• 3.5V to 36V Operating V Range

• 40V Load-Dump Protection

• 99% Duty-Cycle Operation with Low Dropout

• -40°C to +125°C Automotive Temperature Range

• AEC-Q100 Qualiﬁed

The MAX20075/MAX20076/MAX25276 are available in

small (3mm x 3mm) 12-pin TDFN and side-wettable

TDFN packages with an exposed pad, and use very few

external components.

Applications

● Automotive

● Industrial

Simpliﬁed Block Diagram

● High-Voltage DC-DC Converters

SPS SYNC

REF

BST

SUP

HVLDO

BANDGAP

OSC

BIAS

CLK

CURRENT SENSE

SLOPE COMP

SOFT-

START

Ordering Information appears at end of data sheet.

LOGIC

CONTROL

BIAS

OUT

PWM

EAMP

COMP

PGND

SW1

V_RESET

MAX20075

MAX20076

SW2

PGOOD

AGND

19-8730; Rev 12; 11/21

12 3 4 5 6 7...16

中文翻译

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与MAX25276相关器件

型号	品牌	获取价格	描述	数据表
MAX25276ATCA	MAXIM	获取价格	36V, 600mA/1.2A Mini Buck Converter
MAX25276ATCA/VY+	MAXIM	获取价格	Switching Regulator,
MAX25276D	ADI	获取价格	具有3.5μA IQ的36V、600mA/1.2A小型降压转换器
MAX25277	ADI	获取价格	36V、2.5A、微型Buck转换器，3.5uA IQ
MAX252ACHL	MAXIM	获取价格	Complete, +5V-Powered, Isolated, Dual RS-232 Transceiver Module
MAX252ACHL-T	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDIP40, PLASTIC, MODULE, DIP-40
MAX252ACHL-W	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDIP40, PLASTIC, DIP-40
MAX252AEHG	MAXIM	获取价格	Complete, +5V-Powered, Isolated, Dual RS-232 Transceiver Module
MAX252AEHL	MAXIM	获取价格	Transceiver
MAX252AEHL-T	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDIP40, PLASTIC, MODULE, DIP-40

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