Datasheet > MAX16952

MAX16952

更新时间： 2024-11-06 14:57:51

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
24页	1409K
描述
36V、2.2MHz降压控制器，低工作电流

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中文翻译

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MAX16952 数据手册

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MAX16952

36V, 2.2MHz Step-Down Controller

with Low Operating Current

General Description

Beneﬁts and Features

● Meets Stringent Automotive Quality and Reliability

The MAX16952 is a current-mode, synchronous PWM

step-down controller designed to operate with input volt-

ages from 3.5V to 36V while using only 50μA of quiescent

current at no load. The switching frequency is adjustable

from 1MHz to 2.2MHz by an external resistor and can

be synchronized to an external clock up to 2.4MHz. The

MAX16952 output voltage is pin programmable to be

either 5V fixed, or adjustable from 1V to 10V. The wide

input voltage range, along with its ability to operate in

dropout during undervoltage transients, makes it ideal for

automotive and industrial applications.

Requirements

• +3.5V to +36V Input Voltage Range Allows

Operation in “Cold Crank” Conditions

• High Duty Cycle During Undervoltage Transients

• Tolerates Input-Voltage Transients to +42V

• Enable-Pin Compatible from +3.3V Logic Level to

+42V

• Current-Limit, Thermal Shutdown, and Overvoltage

Protection

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

• AEC-Q100 Qualiﬁed

The MAX16952 operates in fixed-frequency PWM mode

and low quiescent current skip mode. It features an

enable logic input, which is compatible up to 42V to dis-

able the device and reduce its shutdown current to 10μA.

Protection features include overcurrent limit, overvolt-

age, undervoltage, and thermal shutdown with automatic

recovery. The device also features a power-good monitor

to ease power-supply sequencing.

● Increased Efficiency and Reduced BOM Cost and

Board Space

• Lowest BOM Count for Current-Mode-Control

Architecture

• 16-Pin TSSOP-EP Packages

● Low Quiescent Current Helps Designers Meet

Stringent OEM Current Requirements

• 50μA Quiescent Current During Skip Mode

Operation

The MAX16952 is available in a thermally enhanced

16-pin TSSOP package with an exposed pad, and is

specified for operation over the -40°C to +125°C automo-

tive temperature range.

● High Switching Frequency Allows Use of Small,

Low-Cost External Components

• 1MHz to 2.2MHz Adjustable Switching Frequency

• 2.1MHz Switching Frequency with Three Modes of

Operation

• Skip Mode for Efﬁcient, Low-Power Operation

• Forced Fixed-Frequency Operation

• External Frequency Synchronization

Applications

● Automotive

● Industrial

● Military

● Point of Load

● Adjustable Output Voltage Supports a Diverse Range

of Applications

Typical Operating Circuit

BAT

• 1V to 10V Output Voltage with ±2% Accuracy

BST

SUP

COMP

BST

Ordering Information

COMP

COMP2

PART

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

16 TSSOP-EP*

MAX16952

COMP1

MAX16952AUE+

MAX16952AUE/V+

SENSE

PGOOD

/V denotes an automotive qualified part.

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

PGND

FSYNC

OUT

FOSC

OUT

BIAS

FOSC

SGND

19-5789; Rev 9; 1/20

12 3 4 5 6 7...24

中文翻译

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与MAX16952相关器件

型号	品牌	获取价格	描述	数据表
MAX16955	MAXIM	获取价格	36V, 1MHz Step-Down Controller with Low Operating Current
MAX16955	ADI	获取价格	36V、1MHz降压型控制器，具有较低工作电流
MAX16955_12	MAXIM	获取价格	36V, 1MHz Step-Down Controller with Low Operating Current
MAX16955AUE	MAXIM	获取价格	36V, 1MHz Step-Down Controller with Low Operating Current
MAX16955AUE/V+	MAXIM	获取价格	Switching Controller, Current-mode, 1000kHz Switching Freq-Max, BICMOS, PDSO16, ROHS COMPL
MAX16955AUE/V+T	MAXIM	获取价格	Switching Regulator/Controller, Current-mode, 440kHz Switching Freq-Max, BICMOS, PDSO16,
MAX16955AUE+	MAXIM	获取价格	Switching Controller, Current-mode, 1100kHz Switching Freq-Max, BICMOS, PDSO16, TSSOP-16
MAX16955AUE+T	MAXIM	获取价格	Switching Controller, Current-mode, 1100kHz Switching Freq-Max, BICMOS, PDSO16, TSSOP-16
MAX16955AUV	MAXIM	获取价格	36V, 1MHz Step-Down Controller with Low Operating Current
MAX16956	ADI	获取价格	36V、300mA、微型降压转换器，1.1μA IQ

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