Datasheet > MAX17233ETIS+

MAX17233ETIS+

更新时间： 2024-11-07 15:43:07

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
24页	1450K
描述
Dual Switching Controller,

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中文翻译

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技术参数
数据手册

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MAX17233ETIS+ 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.75	模拟集成电路 - 其他类型：	DUAL SWITCHING CONTROLLER
峰值回流温度（摄氏度）：	260	处于峰值回流温度下的最长时间：	30
Base Number Matches：	1

MAX17233ETIS+ 数据手册

EVALUATION KIT AVAILABLE

MAX17232/MAX17233

3.5V–36V, 2.2MHz, Synchronous Dual Buck Con-

troller with 20µA Quiescent Current

General Description

Beneﬁts and Features

● Eliminates External Components and Reduces Total Cost

• No Schottky-Synchronous Operation for High

Efﬁciency and Reduced Cost

The MAX17232/MAX17233 offers dual synchronous step-

down DC-DC controllers with integrated MOSFETs. They

operates over a 3.5V to 36V input voltage range with 42V

input transient protection, and can operate in dropout

condition by running at 95% duty cycle. The controllers

can generate fixed output voltages of 3.3V/5V, along with

the capability to program the output voltage between

1V to 10V.

• Simple External RC Compensation for Stable

Operation at Any Output Voltage

• All-Ceramic Capacitor Solution: Ultra-Compact Layout

• 180° Out-of-Phase Operation Reduces Output

Ripple and Enables Cascaded Power Supplies

● Reduces Number of DC-DC Controllers to Stock

• Fixed Output Voltage with ±1% Accuracy (5V/3.3V)

or Externally Resistor Adjustable (1V to 10V)

• 220kHz to 2.2MHz Adjustable Frequency with

External Synchronization

These devices use a current-mode-control architecture.

The devices can be operated in pulse-width modulation

(PWM) or pulse-frequency modulation (PFM) control

schemes. PWM operation provides constant frequency

operation at all loads, and is useful in applications

sensitive to switching frequency. PFM operation disables

negative inductor current and additionally skips pulses at

light loads for high efficiency. The low-resistance, on-chip

MOSFETs ensure high efficiency at full load and simplify

the layout.

• Frequency Synchronization Input

● Reduces Power Dissipation

• 92% Peak Efﬁciency

• 8μA (typ) in Shutdown

• 20μA (typ) Quiescent Current in PFM Mode

The devices are available in a 28-pin TQFN-EP package

with exposed pad, and are specified for operation over

-40°C to +85°C.

● Operates Reliably

• 42V Input Voltage Transient Protection

• Cycle-by-Cycle Current Limit, Thermal Shutdown

• Supply Overvoltage and Undervoltage Lockout

• Power-OK Monitor

Applications

● Distributed Supply Regulation

● Wall Transformer Regulation

● General-Purpose Point-of-Load

• Reduced EMI Emission with Spread-Spectrum Control

• 50ns (typ) Minimum On-Time Guarantees PWM

Operation at Low Duty Cycle at 2.2MHz

•

Ordering Information and Selector Guide appears at end of

data sheet.

19-8366; Rev 1; 10/17

12 3 4 5 6 7...24

中文翻译

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与MAX17233ETIS+相关器件

型号	品牌	获取价格	描述	数据表
MAX17233ETIS+T	MAXIM	获取价格	3.5V 36V, 2.2MHZ, SYNCHRONOUS DU
MAX1723EZK	MAXIM	获取价格	1.5uA IQ, Step-Up DC-DC Converters in Thin SOT23-5
MAX1723EZK+	MAXIM	获取价格	Switching Regulator/Controller, Voltage-mode, 0.15A, PDSO5,
MAX1723EZK+T	MAXIM	获取价格	Switching Regulator, Current-mode, 1A, PDSO5, SOT-23, 5 PIN
MAX1723EZK-T	MAXIM	获取价格	1.5uA IQ, Step-Up DC-DC Converters in Thin SOT23-5
MAX1724	MAXIM	获取价格	1.5uA IQ, Step-Up DC-DC Converters in Thin SOT23-5
MAX1724	ADI	获取价格	1.5μA IQ、升压DC-DC转换器，TSOT和μDFN封装
MAX1724_12	MAXIM	获取价格	1.5Î¼A IQ, Step-Up DC-DC Converters in Thin S
MAX17242	MAXIM	获取价格	Eliminates External Components and Reduces Total Cost
MAX17242	ADI	获取价格	3.5V至36V、2A/3A、同步Buck转换器，15μA静态电流和低EMI

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