Datasheet > MAX16936

MAX16936

更新时间： 2024-11-07 14:57:55

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
17页	1432K
描述
36V、220KHz至2.2MHz降压转换器，静态电流28μA

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中文翻译

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MAX16936 数据手册

EVALUATION KIT AVAILABLE

MAX16936/MAX16938

36V, 220kHz to 2.2MHz Step-Down Converters

with 28µA Quiescent Current

General Description

Beneﬁts and Features

● Integration and High-Switching Frequency Saves

The MAX16936/MAX16938 are 2.5A current-mode step-

down converters with integrated high-side and low-side

MOSFETs designed to operate with an external Schottky

diode for better efficiency. The low-side MOSFET enables

fixed-frequency forced-PWM (FPWM) operation under

light-load applications. The devices operate with input

voltages from 3.5V to 36V, while using only 28µA

quiescent current at no load. The switching frequency is

resistor programmable from 220kHz to 2.2MHz and can

be synchronized to an external clock. The devices’ output

voltage is available as 5V/3.3V fixed or adjustable from

1V to 10V. The wide input voltage range along with its

ability to operate at 98% duty cycle during undervoltage

transients make the devices ideal for automotive and

industrial applications.

Space

• Integrated 2.5A High-Side Switch

• Low-BOM-Count Current-Mode Control

Architecture

• Fixed Output Voltage with ±2% Accuracy (5V/3.3V)

or Externally Resistor Adjustable (1V to 10V)

• 220kHz to 2.2MHz Switching Frequency with

Three Operation Modes (Skip Mode, Forced

Fixed-Frequency Operation, and External

Frequency Synchronization)

• Automatic LX Slew-Rate Adjustment for Optimum

Eﬃciency Across Operating Frequency Range

● 180° Out-of-Phase Clock Output at SYNCOUT

Enables Cascaded Power Supplies for Increased

Power Output

Under light-load applications, the FSYNC logic input

allows the devices to either operate in skip mode for

reduced current consumption or fixed-frequency FPWM

mode to eliminate frequency variation to minimize EMI.

Fixed-frequency FPWM mode is extremely useful for

power supplies designed for RF transceivers where

tight emission control is necessary. Protection features

include cycle-by-cycle current limit and thermal shutdown

with automatic recovery. Additional features include a

power-good monitor to ease power-supply sequencing

and a 180º out-of-phase clock output relative to the inter-

nal oscillator at SYNCOUT to create cascaded power

supplies with multiple devices.

● Spread-Spectrum Frequency Modulation Reduces

EMI Emissions

● Wide Input Voltage Range Supports Automotive

Applications

• 3.5V to 36V Input Voltage Range

• Enable Input Compatible from 3.3V Logic Level

to 42V

● Robust Performance Supports Wide Range of

Automotive Applications

• 42V Load-Dump Protection

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

• Thermal-Shutdown Protection

• AEC-Q100 Qualiﬁed

The MAX16936/MAX16938 operate over the -40ºC to

+125ºC automotive temperature range and are available

in 16-pin TSSOP-EP and 5mm x 5mm, 16-pin TQFN-EP

packages.

● Power-Good Output Allows Power-Supply

Sequencing

● Tight Overvoltage Protection Provides Smaller

Applications

Overshoot Voltages (MAX16938)

● Point-of-Load Applications

● Distributed DC Power Systems

● Navigation and Radio Head Units

Ordering Information/Selector Guide and Typical

Application Circuit appear at end of data sheet.

19-6626; Rev 18; 3/18

12 3 4 5 6 7...17

中文翻译

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与MAX16936相关器件

型号	品牌	获取价格	描述	数据表
MAX16936EVKIT	MAXIM	获取价格	current-mode step-down converter with low operating current
MAX16936RATEA	MAXIM	获取价格	36V, 220kHz to 2.2MHz Step-Down Converter wit
MAX16936RATEA/V+	MAXIM	获取价格	Switching Regulator, Current-mode, 4.5A, 2200kHz Switching Freq-Max, BICMOS, TQFN-16
MAX16936RATEA+	MAXIM	获取价格	Switching Regulator, Current-mode, 2.5A, 2400kHz Switching Freq-Max, BICMOS, PQCC16
MAX16936RATEB	MAXIM	获取价格	36V, 220kHz to 2.2MHz Step-Down Converter wit
MAX16936RATEB/V+	MAXIM	获取价格	Switching Regulator, Current-mode, 4.5A, 2200kHz Switching Freq-Max, BICMOS, TQFN-16
MAX16936RAUEA	MAXIM	获取价格	36V, 220kHz to 2.2MHz Step-Down Converter wit
MAX16936RAUEA/V+	MAXIM	获取价格	Switching Regulator, Current-mode, 4.5A, 2200kHz Switching Freq-Max, BICMOS, PDSO16, TSSOP
MAX16936RAUEA+	MAXIM	获取价格	Switching Regulator, Current-mode, 2.5A, 2400kHz Switching Freq-Max, BICMOS, PDSO16,
MAX16936RAUEB	MAXIM	获取价格	36V, 220kHz to 2.2MHz Step-Down Converter wit

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