MAX16936

更新时间： 2024-09-16 12:01:39

品牌	Logo	应用领域
美信 - MAXIM		转换器
页数	文件大小	规格书
17页	2461K
描述
36V, 220kHz to 2.2MHz Step-Down Converter with 28Î¼A Quiescent Current

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MAX16936 数据手册

MAX16936

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

with 28µA Quiescent Current

General Description

Features

S Wide 3.5V to 36V Input Voltage Range

S 42V Load Dump Protection

The MAX16936 is a 2.5A current-mode step-down con-

verter 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 device operates with input

voltages from 3.5V to 36V, while using only 28FA qui-

escent current at no load. The switching frequency is

resistor programmable from 220kHz to 2.2MHz and can

be synchronized to an external clock. The MAX16936’s

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 MAX16936 ideal for automotive and

industrial applications.

S Enhanced Current-Mode Control Architecture

S Fixed Output Voltage with 2ꢀ Accuracꢁ ꢂ5Vꢃ3.3Vꢄ

or Externallꢁ Resistor Adjustable ꢂ1V to 10Vꢄ

S 220kHz to 2.2MHz Switching Frequencꢁ with Three

Operation Modes

 28µA Ultra-Low Quiescent Current Skip Mode

 Forced Fixed-Frequencꢁ Operation

 External Frequencꢁ Sꢁnchronization

S Spread-Spectrum Frequencꢁ Modulation

S Automatic LX Slew Rate Adjustment for Optimum

Efficiencꢁ Across Operating Frequencꢁ Range

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

Under light-load applications, the FSYNC logic input

allows the MAX16936 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

180N out-of-phase clock output relative to the internal

oscillator at SYNCOUT to create cascaded power sup-

plies with multiple MAX16936s.

S Low-BOM-Count Current-Mode Control

Architecture

S Power-Good Output

S Enable Input Compatible from 3.3V Logic Level

to 42V

S Thermal Shutdown Protection

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

S AEC-Q100 Qualified

Applications

Point of Load Applications

The MAX16936 operates over the -40NC to +125NC

automotive temperature range and is available in 16-pin

TSSOP-EP and 5mm x 5mm, 16-pin TQFN-EP packages.

Distributed DC Power Systems

Navigation and Radio Head Units

Ordering Information/Selector Guide appears at end of data

sheet.

Typical Application Circuit appears at end of data sheet.

For related parts and recommended products to use with this part, refer to: www.maximintegrated.com/MAX16936.related

For pricing, delivery, and ordering information, please contact Maxim Direct at

1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.

19-6626; Rev 1; 4/13

12 3 4 5 6 7...17

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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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