Datasheet > 电源电路 > 开关式稳压器或控制器> MAX5094CASA*

MAX5094CASA*

更新时间： 2024-11-03 05:00:11

品牌	Logo	应用领域
美信 - MAXIM		控制器
页数	文件大小	规格书
22页	296K
描述
High-Performance, Single-Ended, Current-Mode PWM Controllers

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

MAX5094CASA* 数据手册

19-3864; Rev 3; 10/06

High-Performance, Single-Ended, Current-Mode

PWM Controllers

General Description

Features

The MAX5094A/B/C/D/MAX5095A/B/C BiCMOS, high-

performance, current-mode PWM controllers have all the

features required for wide input-voltage range

isolated/nonisolated power supplies. These controllers

are used for low- and high-power universal input volt-

age and telecom power supplies.

♦ Pin-for-Pin Replacement for UCC28C43

(MAX5094A) and UCC28C45 (MAX5094B)

♦ 2A Drive Source and 1A Sink Capability

♦ Up to 1MHz Switching Frequency Operation

♦ Bidirectional Frequency Synchronization

(MAX5095A/MAX5095B)

The MAX5094/MAX5095 contain a fast comparator with

only 60ns typical delay from current sense to the output

for overcurrent protection. The MAX5094 has an inte-

grated error amplifier with the output at COMP. Soft-

start is achieved by controlling the COMP voltage rise

using external components.

♦ Advanced Output Drive for Secondary-Side

Synchronous Rectification (MAX5095C)

♦ Fast 60ns Cycle-by-Cycle Current Limit

♦ Trimmed Oscillator Capacitor Discharge Current

Sets Maximum Duty Cycle Accurately

The oscillator frequency is adjustable from 20kHz to

1MHz with an external resistor and capacitor. The tim-

ing capacitor discharge current is trimmed allowing for

programmable dead time and maximum duty cycle for

a given frequency. The available saw-toothed waveform

♦ Accurate 5ꢀ Start ꢁoltage with 0ꢂ8ꢁ Hysteresis

♦ Low 32µA Startup Current

♦ 5ꢁ Regulator Output (REF) with 20mA Capability

♦ ꢁersions with 0ꢂ3ꢁ Current-Sense Threshold

♦ Overtemperature Shutdown

at R C can be used for slope compensation when

needed.

The MAX5095A/MAX5095B include a bidirectional syn-

chronization circuit allowing for multiple controllers to

run at the same frequency to avoid beat frequencies.

Synchronization is accomplished by simply connecting

the SYNC of all devices together. When synchronizing

with other devices, the MAX5095A/MAX5095B with the

highest frequency synchronizes the other devices.

Alternatively, the MAX5095A/MAX5095B can be syn-

chronized to an external clock with an open-drain out-

put stage running at a higher frequency.

Ordering Information

PIN-

PKG

PART

TEMP RANGE

PACKAGE CODE

MAX5094AASA

MAX5094AASA+

MAX5094AAUA*

MAX5094AAUA+

MAX5094BASA*

MAX5094BASA+

MAX5094BAUA*

MAX5094BAUA+

-40°C to +125°C 8 SO

-40°C to +125°C 8 µMAX

-40°C to +125°C 8 SO

-40°C to +125°C 8 µMAX

S8-4

U8-1

S8-4

U8-1

The MAX5095C provides a clock output pulse

(ADV_CLK) that leads the driver output (OUT) by

110ns. The advanced clock signal is used to drive the

secondary-side synchronous rectifiers.

The MAX5094A/B/C are available in the 8-pin SO and

+Denotes lead-free package.

*Future product—contact factory for availability.

Ordering Information continued at end of data sheet.

8-pin µMAX

packages. The MAX5094D and

MAX5095A/B/C are available in the 8-pin µMAX pack-

age. All devices operate over the automotive tempera-

ture range of -40°C to +125°C.

Pin Configurations

Applications

TOP VIEW

Universal Input AC/DC Power Supplies

Isolated Telecom Power Supplies

Isolated Power-Supply Modules

Networking Systems

COMP

REF

MAX5094

OUT

GND

Computer Systems/Servers

Industrial Power Conversion

Isolated Keep-Alive Circuits

R /C

µMAX/SO

Pin Configurations continued at end of data sheet.

µMAX is a registered trademark of Maxim Integrated Products, Inc.

________________________________________________________________ Maxim Integrated Products

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

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

12 3 4 5 6 7...22

中文翻译

下载PDF

与MAX5094CASA*相关器件

型号	品牌	获取价格	描述	数据表
MAX5094CASA+	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094CAUA	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094CAUA*	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094CAUA+	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094CAUA+T	MAXIM	获取价格	Switching Controller, Voltage-mode, 2A, 1000kHz Switching Freq-Max, BICMOS, PDSO8, MO-187C
MAX5094CAUA-T	MAXIM	获取价格	Switching Controller, Voltage-mode, 2A, 1000kHz Switching Freq-Max, BICMOS, PDSO8, MO-187C
MAX5094D	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094DAUA	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094DAUA*	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094DAUA+	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers

与MAX5094CASA*相关文章

英伟达新AI芯片Rubin或提前半年亮相
2024-11-05

9
苹果iPhone 17将全系采用三星/LG显示LTPO OLED面板
2024-11-05

4
三星深化印度制造布局，供应链本地化进程加速
2024-10-29

26
芯擎科技“星辰一号”自动驾驶芯片点亮成功，2025年量产在即
2024-10-29

25

产品中心

服务支持

精选活动

关于我们

帮助中心

MAX5094CASA*

MAX5094CASA* 数据手册

与MAX5094CASA*相关器件

与MAX5094CASA*相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

MAX5094CASA*

MAX5094CASA* 数据手册

与MAX5094CASA*相关器件

与MAX5094CASA*相关文章

您还可以找

您在本页遇到什么问题？