Datasheet > 电源电路 > 开关式稳压器或控制器> MAX5094BAUA-T

MAX5094BAUA-T

更新时间： 2024-11-03 13:00:39

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
Switching Controller, Voltage-mode, 2A, 1000kHz Switching Freq-Max, BICMOS, PDSO8, MO-187CAA, MICRO, SOP-8

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MAX5094BAUA-T 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	TSSOP
包装说明：	TSSOP, TSSOP8,.19	针数：	8
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.61
其他特性：	IT CAN ALSO OPERATE WITH CURRENT MODE	模拟集成电路 - 其他类型：	SWITCHING CONTROLLER
控制模式：	VOLTAGE-MODE	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	25 V	最小输入电压：	12 V
标称输入电压：	15 V	JESD-30 代码：	S-PDSO-G8
长度：	3 mm	功能数量：	1
端子数量：	8	最高工作温度：	125 °C
最低工作温度：	-40 °C	最大输出电流：	2 A
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP8,.19	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	座面最大高度：	1.1 mm
子类别：	Switching Regulator or Controllers	表面贴装：	YES
切换器配置：	SINGLE	最大切换频率：	1000 kHz
技术：	BICMOS	温度等级：	AUTOMOTIVE
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	3 mm	Base Number Matches：	1

MAX5094BAUA-T 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

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与MAX5094BAUA-T相关器件

型号	品牌	获取价格	描述	数据表
MAX5094C	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094CASA	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
MAX5094CASA*	MAXIM	获取价格	High-Performance, Single-Ended, Current-Mode PWM Controllers
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

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