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MAX1685EEE+T

更新时间： 2024-11-11 20:36:07
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关光电二极管
页数 文件大小 规格书
14页 293K
描述
Switching Regulator, Current-mode, 2.3A, 680kHz Switching Freq-Max, BICMOS, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16

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MAX1685EEE+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：0.150 INCH, 0.025 INCH PITCH, QSOP-16针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.18模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：14 V最小输入电压：2.7 V
标称输入电压：6 VJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：4.89 mm
湿度敏感等级：1功能数量：1
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：2.3 A
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SSOP16,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.73 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：680 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

MAX1685EEE+T 数据手册

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19-1454; Rev 2; 7/01  
Low-Noise, 14V Input, 1A, PWM  
Step-Down Converters  
General Description  
Features  
The MAX1684/MAX1685 are high-efficiency, internal-  
switch, pulse-width modulation (PWM) step-down switch-  
ing regulators intended to power cellular phones,  
communicating PDAs, and handy-terminals. These  
devices deliver a guaranteed 1A output current from two  
lithium-ion (Li+) batteries. Their wide-input voltage range  
of 2.7V to 14V gives design flexibility and allows batteries  
to charge from a wall cube, since the ICs operate at the  
higher voltages that occur when the battery is removed.  
The output voltage is preset to 3.3V or can be externally  
o Up to 96% Efficiency  
o 1A Guaranteed Output Current  
o 100% Duty Cycle in Dropout  
o 2.7V to 14V Input Range (15V Absolute Max)  
1% Accurate Reference Output  
o
o 0.24Ω P-Channel On-Resistance  
o Synchronizable Switching Frequency  
adjusted from 1.25V to V .  
IN  
o Fixed-Frequency PWM Operation  
300kHz (MAX1684)  
The low on-resistance power switch and built-in synchro-  
nous rectifier provide high efficiencies of up to 96%.  
There are four modes of operation: fixed-frequency, nor-  
mal, low-power, and shutdown. The fixed-frequency  
PWM mode of operation offers excellent noise character-  
istics. The normal mode maintains high efficiency at all  
loads. The low-power mode is used to conserve power in  
standby or when full load is not required. The shutdown  
mode is used to power down the device for minimal cur-  
rent draw.  
600kHz (MAX1685)  
o 150µA Normal-Mode Quiescent Current  
o 25µA Low-Power Mode Quiescent Current  
o 2µA Shutdown Current  
o Dual Mode™ Fixed 3.3V ( 1%) Output or  
Adjustable Output (1.25V to V )  
IN  
The MAX1684 runs at 300kHz for applications that  
require highest efficiency. The MAX1685 runs at  
600kHz to allow the use of smaller external compo-  
nents. These devices can also be synchronized to an  
external clock. Other features include a 100% duty  
cycle for low-dropout applications, an auxiliary 3V/5mA  
output, and a 1% accurate reference.  
o Small 16-QSOP Package  
o Auxiliary Output (CVL): 3V/5mA  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 QSOP  
MAX1684EEE  
MAX1685EEE  
Both devices are available in a space-saving 16-QSOP  
package. An evaluation kit is also available to help  
speed designs. For a similar device in a 10-pin µMAX  
package with lower input voltage requirements (5.5V  
max), refer to the MAX1692 data sheet.  
16 QSOP  
Typical Operating Circuit  
Applications  
OUTPUT  
3.3V AT 1A  
INPUT  
2.7V TO 14V  
Cellular Phones  
IN  
LX  
+
+
Two-Way Radios and Walkie-Talkies  
Computer Peripherals  
AIN  
MAX1684  
MAX1685  
SHDN  
GND  
Personal Communicators  
PDAs and Handy-Terminals  
CVH  
CVL  
BOOT  
STBY  
SYNC/PWM  
FB  
Pin Configuration appears at end of data sheet.  
CC  
REF  
Dual Mode is a trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
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MAX1685EEE+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1685EEE+ MAXIM

完全替代

 暂无描述
MAX1685EEE-T MAXIM

完全替代

 Switching Regulator, Current-mode, 2.3A, 680kHz Switching Freq-Max, BICMOS, PDSO16, 0.150
MAX1685EEE MAXIM

完全替代

 Low-Noise, 14V Input, 1A, PWM Step-Down Converters

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