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MAX5083ATE-T

更新时间： 2024-11-02 13:10:39
品牌 Logo 应用领域
美信 - MAXIM 转换器
页数 文件大小 规格书
18页 404K
描述
Switching Regulator, Voltage-mode, 3A, 275kHz Switching Freq-Max, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, MO-220-WHHB, TQFN-16

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MAX5083ATE-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：QFN
包装说明：5 X 5 MM, 0.80 MM HEIGHT, MO-220-WHHB, TQFN-16针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.7
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：40 V最小输入电压：7.5 V
标称输入电压：12 VJESD-30 代码：S-XQCC-N16
JESD-609代码：e0长度：5 mm
湿度敏感等级：1功能数量：1
端子数量：16最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：3 A
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装等效代码：LCC16,.20SQ,32封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：245
认证状态：Not Qualified座面最大高度：0.8 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：275 kHz
技术：BICMOS温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn85Pb15)端子形式：NO LEAD
端子节距：0.8 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5 mm
Base Number Matches：1

MAX5083ATE-T 数据手册

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19-3657; Rev 0; 5/05  
1.5A, 40V, MAXPower Step-Down  
DC-DC Converters  
General Description  
Features  
The MAX5082/MAX5083 are 250kHz PWM step-down  
DC-DC converters with an on-chip, 0.3Ω high-side  
switch. The input voltage range is 4.5V to 40V for the  
MAX5082 and 7.5V to 40V for the MAX5083. The output  
is adjustable from 1.23V to 32V and can deliver up to  
1.5A of load current.  
♦ 4.5V to 40V (MAX5082) or 7.5V to 40V (MAX5083)  
Input Voltage Range  
♦ 1.5A Output Current  
♦ V  
Range From 1.23V to 32V  
OUT  
♦ Internal High-Side Switch  
Both devices utilize a voltage-mode control scheme for  
good noise immunity in the high-voltage switching envi-  
ronment and offer external compensation allowing for  
maximum flexibility with a wide selection of inductor val-  
ues and capacitor types. The switching frequency is  
internally fixed at 250kHz and can be synchronized to  
an external clock signal through the SYNC input. Light  
load efficiency is improved by automatically switching  
to a pulse-skip mode.  
♦ Fixed 250kHz Internal Oscillator  
♦ Automatic Switchover to Pulse-Skip Mode at  
Light Loads  
♦ External Frequency Synchronization  
♦ Thermal Shutdown and Short-Circuit Protection  
♦ Operates Over the -40°C to +125°C Temperature  
All devices include programmable undervoltage lock-  
out and soft-start. Protection features include cycle-by-  
cycle current limit, hiccup-mode output short-circuit  
protection, and thermal shutdown. Both devices are  
available in a space-saving, high-power (2.7W), 16-pin  
TQFN package and are rated for operation over the  
-40°C to +125°C temperature range.  
Range  
♦ Space-Saving (5mm x 5mm) High-Power 16-Pin  
TQFN Package  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +125°C  
-40°C to +125°C  
PIN-PACKAGE  
16 TQFN-EP*  
16 TQFN-EP*  
Applications  
MAX5082ATE  
MAX5083ATE  
FireWire® Power Supplies  
Distributed Power  
Automotive  
Industrial  
*EP = Exposed pad.  
Pin Configurations appear at end of data sheet.  
FireWire is a registered trademark of Apple Computer, Inc.  
Typical Operating Circuits  
V
IN  
C
D1  
F
4.5V TO 40V  
C
BST  
IN  
DVREG  
C-  
C+  
BST  
L1  
R1  
LX  
FB  
V
OUT  
C6  
REG  
C1  
R3  
R4  
C5  
D2  
MAX5082  
R6  
ON/OFF  
C8  
R5  
SYNC SGND PGND  
SS  
COMP  
R2  
C7  
C
C2  
SS  
PGND  
PGND  
Typical Operating Circuits continued at end of data sheet.  
________________________________________________________________ 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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