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MAX1515ETG+ PDF预览

MAX1515ETG+

更新时间： 2024-09-17 19:40:43
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关
页数 文件大小 规格书
24页 490K
描述
Switching Regulator, Current-mode, 4.7A, 1000kHz Switching Freq-Max, BICMOS, 4 X 4 MM, 0.8 MM HEIGHT, LEAD FREE, MO-220-WGGD, TQFN-8

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MAX1515ETG+ 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：QFN
包装说明：HVQCCN, LCC24,.16SQ,20针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.47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：3.6 V最小输入电压：1.3 V
标称输入电压：3.3 VJESD-30 代码：S-XQCC-N24
JESD-609代码：e3长度：4 mm
湿度敏感等级：1功能数量：1
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：4.7 A
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装等效代码：LCC24,.16SQ,20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）：260
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：1000 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：4 mm
Base Number Matches：1

MAX1515ETG+ 数据手册

 浏览型号MAX1515ETG+的Datasheet PDF文件第2页浏览型号MAX1515ETG+的Datasheet PDF文件第3页浏览型号MAX1515ETG+的Datasheet PDF文件第4页浏览型号MAX1515ETG+的Datasheet PDF文件第5页浏览型号MAX1515ETG+的Datasheet PDF文件第6页浏览型号MAX1515ETG+的Datasheet PDF文件第7页 
19-3507; Rev 1; 3/06  
Low-Voltage, Internal Switch,  
Step-Down/DDR Regulator  
General Description  
Features  
♦ Dual 40mΩ Internal n-Channel MOSFETs  
The MAX1515 constant-off-time, pulse-width-modulated  
(PWM) source/sink step-down DC-DC converter is opti-  
mized for use in low-voltage active-termination power  
rails or chipset power supplies in notebook and sub-  
notebook computers. This device features dual internal  
n-channel MOSFET power switches for high efficiency  
and reduced component count. External Schottky  
diodes are not required. An integrated boost switch  
eliminates the need for an external boost diode. The  
internal 40mΩ NMOS power switches easily source and  
sink continuous load currents up to 3A. The MAX1515  
produces an adjustable output from +0.5V to +2.7V  
and achieves efficiencies as high as 95%.  
♦ Integrated Boost Switch  
♦ +1.3V to +3.6V Input Voltage Range  
♦ 1% V  
Accuracy Over Line and Load  
OUT  
♦ 1MHz Maximum Switching Frequency  
♦ DDR Termination Regulator (DDR Mode)  
Tracking Output Voltage  
Source/Sink Pulse Skipping  
±±mA Reꢀerence Buꢀꢀer  
♦ Output Voltage (Non-DDR Mode)  
+2.±V, +1.8V, or +1.±V Pin Selectable  
+0.±V to +2.7V Adjustable  
♦ 1.1V ±0.7±% Reꢀerence Output  
The MAX1515 can be configured as a DDR regulator,  
producing an output that is exactly half the memory  
supply rail. The input of the power stage can be taken  
from the memory supply rail itself, resulting in an effi-  
cient power supply that returns the energy to the rail  
from which it was sourced. The MAX1515 includes a  
reference buffer that provides 5mA of drive current.  
♦ Adjustable Soꢀt-Start Inrush Current Limiting  
♦ < 1µA (typ) Shutdown Supply Current  
♦ < 800µA (max) Operating Supply Current  
♦ Selectable Pulse-Skipping Operation at Light Loads  
♦ Positive and Negative Current Limit  
♦ Power-Good Window Comparator  
The MAX1515 uses a unique current-mode, constant-  
off-time, PWM control scheme. A selectable pulse-skip-  
ping mode maintains high efficiency during light-load  
operation, yet still sources and sinks current on  
demand. The MAX1515 can also be operated in fixed-  
PWM mode for low output ripple. The programmable  
constant-off-time architecture sets switching frequen-  
cies up to 1MHz, which allows the user to optimize per-  
formance trade-offs between efficiency, output  
switching noise, component size, and cost. The  
MAX1515 features an adjustable soft-start to limit surge  
currents during startup and a low-power shutdown  
mode to disconnect the input from the output and  
reduce supply current below 1µA. The MAX1515 is  
available in a 24-pin thin QFN package with an  
exposed backside pad.  
♦ Output Short-Circuit Protection  
Ordering Information  
PIN-  
PACKAGE  
PART  
TEMP RANGE  
PKG CODE  
24 Thin QFN  
4mm x 4mm  
MAX1515ETG  
-40°C to +85°C  
T2444-4  
24 Thin QFN  
4mm x 4mm  
MAX1515ETG+ -40°C to +85°C  
T2444-4  
+Denotes lead-free package.  
Minimal Operating Circuit  
V
BIAS  
(3.0V TO 3.6V)  
V
IN  
(1.3V TO 3.6V)  
V
BST  
DD  
IN  
V
CC  
Applications  
MAX1515  
V
OUT  
= V  
TT  
Notebook DDR Memory Termination  
COMP  
LX  
FB  
PGOOD  
Active-Termination Buses  
PGND  
GND  
SHDN  
Chipset/Graphics Processor Supplies  
MODE  
SKIP  
FBSEL0  
FBSEL1  
REF  
V
DDQ  
(2.5V OR 1.8V)  
V
= V  
TTR  
REFOUT  
REFOUT  
SS  
REFIN  
TOFF  
Pin Configuration appears 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.  
1234567...24

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MAX1515ETG+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX1515ETG+T MAXIM

类似代替

 Switching Regulator, Current-mode, 4.7A, 1000kHz Switching Freq-Max, BICMOS, 4 X 4 MM, 0.8
MAX1515ETG MAXIM

类似代替

 Low-Voltage, Internal Switch, Step-Down/DDR Regulator
MAX1515ETG-T MAXIM

功能相似

 Switching Regulator, Current-mode, 4.7A, 1000kHz Switching Freq-Max, BICMOS, 4 X 4 MM, 0.8

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