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MAX1715EEI-T

更新时间： 2024-09-18 21:19:07
品牌 Logo 应用领域
美信 - MAXIM 开关光电二极管
页数 文件大小 规格书
25页 377K
描述
Dual Switching Controller, Current-mode, 620kHz Switching Freq-Max, PDSO28, 0.150 INCH, 0.025 INCH PITCH, MO-137AD QSOP-28

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MAX1715EEI-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：SSOP
包装说明：0.150 INCH, 0.025 INCH PITCH, MO-137AD QSOP-28针数：28
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.18
模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：4.5 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G28JESD-609代码：e0
长度：9.89 mm湿度敏感等级：1
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SSOP28,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：245
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：PUSH-PULL最大切换频率：620 kHz
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn85Pb15)
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 mmBase Number Matches：1

MAX1715EEI-T 数据手册

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19-1541; Rev 1; 5/00  
Ultra-High Efficiency, Dual Step-Down  
Controller for Notebook Computers  
General Description  
Features  
The MAX1715 PWM controller provides the high effi-  
ciency, excellent transient response, and high DC out-  
put accuracy needed for stepping down high-voltage  
batteries to generate low-voltage CPU core, I/O, and  
chipset RAM supplies in notebook computers.  
o Ultra-High Efficiency  
o No Current-Sense Resistor (lossless I  
)
LIMIT  
o Quick-PWM with 100ns Load-Step Response  
o 1% V Accuracy over Line and Load  
OUT  
Maxim’s proprietary Quick-PWM™ quick-response,  
constant-on-time PWM control scheme handles wide  
input/output voltage ratios with ease and provides  
100ns “instant-on” response to load transients while  
maintaining a relatively constant switching frequency.  
o Dual-Mode Fixed 1.8V/3.3V/Adj or 2.5V/Adj Outputs  
o Adjustable 1V to 5.5V Output Range  
o 2V to 28V Battery Input Range  
The MAX1715 achieves high efficiency at a reduced  
cost by eliminating the current-sense resistor found in  
traditional current-mode PWMs. Efficiency is further  
enhanced by its ability to drive very large synchronous-  
rectifier MOSFETs.  
o 200/300/420/540kHz Nominal Switching Frequency  
o Over/Undervoltage Protection  
o 1.7ms Digital Soft-Start  
o Drives Large Synchronous-Rectifier FETs  
o Power-Good Indicator  
Single-stage buck conversion allows this device to  
directly step down high-voltage batteries for the highest  
possible efficiency. Alternatively, two-stage conversion  
(stepping down the +5V system supply instead of the  
battery) at a higher switching frequency allows the mini-  
mum possible physical size.  
Ordering Information  
The MAX1715 is intended for CPU core, chipset,  
DRAM, or other low-voltage supplies as low as 1V. The  
MAX1715 is available in a 28-pin QSOP package. For  
applications requiring VID compliance or DAC control  
of output voltage, refer to the MAX1710/MAX1711 data  
sheet. For a single-output version, refer to the MAX1714  
data sheet.  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX1715EEI  
-40°C to +85°C  
28 QSOP  
Minimal Operating Circuit  
Applications  
Notebook Computers  
5V INPUT  
BATTERY  
CPU Core Supply  
4.5V TO 28V  
V
V
V+  
DD  
Chipset/RAM Supply as Low as 1V  
1.8V and 2.5V I/O Supply  
CC  
MAX1715  
ILIM1  
ILIM2  
ON1  
ON2  
BST1  
DH1  
LX1  
BST2  
DH2  
OUTPUT1  
1.8V  
OUTPUT2  
2.5V  
LX2  
Pin Configuration appears at end of data sheet.  
DL1  
TON  
DL2  
PGND  
OUT2  
SKIP  
OUT1  
PGOOD  
REF  
FB1 AGND FB2  
Quick-PWM is a trademark of Maxim Integrated Products.  
________________________________________________________________ Maxim Integrated Products  
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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MAX1715EEI-T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1715EEI+T MAXIM

类似代替

 Dual Switching Controller, Current-mode, 620kHz Switching Freq-Max, PDSO28, 0.150 INCH, 0.
MAX1715EEI MAXIM

功能相似

 Ultra-High Efficiency, Dual Step-Down Controller for Notebook Computers

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