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MAX8815AETB+

更新时间： 2024-01-10 15:04:05
品牌 Logo 应用领域
美信 - MAXIM 转换器稳压器开关式稳压器或控制器电源电路开关式控制器信息通信管理升压转换器
页数 文件大小 规格书
12页 288K
描述
1A, 97% Efficiency, 30レA Quiescent Current Step-Up Converter with True Shutdown

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MAX8815AETB+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：SON, SOLCC10,.12,20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：17 weeks
风险等级：1.78Samacsys Description：Boost Switching Regulator IC Positive Adjustable (Fixed) 3.3V (5V) 1 Output 2.75A (Switch) 10-WFDFN Exposed Pad
控制模式：CURRENT-MODEJESD-30 代码：R-PDSO-N10
JESD-609代码：e3湿度敏感等级：1
端子数量：10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：SON封装等效代码：SOLCC10,.12,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：225认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：2200 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：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED

MAX8815AETB+ 数据手册

 浏览型号MAX8815AETB+的Datasheet PDF文件第2页浏览型号MAX8815AETB+的Datasheet PDF文件第3页浏览型号MAX8815AETB+的Datasheet PDF文件第4页浏览型号MAX8815AETB+的Datasheet PDF文件第5页浏览型号MAX8815AETB+的Datasheet PDF文件第6页浏览型号MAX8815AETB+的Datasheet PDF文件第7页 
19-4092; Rev 0; 5/08  
EVALUATION KIT  
AVAILABLE  
1A, 97% Efficiency, 30µA Quiescent Current  
Step-Up Converter with True Shutdown  
MX815A  
General Description  
Features  
The MAX8815A DC-DC step-up converter is a high-effi-  
ciency, low quiescent current, synchronous step-up  
converter with True Shutdown™ and inrush-current lim-  
iting. The MAX8815A generates any output voltage  
from 3.3V to 5V from a 2-cell NiMH/NiCd or a single-cell  
Li+/Li polymer battery.  
♦ Up to 97% Efficiency with Internal Synchronous  
Rectifier  
♦ Low 30µA Quiescent Current  
♦ Guaranteed 500mA Output Current at V  
= 5V  
OUT  
from 1.8V Input  
♦ Guaranteed 1A Output Current at 5V from 2.5V  
The MAX8815A uses two modes of operation. The first  
mode of operation (normal) uses only 30µA (typ) quies-  
cent current and allows the converter to switch only  
when needed at no load and light loads. Under moder-  
ate and heavy loads (typically above 90mA), the  
MAX8815A uses a fixed-frequency pulse-width modula-  
tion (PWM) technique. This mode allows maximum effi-  
ciency at light loads. The second mode of operation is  
a fixed-frequency forced-pulse-width modulation  
(FPWM) mode where the converter switches at a fixed  
frequency irrespective of the load. This mode allows for  
easy noise filtering and lower output ripple.  
Input  
♦ Low-Noise Constant Frequency Operation (FPWM  
Mode)  
♦ 2MHz PWM Switching Frequency  
♦ Preset (5V) or Adjustable Output  
♦ Controlled Current in Soft-Start Limits Inrush  
Current  
♦ True Shutdown  
♦ Internal Compensation  
♦ Overload/Short-Circuit Protection  
♦ 0.1µA Shutdown Current  
♦ Thermal Shutdown  
The MAX8815A has a preset 2.5A current limit, allowing  
500mA load at 1.8V input and 1A load at 2.5V input when  
the output is set to 5V. Features include soft-start, which  
limits inrush current during startup, True Shutdown, and  
internal compensation. The MAX8815A is available in a  
compact 10-pin, 3mm x 3mm TDFN package.  
♦ Compact 10-Pin, 3mm x 3mm TDFN Package  
The MAX8815A evaluation kit can help shorten the time  
required for system design.  
Ordering Information  
PART  
PIN-PACKAGE  
TOP MARK  
Applications  
MAX8815AETB+  
10 TDFN-EP*  
AUH  
+Denotes a lead-free package.  
*EP = Exposed pad.  
DSC and DVC  
Microprocessor/DSP Core Power  
Cell Phones, PDAs, MP3 Players  
Portable Handheld Devices  
Note: This device operates in the -40°C to +85°C extended  
operating temperature range.  
PCMCIA Cards  
Typical Operating Circuit  
True Shutdown is a trademark of Maxim Integrated Products, Inc.  
Pin Configuration  
INPUT VOLTAGE  
1.2V TO 5.5V  
TOP VIEW  
BATT  
ON  
LX  
OUTPUT VOLTAGE  
5V UP TO 1A  
9
8
7
10  
6
POUT  
MAX8815A  
OUTS  
FB  
MAX8815A  
+
SKIPB  
GND  
1
2
3
5
4
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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