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MAX1795EUA+ PDF预览

MAX1795EUA+

更新时间: 2024-02-14 07:36:18
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
13页 2010K
描述
Switching Regulator, Voltage-mode, 1.5A, 500kHz Switching Freq-Max, BICMOS, PDSO8, UMAX-8

MAX1795EUA+ 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:TSSOP, TSSOP8,.19针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.44
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:5.5 V
最小输入电压:0.7 V标称输入电压:2 V
JESD-30 代码:S-PDSO-G8JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1.5 A封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.19
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BOOST
最大切换频率:500 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:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3 mmBase Number Matches:1

MAX1795EUA+ 数据手册

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MAX1795/MAX1796/  
MAX1797  
Low-Supply Current, Step-Up DC-DC Converters  
with True Shutdown  
General Description  
Features  
> 95% Efficiency  
The MAX1795/MAX1796/MAX1797 are high-efficiency,  
step-up DC-DC converters intended for small portable  
hand-held devices. These devices feature Maxim’s True  
Shutdown™ circuitry, which fully disconnects the out-  
put from the input in shutdown, improves efficiency,  
and eliminates costly external components. All three  
devices also feature Maxim’s proprietary LX-damping  
circuitry for reduced EMI in noise-sensitive applications.  
For additional in-system flexibility, a battery monitoring  
comparator (LBI/LBO) remains active even when the  
DC-DC converter is in shutdown.  
True-Shutdown Circuitry  
• Output Disconnects from Input in Shutdown  
• No External Schottky Diode Needed  
● 25μA Quiescent Supply Current  
Low-Noise Antiringing Feature  
LBI/LBO Comparator Enabled in Shutdown  
● 2μA Shutdown Current  
● 8-Pin μMAX Package  
The input voltage range is +0.7V to V  
, where V  
OUT  
OUT  
Ordering Information  
can be set from +2V to +5.5V. Startup is guaranteed  
from +0.85V. The MAX1795/MAX1796/MAX1797 have a  
preset, pin-selectable 5V or 3.3V output. The output can  
also be adjusted to other voltages, using two external  
resistors. The three devices differ only in their current  
limits, allowing optimization of external components for  
different loads: The MAX1795, MAX1796, and MAX1797  
have current limits of 0.25A, 0.5A, and 1A, respectively.  
All devices are packaged in a compact, 8-pin μMAX  
package that is only 1.09mm tall and half the size of an  
8-pin SO.  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
8 μMAX  
MAX1795EUA  
MAX1796EUA  
MAX1797EUA  
8 μMAX  
8 μMAX  
Applications  
Portable Digital Audio Players  
PDAs/Palmtops  
Wireless Handsets  
Portable Terminals  
Pin Configuration  
Typical Operating Circuit  
IN  
0.7V TO  
5.5V  
TOP VIEW  
BATT  
LX  
LBI  
FB  
1
2
3
4
8
7
6
5
BATT  
OUT  
LX  
MAX1795  
MAX1796  
MAX1797  
OUT  
FB  
OUT  
MAX1795  
MAX1796  
MAX1797  
LBI  
LBO  
LBO  
GND  
SHDN  
OFF  
SHDN  
µMAX  
ON  
GND  
True Shutdown is a trademark of Maxim Integrated Products.  
19-1798; Rev 0; 12/00  

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