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MAX1797 PDF预览

MAX1797

更新时间: 2024-02-21 00:26:59
品牌 Logo 应用领域
美信 - MAXIM 转换器
页数 文件大小 规格书
13页 398K
描述
Low Supply Current, Step-Up DC-DC Converters with True-Shutdown

MAX1797 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:0.86
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

MAX1797 数据手册

 浏览型号MAX1797的Datasheet PDF文件第3页浏览型号MAX1797的Datasheet PDF文件第4页浏览型号MAX1797的Datasheet PDF文件第5页浏览型号MAX1797的Datasheet PDF文件第7页浏览型号MAX1797的Datasheet PDF文件第8页浏览型号MAX1797的Datasheet PDF文件第9页 
Low Supply Current, Step-Up DC-DC Converters  
with True-Shutdown  
Typical Operating Characteristics (continued)  
(L = 22µH, C = 47µF, C  
= 47µF, T = +25°C, unless otherwise noted.)  
A
IN  
OUT  
MAX1795  
MAXIMUM OUTPUT CURRENT  
vs. BATT INPUT VOLTAGE  
LOW-BATTERY INPUT THRESHOLD  
vs. TEMPERATURE  
LOW-BATTERY INPUT THRESHOLD  
vs. INPUT BATT VOLTAGE  
0.950  
0.925  
0.900  
0.875  
0.850  
0.825  
0.800  
0.950  
0.925  
0.900  
0.875  
0.850  
0.825  
0.800  
250  
200  
150  
100  
50  
V
= +3.6V  
BATT  
V
= +3.3V  
OUT  
INCREASING V  
DECREASING V  
LBI  
INCREASING V  
LBI  
V
= +5.0V  
OUT  
LBI  
DECREASING V  
LBI  
0
-40  
-15  
10  
35  
60  
85  
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
BATT VOLTAGE (V)  
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5  
BATT VOLTAGE (V)  
TEMPERATURE (°C)  
MAX1797  
MAX1796  
MAXIMUM OUTPUT CURRENT  
vs. BATT INPUT VOLTAGE  
MAXIMUM OUTPUT CURRENT  
vs. BATT INPUT VOLTAGE  
1000  
500  
400  
300  
200  
100  
0
800  
600  
400  
200  
0
V
= +3.3V  
OUT  
V
= +3.3V  
OUT  
V
OUT  
= +5.0V  
V
= +5.0V  
OUT  
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5  
BATT VOLTAGE (V)  
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5  
BATT VOLTAGE (V)  
OUT LEAKAGE CURRENT  
vs. OUTPUT VOLTAGE  
HEAVY-LOAD SWITCHING WAVEFORMS  
MAX1795/96/97 toc16  
2.0  
1.6  
1.2  
0.8  
0.4  
0
SHDN = BATT  
V
V
V
= +5V  
LX  
5V/div  
OUT  
BATT  
= +2.4V  
I
INDUCTOR  
500mA/div  
V
OUT  
(AC-COUPLED)  
OUT BIASED WITH  
EXTERNAL VOLTAGE  
SOURCE  
100mV/div  
4.00µs/div  
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
OUTPUT VOLTAGE (V)  
V
V
= +3.6V  
IN  
= +5.0V  
OUT  
LOAD  
I
= 400mA  
6
_______________________________________________________________________________________  

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