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MAX1793EUE18+ PDF预览

MAX1793EUE18+

更新时间: 2024-01-27 11:13:51
品牌 Logo 应用领域
美信 - MAXIM 光电二极管输出元件调节器
页数 文件大小 规格书
11页 319K
描述
Fixed/Adjustable Positive LDO Regulator, 1.25V Min, 5V Max, PMOS, PDSO16, 1.10 MM HEIGHT, TSSOP-16

MAX1793EUE18+ 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:TSSOP
包装说明:HTSSOP, TSSOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.45Is Samacsys:N
可调性:FIXED/ADJUSTABLE最大绝对输入电压:6 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:5 mm最大电网调整率:0.0097%
最大电网调整率 (%/V):0.15湿度敏感等级:1
功能数量:1输出次数:1
端子数量:16工作温度TJ-Max:150 °C
最大输出电流 1:1 A最大输出电压 1:5 V
最小输出电压 1:1.25 V标称输出电压 1:1.8 V
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified调节器类型:FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:1.1 mm子类别:Other Regulators
表面贴装:YES技术:PMOS
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最大电压容差:3%
宽度:4.4 mmBase Number Matches:1

MAX1793EUE18+ 数据手册

 浏览型号MAX1793EUE18+的Datasheet PDF文件第4页浏览型号MAX1793EUE18+的Datasheet PDF文件第5页浏览型号MAX1793EUE18+的Datasheet PDF文件第6页浏览型号MAX1793EUE18+的Datasheet PDF文件第8页浏览型号MAX1793EUE18+的Datasheet PDF文件第9页浏览型号MAX1793EUE18+的Datasheet PDF文件第10页 
Low-Dropout, Low I , 1A Linear Regulator  
Q
MAX1793  
lower, allowing more current to pass and increase the  
Detailed Description  
output voltage. If the feedback voltage is high, the pass  
The MAX1793 features Dual Mode™ operation, allow-  
transistor’s gate is pulled up, allowing less current to  
ing a fixed output or an adjustable output from +1.25V  
to +5V. The regulators are guaranteed to supply 1A of  
output current.  
pass to the output. The low V  
comparator senses  
OUT  
when the feedback voltage has dropped 6ꢀ below its  
expected level, causing RST to go low.  
As Figure 1 shows, the device consists of a +1.25V ref-  
erence, error amplifier, MOSFET driver, p-channel pass  
transistor, internal feedback voltage-divider, Dual Mode  
comparator, and 4ms reset output.  
The output voltage is fed back through either an inter-  
nal resistor-divider connected to OUT or an external  
resistor network connected to SET. The Dual Mode  
comparator examines V  
and selects the feedback  
SET  
The +1.25V reference is connected to the inverting  
input of the error amplifier. The error amplifier com-  
pares this reference with the selected feedback voltage  
and amplifies the difference. The MOSFET driver reads  
the error signal and applies the appropriate drive to the  
p-channel transistor. If the feedback voltage is lower  
than the reference, the pass transistor’s gate is pulled  
path. If V  
is below 50mV, the internal feedback path  
is used and the output is regulated to the factory-preset  
SET  
voltage.  
Dual Mode is a trademark of Maxim Integrated Products, Inc.  
IN  
SHUTDOWN  
THERMAL  
SENSOR  
MOSFET DRIVER  
WITH FOLDBACK  
CURRENT LIMIT  
ERROR AMP  
PMOS  
SHUTDOWN  
LOGIC  
SHDN  
OUT  
94% V  
OUT  
DETECTOR  
4ms DELAY TIMER  
IN  
RST  
NMOS  
OUT  
1.25V  
REFERENCE  
1175mV  
4ms  
SET  
R1  
MAX1793  
100mV  
DUAL MODE  
COMPARATOR  
R2  
GND  
Figure 1. Functional Diagram  
_______________________________________________________________________________________  
7

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