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TPS7A4518KTTT

更新时间： 2024-11-20 04:09:59
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德州仪器 - TI 稳压器
页数 文件大小 规格书
25页 816K
描述
LOW-NOISE FAST-TRANSIENT-RESPONSE 1.5-A LDO VOLTAGE REGULATORS

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TPS7A4518KTTT 技术参数

是否无铅： 含铅生命周期：Obsolete
零件包装代码：TO-263包装说明：TO-263, SMSIP5H,.6,67TB
针数：2Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.33可调性：FIXED
最大回动电压 1：0.45 V标称回动电压 1：0.3 V
最大绝对输入电压：20 V最大输入电压：20 V
最小输入电压：2.3 VJESD-30 代码：R-PSSO-G5
长度：10.16 mm最大电网调整率：0.007%
最大负载调整率：0.02%功能数量：1
输出次数：1端子数量：5
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：1.5 A最大输出电压 1：1.854 V
最小输出电压 1：1.737 V标称输出电压 1：1.8 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-263
封装等效代码：SMSIP5H,.6,67TB封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TAPE AND REEL
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：5.13 mm子类别：Other Regulators
表面贴装：YES技术：BIPOLAR
端子形式：GULL WING端子节距：1.7 mm
端子位置：SINGLE最大电压容差：3%
宽度：8.925 mmBase Number Matches：1

TPS7A4518KTTT 数据手册

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TPS7A45xx  
www.ti.com ........................................................................................................................................................ SLVS720A–JUNE 2008–REVISED AUGUST 2008  
LOW-NOISE FAST-TRANSIENT-RESPONSE 1.5-A LDO VOLTAGE REGULATORS  
1
FEATURES  
DESCRIPTION  
2
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•
•
•
•
•
•
•
•
•
•
Optimized for Fast Transient Response  
Output Current: 1.5 A  
The TPS7A45xx devices are low-dropout (LDO)  
regulators optimized for fast transient response. The  
device can supply 1.5 A of output current with a  
dropout voltage of 300 mV. Operating quiescent  
current is 1 mA, dropping to less than 1 µA in  
shutdown. Quiescent current is well controlled; it does  
not rise in dropout, as with many other regulators. In  
addition to fast transient response, the TPS7A45xx  
regulators have very low output noise, which makes  
them ideal for sensitive RF supply applications.  
High Output Voltage Accuracy : 1% at 25°C  
Dropout Voltage: 300 mV  
Low Noise: 35 µVRMS (10 Hz to 100 kHz)  
High Ripple Rejection: 68 dB  
1-mA Quiescent Current  
No Protection Diodes Needed  
Controlled Quiescent Current in Dropout  
Fixed Output Voltages: 1.5 V, 1.8 V, 2.5 V, 3.3 V  
Adjustable Output from 1.21 V to 20 V  
Output voltage range is from 1.21 V to 20 V. The  
TPS7A45xx regulators are stable with output  
capacitors as low as 10 µF. Small ceramic capacitors  
can be used without the necessary addition of ESR,  
as is common with other regulators. Internal  
Less Than 1-µA Quiescent Current in  
Shutdown  
•
•
•
•
•
Stable with 10-µF Output Capacitor  
Stable with Ceramic Capacitors  
Reverse-Battery Protection  
No Reverse Current  
protection  
circuitry  
includes  
reverse-battery  
protection, current limiting, thermal limiting, and  
reverse-current protection. The devices are available  
in fixed output voltages of 1.5 V, 1.8 V, 2.5 V, 3.3 V,  
and as an adjustable device with a 1.21-V reference  
voltage. The TPS7A45xx regulators are available in  
the 5-pin TO-263 (KTT) package.  
Thermal Limiting  
APPLICATIONS  
KTT PACKAGE  
(TOP VIEW)  
•
•
•
•
3.3-V to 2.5-V Logic Power Supplies  
Post Regulator for Switching Supplies  
Wireless Infrastructure  
SENSE/ADJ  
OUT  
5
4
3
2
1
Radio-Frequency Systems  
GND  
IN  
SHDN  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
PowerPAD, PowerFLEX are trademarks of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008, Texas Instruments Incorporated  
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