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TL1963A-15DCQR PDF预览

TL1963A-15DCQR

更新时间： 2024-11-22 05:52:07
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
27页 831K
描述
1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR

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TL1963A-15DCQR 数据手册

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TL1963A-xx  
www.ti.com........................................................................................................................................................ SLVS719E –JUNE 2008–REVISED AUGUST 2009  
1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR  
1
FEATURES  
DCQ PACKAGE  
(TOP VIEW)  
2
•
•
•
•
•
•
•
•
Optimized for Fast Transient Response  
Output Current: 1.5 A  
5
4
3
2
1
SENSE/ADJ  
OUT  
Dropout Voltage: 340 mV  
6
GND  
Low Noise: 40 μVRMS (10 Hz to 100 kHz)  
1-mA Quiescent Current  
IN  
SHDN  
No Protection Diodes Needed  
Controlled Quiescent Current in Dropout  
DCY PACKAGE  
(TOP VIEW)  
Fixed Output Voltages: 1.5 V, 1.8 V, 2.5 V,  
and 3.3 V  
3
OUT  
GND  
IN  
4
2
1
•
•
Adjustable Output Voltage: 1.21 V to 20 V  
Less Than 1-μA Quiescent Current in  
Shutdown  
•
•
•
•
•
Stable with 10-μF Output Capacitor  
Stable with Ceramic Capacitors  
Reverse-Battery Protection  
No Reverse Current  
KTT PACKAGE  
(TOP VIEW)  
SENSE/ADJ  
5
4
3
2
1
OUT  
GND  
IN  
Thermal Limiting  
SHDN  
APPLICATIONS  
•
3.3-V to 2.5-V Logic Power Supplies  
•
Post Regulator for Switching Supplies  
DESCRIPTION/ORDERING INFORMATION  
The TL1963A-xx is a low-dropout (LDO) regulator optimized for fast transient response. The device can supply  
1.5 A of output current with a dropout voltage of 340 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 it does with many other  
regulators. In addition to fast transient response, the TL1963A-xx regulators have very low output noise, which  
makes them ideal for sensitive RF supply applications.  
Output voltage range is from 1.21 V to 20 V. The TL1963A-xx 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 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, and 3.3 V,  
and as an adjustable device with a 1.21-V reference voltage. The TL1963A-xx regulators are available in the  
5-pin TO-263 (KTT), 6-pin TO-223 (DCQ), and 3-pin SOT-223 (DCY) packages.  
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 © 2008–2009, Texas Instruments Incorporated  
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TL1963A-15DCQR 替代型号

型号 品牌 替代类型 描述 数据表
TPS7A4515DCQT TI

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 1.5-A, 20-V, ultra-low-dropout voltage regulator with reverse current protection &
TPS7A4515DCQR TI

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 LOW-NOISE FAST-TRANSIENT-RESPONSE 1.5-A LDO VOLTAGE REGULATORS
TL1963A-15DCQT TI

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 1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR

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