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TPS7A33

更新时间： 2024-10-04 11:45:55
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德州仪器 - TI 稳压器
页数 文件大小 规格书
22页 592K
描述
–36-V, –1-A, Ultralow-Noise Negative Voltage Regulator

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TPS7A33 数据手册

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TPS7A33  
www.ti.com  
SBVS169B –DECEMBER 2011–REVISED MARCH 2012  
–36-V, –1-A, Ultralow-Noise Negative Voltage Regulator  
1
FEATURES  
DESCRIPTION  
The TPS7A33 series of linear regulators are negative  
voltage (–36 V), ultralow-noise (16 μVRMS, 72 dB  
2
•
•
Input Voltage Range: –3 V to –36 V  
Noise:  
PSRR) linear regulators capable of sourcing  
maximum load of 1 A.  
a
–
16 μVRMS (10 Hz to 100 kHz)  
Power-Supply Ripple Rejection:  
72 dB (10 kHz)  
•
The TPS7A33 series include a complementary metal  
oxide semiconductor (CMOS) logic-level-compatible  
enable pin (EN) to allow for user-customizable power  
management schemes. Other features available  
include built-in current limit and thermal shutdown  
features to protect the device and system during fault  
conditions.  
–
•
•
•
•
Adjustable Output: –1.18 V to –33 V  
Maximum Output Current: 1 A  
Stable with Ceramic Capacitors ≥ 10 μF  
Built-In Current-Limit and Thermal Shutdown  
Protection  
The TPS7A33 family is designed using bipolar  
technology primarily for high-accuracy, high-precision  
instrumentation applications, where clean voltage  
rails are critical to maximize system performance.  
This feature makes it ideal to power operational  
amplifiers, analog-to-digital converters (ADCs),  
digital-to-analog converters (DACs), and other high-  
performance analog circuitry.  
•
•
Available in an External Heatsink-Capable,  
High Thermal Performance TO-220 Package  
Operating Temperature Range:  
–40°C to +125°C  
APPLICATIONS  
•
Supply Rails for Op Amps, DACs, ADCs, and  
Other High-Precision Analog Circuitry  
In addition, the TPS7A33 family of linear regulators is  
suitable for post dc-dc converter regulation. By  
filtering out the output voltage ripple inherent to dc-dc  
switching conversion, maximum system performance  
is ensured in sensitive instrumentation, medical, test  
and measurement, audio, and RF applications.  
•
•
Audio  
Post DC/DC Converter Regulation and Ripple  
Filtering  
•
•
•
•
•
Test and Measurement  
Medical  
Industrial Instrumentation  
Base Stations and Telecom Infrastructure  
12-V and 24-V Industrial Buses  
IN  
OUT  
+15 V  
+18 V  
+LDO  
EN  
GND  
KC PACKAGE  
TO-220-7  
(Top View)  
RGW PACKAGE  
5-mm ´ 5-mm QFN-20  
(Top View)  
-18 V  
IN  
OUT  
-15 V  
TPS7A33  
-LDO  
GND  
EN  
EVM  
Typical Application: Post DC/DC Converter  
Regulation for High-Performance Analog Circuitry  
OUT  
NC  
FB  
1
2
3
4
5
15  
14  
13  
12  
11  
IN  
NR/SS  
EN  
GND  
1
2 3 4  
5
6 7  
NC  
NC  
NC  
NC  
EN  
IN  
NC FB  
NR/SS GND OUT  
NOTE: RGW package is product preview.  
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.  
All trademarks are the property of their respective owners.  
2
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011–2012, Texas Instruments Incorporated  
 
 
 
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