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TPS79318DBVTG4

更新时间： 2024-02-29 23:28:15
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ULTRALOW-NOISE, HIGH PSRR, FAST RF 200mA LOW-DROPOUT LINEAR REGULATORS IN NanoStar WAFER CHIP SCALE AND SOT23

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TPS79318DBVTG4 数据手册

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TPS793xx  
www.ti.com  
SLVS348K–JULY 2001–REVISED OCTOBER 2007  
ULTRALOW-NOISE, HIGH PSRR, FAST RF 200mA LOW-DROPOUT LINEAR  
REGULATORS IN NanoStar™ WAFER CHIP SCALE AND SOT23  
1
FEATURES  
DESCRIPTION  
234  
•
200mA RF Low-Dropout Regulator  
With Enable  
The TPS793xx family of low-dropout (LDO)  
low-power linear voltage regulators features high  
power-supply rejection ratio (PSRR), ultralow-noise,  
fast start-up, and excellent line and load transient  
responses in NanoStar wafer chip scale and SOT23  
packages. NanoStar packaging gives an ultrasmall  
footprint as well as an ultralow profile and package  
weight, making it ideal for portable applications such  
as handsets and PDAs. Each device in the family is  
stable, with a small 2.2μF ceramic capacitor on the  
output. The TPS793xx family uses an advanced,  
proprietary BiCMOS fabrication process to yield  
extremely low dropout voltages (for example, 112mV  
at 200mA, TPS79330). Each device achieves fast  
start-up times (approximately 50μs with a 0.001μF  
bypass capacitor) while consuming very low  
quiescent current (170μA typical). Moreover, when  
the device is placed in standby mode, the supply  
current is reduced to less than 1μA. The TPS79328  
exhibits approximately 32μVRMS of output voltage  
noise at 2.8V output with a 0.1μF bypass capacitor.  
Applications with analog components that are  
noise-sensitive, such as portable RF electronics,  
benefit from the high PSRR and low-noise features  
as well as the fast response time.  
•
Available in Fixed Voltage Versions from 1.8V  
to 4.75V and Adjustable (1.22V to 5.5V)  
•
•
•
•
•
•
High PSRR (70dB at 10kHz)  
Ultralow-Noise (32μVRMS, TPS79328)  
Fast Start-Up Time (50μs)  
Stable With a 2.2μF Ceramic Capacitor  
Excellent Load/Line Transient Response  
Very Low Dropout Voltage (112mV at 200mA,  
TPS79330)  
•
5- and 6-Pin SOT23 (DBV) and NanoStar Wafer  
Chip Scale (YEQ, YZQ) Packages  
APPLICATIONS  
•
•
•
•
•
RF: VCOs, Receivers, ADCs  
Audio  
Cellular and Cordless Telephones  
Bluetooth®, Wireless LAN  
Handheld Organizers, PDAs  
DBV PACKAGE  
(TOP VIEW)  
TPS79328  
TPS79328  
OUT  
NR  
IN  
1
2
5
RIPPLE REJECTION  
vs  
OUTPUT SPECTRAL NOISE DENSITY  
vs  
GND  
FREQUENCY  
FREQUENCY  
0.30  
3
4
100  
90  
EN  
V
= 3.8 V  
= 2.2 µF  
= 0.1 µF  
IN  
I
= 200 mA  
OUT  
Fixed Option  
C
C
OUT  
0.25  
0.20  
80  
NR  
DBV PACKAGE  
(TOP VIEW)  
70  
IN  
GND  
EN  
OUT  
FB  
1
2
6
5
60  
0.15  
50  
40  
30  
I
= 1 mA  
OUT  
I
= 10 mA  
OUT  
3
4
NR  
0.10  
0.05  
I
= 200 mA  
Adjustable Option  
YEQ, YZQ  
OUT  
20  
10  
0
V
C
C
= 3.8 V  
= 10 µF  
= 0.01 µF  
IN  
PACKAGE  
(TOP VIEW)  
OUT  
NR  
0
IN  
OUT  
100  
1 k  
10 k  
100 k  
10  
100  
1 k  
10 k 100 k 1 M 10 M  
C3 C1  
B2  
A3 A1  
Frequency (Hz)  
Frequency (Hz)  
NR  
GND  
EN  
Figure 1.  
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
3
4
NanoStar is a trademark of Texas Instruments.  
Bluetooth is a registered trademark of Bluetooth SIG, Inc.  
All other trademarks are the property of their respective owners.  
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 © 2001–2007, Texas Instruments Incorporated  
1234567...20

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TPS79318DBVTG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS79318DBVT TI

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 ULTRALOW-NOISE, HIGH PSRR, FAST RF 200-mA LOW-DROPOUT LINEAR REGULATORS IN NANOSTAR? WAFER
TPS79318DBVR TI

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 ULTRALOW-NOISE, HIGH PSRR, FAST RF 200-mA LOW-DROPOUT LINEAR REGULATORS IN NANOSTAR? WAFER

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