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TLV70019DDCT

更新时间： 2024-11-26 11:44:23
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德州仪器 - TI 稳压器便携式便携式设备
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34页 936K
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200-mA, Low-IQ, Low-Dropout Regulator for Portable Devices

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TLV700xx  
www.ti.com  
SLVSA00C –SEPTEMBER 2009–REVISED JULY 2011  
200-mA, Low-IQ, Low-Dropout Regulator for Portable Devices  
1
FEATURES  
DESCRIPTION  
The TLV700xx series of low-dropout (LDO) linear  
regulators are low quiescent current devices with  
excellent line and load transient performance. These  
LDOs are designed for power-sensitive applications.  
A precision bandgap and error amplifier provides  
overall 2% accuracy. Low output noise, very high  
power-supply rejection ratio (PSRR), and low dropout  
voltage make this series of devices ideal for most  
battery-operated handheld equipment. All device  
versions have thermal shutdown and current limit for  
safety.  
234  
•
Very Low Dropout:  
–
–
–
43 mV at IOUT = 50 mA, VOUT = 2.8 V  
85 mV at IOUT = 100 mA, VOUT = 2.8 V  
175 mV at IOUT = 200 mA, VOUT = 2.35 V  
•
2% Accuracy  
•
•
Low IQ: 31 μA  
Available in Fixed-Output Voltages from 1.2 V  
to 4.8 V  
•
•
•
•
High PSRR: 68 dB at 1 kHz  
Stable with Effective Capacitance of 0.1 μF(1)  
Furthermore, these devices are stable with an  
effective output capacitance of only 0.1 μF. This  
feature enables the use of cost-effective capacitors  
that have higher bias voltages and temperature  
derating. The devices regulate to specified accuracy  
with no output load.  
Thermal Shutdown and Overcurrent Protection  
Available in 1,5-mm × 1,5-mm SON-6, SOT23-5,  
and SC-70 Packages  
(1)  
See the Input and Output Capacitor Requirements in the  
Application Information section.  
The TLV700xx series of LDOs are available in  
1,5-mm x 1,5-mm SON-6, TSOT23-5, and SC-70  
packages.  
APPLICATIONS  
•
•
•
•
•
•
•
Wireless Handsets  
space  
space  
Smart Phones, PDAs  
MP3 Players  
ZigBee® Networks  
Bluetooth® Devices  
VIN  
VOUT  
IN  
OUT  
1 mF  
Ceramic  
CIN  
COUT  
TLV700xx  
Li-Ion Operated Handheld Products  
WLAN and Other PC Add-on Cards  
On  
EN  
Off  
GND  
TLV700xxDDC  
TSOT23-5  
(TOP VIEW)  
Typical Application Circuit (Fixed-Voltage  
Versions)  
IN  
GND  
EN  
1
2
3
5
4
OUT  
N/C  
TLV700xx DSE  
1,5-mm x 1,5-mm SON  
(TOP VIEW)  
IN  
GND  
OUT  
1
2
3
6
5
4
EN  
N/C  
N/C  
TLV700xx DCK  
SC70-5 PACKAGE  
(TOP VIEW)  
1
2
3
5
4
OUT  
IN  
GND  
EN  
N/C  
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
Bluetooth is a registered trademark of Bluetooth SIG.  
ZigBee is a registered trademark of the ZigBee Alliance.  
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 © 2009–2011, Texas Instruments Incorporated  
 
 
 
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TLV70019DDCT 替代型号

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TLV70019DDCR TI

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