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REG710-33 Datasheet

  • REG710-33

  • 具有固定 3.3V 輸出的 30mA 開關(guān)電容 DC-DC 轉(zhuǎn)換器

  • 406.79KB

  • 15頁

  • TI

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REG710
SBAS221E 鈭?DECEMBER 2001 鈭?REVISED SEPTEMBER 2003
60mA Switched Cap
BUCK/BOOST CONVERTER
FEATURES
D
Wide Input Range: 1.8V to 5.5V
D
Automatic Step-Up/Step-Down Operation
D
Low Input Current Ripple
D
Low Output Voltage Ripple
D
Minimum Number of External
D
D
D
D
D
D
Components錚o Inductors
1MHz Internal Oscillator Allows Small
Capacitors
Shutdown Mode
Thermal and Current Limit Protection
Six Output Voltages Available:
5.5V, 5.0V, 3.3V, 3.0V, 2.7V, 2.5V
Small Packages:
鈭?SOT23-6
鈭?TSOT23-6 (REG71055 and REG71050 Only)
Evaluation Modules Available:
REG710EVM-33, REG710EVM-5
DESCRIPTION
The REG710 is a switched capacitor voltage converter,
that produces a regulated, low-ripple output voltage from
an unregulated input voltage. A wide-input supply voltage
of 1.8V to 5.5V makes the REG710 ideal for a variety of
battery sources, such as single cell Li-Ion, or two and three
cell nickel- or alkaline-based chemistries.
The input voltage may vary above and below the output
voltage and the output will remain in regulation. It works
equally well for step-up or step-down applications without
the need for an inductor, providing low EMI DC/DC
conversion. The high switching frequency allows the use
of small surface-mount capacitors, saving board space
and reducing cost. The REG710 is thermally protected and
current limited, protecting the load and the regulator during
fault conditions. Typical ground pin current (quiescent
current) is 65碌A(chǔ) with no load, and less than 1碌A(chǔ) in
shutdown mode. The 5.5V version of the REG710 is
available in a thin TSOT23-6 package. All other versions
are available in a small SOT23-6 package.
APPLICATIONS
D
Smart Card Readers
D
SIM Card Supplies
D
Cellular Phones
D
Portable Communication Devices
D
Personal Digital Assistants
D
Notebook and Palm-Top Computers
D
Modems
D
Electronic Games
D
Handheld Meters
D
PCMCIA Cards
D
Card Buses
D
White LED Drivers
D
LCD Displays
D
Battery Backup Supplies
C
PUMP
0.22碌F
Enable
3.3V to
4.2V
REG71050
REG710鈭?/div>
5
C
IN
2.2碌F
GND
C
OUT
2.2碌F
R
R
R
LED
LED
LED
REG710 Used in White LED Backlight Application
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.
PRODUCTION DATA information is 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
錚?/div>
2001鈭?003, Texas Instruments Incorporated
www.ti.com

REG710-33 PDF文件相關(guān)型號

SLK2511A,SN0401093,SN54LVT8980A,SN65C3232E

REG710-33相關(guān)型號PDF文件下載

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