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参数资料
| 型号： | REG710 |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 60MA SWITCHED CAP BUCK/BOOST CONVERTER |
| 中文描述： | 60mA的开关电容降压/升压变换器 |
| 文件页数： | 1/15页 |
| 文件大小： | 378K |
| 代理商： | REG710 |
SBAS221E DECEMBER 2001 REVISED SEPTEMBER 2003
FEATURES
Wide Input Range: 1.8V to 5.5V
Automatic Step-Up/Step-Down Operation
Low Input Current Ripple
Low Output Voltage Ripple
Minimum Number of External
Components
No 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:
SOT23-6
TSOT23-6 (REG71055 and REG71050 Only)
Evaluation Modules Available:
REG710EVM-33, REG710EVM-5
APPLICATIONS
Smart Card Readers
SIM Card Supplies
Cellular Phones
Portable Communication Devices
Personal Digital Assistants
Notebook and Palm-Top Computers
Modems
Electronic Games
Handheld Meters
PCMCIA Cards
Card Buses
White LED Drivers
LCD Displays
Battery Backup Supplies
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
μ
A with no load, and less than 1
μ
A 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.
REG710 Used in White LED Backlight Application
C
IN
2.2
μ
F
C
0.22
μ
F
3.3V to
4.2V
C
OUT
2.2
μ
F
R
LED
GND
Enable
REG71050
REG7105
LED
LED
R
R
www.ti.com
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.
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Copyright
20012003, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| REG710_07 | 制造商:BB 制造商全称:BB 功能描述:60mA Switched-Cap BUCK/BOOST CONVERTER |
| REG710_08 | 制造商:TI 制造商全称:Texas Instruments 功能描述:60mA, 5.0V, Buck/Boost Charge Pump in ThinSOT-23 and ThinQFN |
| REG710_1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:60mA, 5.0V, Buck/Boost Charge Pump in ThinSOT-23 and ThinQFN |
| REG710-25 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:30-mA Switched-Cap DC-DC Converter with fixed 2.5-V Output |
| REG710-27 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:30-mA Switched-Cap DC-DC Converter with fixed 2.7-V Output |
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