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参数资料
| 型号： | LSP3105L18AD |
| 厂商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO10 |
| 封装： | 3 X 3 MM, TDFN-10 |
| 文件页数： | 1/8页 |
| 文件大小： | 652K |
| 代理商： | LSP3105L18AD |
Liteon Semiconductor Corporation
LSP3105
2A Synchronous TDFN3*3-10L Step-Down Converter
Rev1.0
1/8
APPLICATIONS
Microprocessor and DSP core power supplies
Cellular and smart Phones
Wireless and DSL Modems
Portable Instruments
Figure1. Typical Application Circuit and Efficiency
FEATURES
High Efficiency - Up to 95%
Low 300A Quiescent Current
Guaranteed 2A Output Current
1.2MHz Constant Frequency Operation
Internal Synchronous Rectifier Eliminates Schottky
Diode
2.5V to 6V input voltage range
Adjustable Output Voltages From 0.6V to VIN
Fixed Output Voltage Options Available
100% Duty Cycle Low-Dropout Operation
<1A Shutdown Current
Soft start function
Short circuit protection
Thermal shutdown protection
TDFN3*3-10L Package
GENERAL DESCRIPTION
The LSP3105 is a fixed-frequency current-mode
synchronous PWM step down converter that is capable
of delivering 2A of output current while achieving peak
efficiency of 95%.LSP3105 operates in a 100% Duty
Cycle Low-Dropout Operation, maximizing battery life in
portable applications. The LSP3105 operates with a
fixed frequency of 1.2MHz, allowing the use of small
external components. The LSP3105 is an ideal solution
for applications powered by Li-Ion batteries or other
portable applications that require small board space.
The LSP3105 is available in 1.8V fixed output voltage
and an adjustable output voltage version capable of
generating output voltages from 0.6V to VIN .The
LSP3105 is available in the small TDFN3*3-10L
package.
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