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PDF TS2122 Data sheet ( Hoja de datos )
| Número de pieza | TS2122 | |
| Descripción | Dual High-Efficiency PWM Step-Down DC/DC Converter | |
| Fabricantes | TECHSUN | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TS2122 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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TS2122
Dual High-Efficiency PWM Step-Down DC/DC Converter
FEATURES FOR EACH CHANNEL GENERAL DESCRIPTION
700mA Output Current
High Efficiency up to 95%
2.5V to 5.5V Input Range
Low Quiescent Current 130uA
Adjustable Output from 0.6V to VIN
No Schottky Diode Required
1.5MHz Constant Frequency Operation
Low Dropout Operation: 100% Duty Cycle
Small 12-Lead WDFN Package
RoHS Compliant and 100% Lead(Pb)-Free
APPLICATIONS
Personal Information Appliances
Mobile Phones
Wireless and DSL Modems
Portable Instruments
The TS2122 is a dual high-efficiency PWM step-
down DC-DC converter. It is capable of delivering
700mA output each channel over a wide input
voltage from 2.5V to 5.5V, the TS2122 is ideally
suited for portable electronic devices that are
powered from 1- cell Li-ion battery or from other
power sources within the range such as cellular
phones, PDAs and other handheld devices. The
switching ripple is easily smoothed-out by small
package filtering elements due to a fixed
operation frequency of 1.5MHz. This along with
small WDFN-12L 3X3 package provides small PCB
area application. Other features include soft
start, lower internal reference voltage with 2%
accuracy, over temperature protection, and over
current protection.
Figure 1 Typical Application Circuit for Adjustable Version
September, 2009 – Re1
1
TS2122
1 page  
TS2122
TYPICAL PERFORMANCE CHARACTERISTICS
(VIN=VEN=3.6V, L=2.2uH, CIN=4.7uF, COUT=10uF)
http:/www.techsumbeam.com
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet TS2122.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TS2122 | Dual High-Efficiency PWM Step-Down DC/DC Converter | TECHSUN |
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