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PDF IT7801 Data sheet ( Hoja de datos )
| Número de pieza | IT7801 | |
| Descripción | 5V/1A High Efficiency Step-Down DC/DC Converter | |
| Fabricantes | M3TEK | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IT7801 (archivo pdf) en la parte inferior de esta página. Total 1 Páginas | ||
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M3TEK
IT7801
5V/1A High Efficiency Step-Down DC/DC Converter
Description
The IT7801 is a high efficiency synchronous
step-down DC-DC converter, optimized for
battery powered portable applications. It can
supply 1A of load current at input voltage
ranging from 2.5V to 6.0V and enter the power
saving mode operation at light load current to
maintain high efficiency over the entire load
current range. The IT7801 operates at a fixed
switching frequency of 1.5MHz, allowing the
use of small surface mount inductors and
capacitor. The devices are ideal for portable
applications powered by a single Li-Ion battery
cell or by 3-cell NiMH / NiCd batteries. With an
output voltage range from 6.0V down to 0.6V, it
also can support low voltage DSPs and
processors in PDAs, pocket PCs, as well as
notebooks and sub notebook computers.
Features
High Efficiency up to 95%
2.5V to 6.0V Input Voltage Range
1A Output Current
1.5MHz Constant Frequency Operation
Current Mode Operation
Internal Soft-start
Over-temperature/short Protection
100% Duty Cycle for Lowest Dropout
0.1µA Shutdown Current
RoHS Compliant (100% Green Available)
Applications
PDA, PMP, Pocket PC, and Smartphone
PDA and Smartphone
USB Powered Modems
Microprocessor and DSP Core Supply
Wireless and DSL Card
Portable Device
Typical Applications
Rev. 0.3.7
www.m3tekic.com
Figure 1. Typical Application Circuit
M3tekic Confidential
1
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet IT7801.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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