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PDF IT7803 Data sheet ( Hoja de datos )
| Número de pieza | IT7803 | |
| Descripción | 5V/3A High Efficiency Step-Down DC/DC Converter | |
| Fabricantes | M3TEK | |
| Logotipo |  |
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M3TEK
IT7803
5V/3A High Efficiency Step-Down DC/DC Converter
Description
The IT7803 is a low-input voltage and
high-output current synchronous-buck PWM
converter and integrates with all required active
components. Its’ operating input voltage ranges
from 2.5V to 6V and output voltage ranges from
VIN down to 0.8V. The IT7803 operates at a
fixed switching frequency of 1.0MHz. In
addition, it provides internal soft-start to reduce
inrush-current, current-limit and thermal
shutdown, preventing IC from being damaged
and improving design reliability. Open-drain
power good monitors the output voltage.
Features
High Efficiency up to 95%
2.5V to 6V Input Voltage Range
3A Output Current
220µA Low Quiescent Current (Active Mode)
Shutdown Current: 7µA
1.0MHz Constant Frequency Operation
0.8V to VIN Adjustable Output Voltage
Current Mode Operation
Power Good Function Monitoring Output Voltage
Internal Soft-Start
Thermal Shutdown
Current-Limit and Short-Circuit Protection
SOP 8L-EP Package
RoHS Compliant (100% Green Available)
Applications
ASIC/DSP/µP/FPGA Core and I/O Voltages
Networking and Telecommunications
TV
Set-Top Boxes
Cellular Base Stations
Typical Applications
Efficiency vs. Output Current at VIN=5V
Figure 1. Typical Application Circuit
Efficiency vs. Output Current at VIN=3.3V
Rev. 0.2
www.m3tekic.com
M3tekic Confidential
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1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet IT7803.PDF ] | |
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