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PDF EUP3290 Data sheet ( Hoja de datos )
| Número de pieza | EUP3290 | |
| Descripción | 2.25MHz Synchronous Step-Down DC/DC Regulator | |
| Fabricantes | Eutech Microelectronics | |
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EUP3290
1A, 2.25MHz Synchronous
Step-Down DC/DC Regulator
DESCRIPTION
The EUP3290 is synchronous step-down DC-DC
converters optimized for battery powered portable
applications. The 2.7V to 5.5V input voltage range
makes EUP3290 ideal for powering portable equipment
that runs from 1-cell Li-Ion or 3-cell NiMH/NiCD
batteries. The device is also suitable to operate from a
standard 3.3V or 5V voltage rail.
The EUP3290 operates at 2.25MHz fixed switching
frequency allowing the use of small inductors and
capacitors to achieve a small solution size. The internal
synchronous switch increases efficiency and eliminates
the need for an external schottky diode. The EUP3290
has internal soft start and avoids inrush current during
startup.
The EUP3290 has a user selectable mode of forced
PWM and PFM/PWM mode. The forced PWM mode
operation provides the lowest ripple noise and the PFM
mode operation provides high efficiency at light loads.
The EUP3290 is available in TSOT23-5 and TDFN-6
package. For TDFN-6 package, it provides up to 1A
output current.
FEATURES
High Efficiency Up to 95%
2.25MHz Constant Switching Frequency
1A Available Load Current
30µA Typical Quiescent Current
2.7V to 5.5V Input Voltage Range
Adjustable Output Voltage as Low as 0.6V
No Schottky Diode Required
Short Circuit and Thermal Protection
Internal Soft Start Function
Available in TDFN-6 and TSOT23-5 Packages
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
APPLICATIONS
SSD Module
Smart Phones
Tablet PC
Portable Media Players
µC/µP, FPGA and DSP Power
Plug-in DC/DC Modules for Routers and
Switchers
Typical Application Circuit
DS3290 Ver1.0 Sep. 2012
Figure 1.
1
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet EUP3290.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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