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PDF EUP3292 Data sheet ( Hoja de datos )
| Número de pieza | EUP3292 | |
| Descripción | 2.25MHz Synchronous Step-Down DC/DC Regulator | |
| Fabricantes | Eutech Microelectronics | |
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EUP3292
Dual 1A, 2.25MHz Synchronous
Step-Down DC/DC Regulator
DESCRIPTION
The EUP3292 is synchronous dual step-down DC-DC
converters optimized for battery powered portable
applications. It provides two independent output voltage
rails powered by 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.
With an input voltage range of 2.7V to 5.5V, the
EUP3292 is ideal to power portable applications like
smart phones, PDAs and other portable equipment.
The EUP3292 operates at 2.25MHz fixed switching
frequency allowing the use of small inductors and
capacitors to achieve a small solution size. Each output
supports up to 1A load current, typical. The internal
synchronous switch increases efficiency and eliminates
the need for an external schottky diode.
Automatic switching between PWM low-noise and
PFM low-current operation increases efficiency at light
loads, further extending battery life.
The EUP3292 has internal soft start and avoids inrush
current during startup.
FEATURES
High Efficiency Up to 95%
2.25MHz Constant Switching Frequency
1A Available Load Current on Each Channel
30µA Typical Quiescent Current on Each Input
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
Automatic PFM/PWM Mode Switching
Available in 3mm × 3mm TDFN-12 Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
APPLICATIONS
SSD Module
Smart Phones
Tablet PC
Plug-in DC/DC Modules for Routers and
Switchers
Typical Application Circuit
DS3292 Ver1.0 Mar. 2013
Figure 1.
1
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet EUP3292.PDF ] | |
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