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PDF PE2118 Data sheet ( Hoja de datos )
| Número de pieza | PE2118 | |
| Descripción | Synchronous Boost DC/DC Regulator | |
| Fabricantes | Zetex | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PE2118 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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PE2118
Synchronous Boost DC/DC Regulator PE2118
Features
Description
Up to 96% Efficiency
Low voltage start-up 0.9V
Shut-down current: < 1 A
Input voltage 0.6V 4.4V
Output voltage 2.5V 4.3V (Up to 5V
with Schottky)
Low switch on resistance RDS(ON),
Internal switch: 0.35
1.4MHz fixed frequency switching
High switch on current: 1A
Short-Circuit protection
Low profile SOT-23-6 package (lead-free
packaging is now available)
Applications
Digital cameras and MP3
Palmtop computers / PDAs
Cellular phones
Wireless handsets and DSL modems
PC cards
Portable media players
The PE2118 is high efficiency synchronous,
PWM step-up DC/DC converters optimized
to provide a high efficient solution to
medium power systems. The devices work
under the input voltage between 0.6V and
4.4V with a 1.4MHz fixed frequency
switching. These features minimize overall
solution footprint by allowing the use of tiny,
low profile inductors and ceramic
capacitors.
The PE2118 is capable of supplying an
output voltage between 2.5V and 4.3V, the
internal synchronous switch is desired to
provide high efficiency without Schottky.
The devices also featured providing up to
260mA from a single AA cell input or up to
600mA from a 2-cell AA with a 3V/3.3V
output.
The PE2118 regulators are available in the
industry standard SOT-23-6 power packages
(or upon request).
Order Information
PE2118
:
SYMBOL
DESCRIPTION
Denotes Output voltage:
A : Adjustable Output
Denotes Package Types:
F: SOT-23-6
-1-
Free Datasheet http://www.datasheet4u.com/
1 page  
PE2118
Typical Performance Characteristics
Single-Cell to 3.2V Effiency
100
90
VIN = 1.5V
80
70 VIN = 1.2V
60
50
1
10 100
OUTPUT CURRENT(mA)
1000
2-Cell to 3.2V Effiency
100
VIN = 2.7V
90
VIN = 2.4V
80
70
60
50
1
10 100
OUTPUT CURRENT(mA)
1000
2-Cell to 5.2V Effiency
100
90 VIN = 3V
80
VIN = 2.4V
70
60
50
1
10 100
OUTPUT CURRENT(mA)
1000
Li-Ion to 5.2V Effiency
100
VIN = 4.2V
90
VIN = 3.6V
80
70
60
50
1
10 100
OUTPUT CURRENT(mA)
1000
-5-
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PE2118.PDF ] | |
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