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PDF LP3204 Data sheet ( Hoja de datos )
| Número de pieza | LP3204 | |
| Descripción | High Efficiency Synchronous PWM Step-Down DC/DC Convert | |
| Fabricantes | Lowpowersemi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LP3204 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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LP3204
1.5MHz, 800mA, High Efficiency Synchronous
PWM Step-Down DC/DC Convert
General Description
The LP3204 is a constant frequency, current mode,
PWM step-down converter. The device integrates a
main switch and a synchronous rectifier for high
efficiency. The 2.5V to 5.5V input voltage range
makes the LP3204 is ideally suited for portable
electronic devices that are powered from 1-cell
Li-ion battery or from other power sources within
the range such as cellular phones, PDAs and
handy-terminals.
Internal synchronous rectifier with low RDS(ON)
dramatically reduces conduction loss at PWM mode.
The internal synchronous switch increases
efficiency while eliminate the need for an external
Schottky diode.The switching ripple is easily
smoothed-out by small package filtering elements
due to a fixed operation frequency of 1.5MHz. This
along with small SOT-23-5 package provide small
PCB area application. Other features include soft
start, lower internal reference voltage with 2%
accuracy, over temperature protection, and over
current protection.
Ordering Information
Features
High Efficiency: 96%
1.5MHz Fixed-Frequency PWM Operation
Adjustable Output From 0.6V to VIN
800mA Output Current, 1.1A Peak Current
No Schottky Diode Required
100% Duty Cycle Low Dropout Operation
Available in SOT23-5 Package
Short Circuit and Thermal Protection
Over Voltage Protection
Low than 1µA Shutdown Current
Applications
Portable Media Players/MP3 players
Cellular and Smart mobile phone
PDA
DSC
Wireless Card
Pin Configurations
LP3204 □ - □ □ □ □
Package Type
B5: SOT-23-5
Output Voltage:
15: 1.5V
18: 1.8V
25: 2.5V
28: 2.8V
AD:Adjust
Output Type:
A:A-Type
B:B-Type
A-Type
B-Type
Marking Information
RoHS compliant and compatible
with the current require ments of
IPC/JEDEC J-STD-0202.
Suitable for use in SnPb or Pb-free
soldering processes.
LP3204-datasheet Feb.-2006
1 -1
Free Datasheet http://www.0PDF.com
1 page  
Typical Operating Characteristics
LP3204
LP3204-datasheet Feb.-2006
5 -5
Free Datasheet http://www.0PDF.com
5 Page 
LP3204
LP3204-datasheet Feb.-2006
11 -11
Free Datasheet http://www.0PDF.com
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LP3204.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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