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PDF P1484 Data sheet ( Hoja de datos )
| Número de pieza | P1484 | |
| Descripción | SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de P1484 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
P1484
LINEAR INTEGRATED CIRCUIT
3A, 23V, 340KHZ
SYNCHRONOUS RECTIFIED
STEP-DOWN CONVERTER
DESCRIPTION
The UTC P1484 is a synchronous buck regulator. The device
provides3A of continuous load current over a wide input voltage
of 5V~23V. Current mode control provides fast transient response
and cycle-bycycle current limit. An adjustable soft-start prevents
inrush current at turn-on
The UTC P1484 can provide low-ripple power, high efficiency,
and perfect transient characteristics. The duty ratio varies linearly
from 0% to 92% in the PWM control. The error amplifier circuit
and soft-start circuit included in this device can prevent overshoot
at startup. An enable function, an over current protect (OCP)
function and short circuit protect (SCP) are also build inside, and
when OCP happens, the operation frequency will be reduced.
FEATURES
* 3A Output Current
* Wide 6V~23V Operating Input Range
* Integrated Power MOSFET Switches
* Programmable Soft-Start
* Stable with Low ESR Ceramic Output Capacitors
* Fixed 340KHz Frequency
* Cycle-by-Cycle Over Current Protection
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
P1484L-S08-R
P1484G-S08-R
P1484L-S08-T
P1484G-S08-T
Package
SOP-8
SOP-8
SOP-8
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 6
QW-R103-060.B
Free Datasheet http://www.Datasheet4U.com
1 page  
P1484
TYPICAL APPLICATION CIRCUIT
VO
=
0.923(1+
RBF 2 )
RBF1
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R103-060.B
Free Datasheet http://www.Datasheet4U.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet P1484.PDF ] | |
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