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PDF PF7900 Data sheet ( Hoja de datos )
| Número de pieza | PF7900 | |
| Descripción | 9V to 27V Input Current Mode Boost Controller | |
| Fabricantes | Powerforest | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PF7900 (archivo pdf) en la parte inferior de esta página. Total 1 Páginas | ||
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PF7900
9V to 27V Input Current Mode
Boost Controller
Specification Rev. 1.4
FEATURES
Wide Input Range: 9V to 27V
Adjustable Switching Frequency Setting
Current Mode Control
300mV Current Sensing Reference
Over Current Protection
Over Temperature Protection
Output Over Voltage Protection
Input Over Voltage Protection
PWM Dimming Input
APPLICATIONS
Front-End Stage of LED Backlight
LED Lighting
GENERAL DESCRIPTION
The PF7900 is a wide-input voltage boost controller
which can be operated from 9V to 27V. The special
dimming input helps to synchronize this device with
multi-channel current matching ICs or MOSFETs for
LED applications such as LED backlight or LED
lighting. PF7900 integrated the current mode PWM
controller with a high driving capability MOSFET
driver, over current protection, and input/output over
voltage protection in a SOP-8 package to minimize
the PCB size as well as the component counts. The
adjustable frequency setting helps users to select the
optimized operation frequency.
TYPICAL APPLICATION
Dimming
Signal
VCC
OUT
PF7900 CS
DIM
FB
RT GND GM
Vbus
LED8 LED7 LED6 LED5 LED4 LED3 LED2 LED1
COMP
DIM
GND
PF7004/8
www.powerforest.com
PF7900_DS_14
Jan, 2014
1
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet PF7900.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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