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PDF A3130 Data sheet ( Hoja de datos )
| Número de pieza | A3130 | |
| Descripción | Universal DSP-Based PFC Solution | |
| Fabricantes | Alpha Microelectronics | |
| Logotipo |  |
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a3130 general features
The a3130 is a universal DSP-based PFC solution to be used in applications requiring
power factor values close to unity. Typical applications are high-power DC motors and
lighting systems. The controller is based on the boost topology and is fully software-
controlled. The PFC algorithm is loaded from an on-chip non-volatile memory for stand-
alone operation or can be uploaded to the DSP core using a two-wire interface.
Highlights:
Fully reconfigurable digitally-controlled power factor controller in CMOS
technology
On-chip AC-phase-locked sinusoidal 45...65Hz oscillator to improve AC-line
noise rejection
High accuracy through on-chip 10bit ADC and dedicated RISC processor
Achievable high efficiency (>95%) and power factor (>0.99)
Broad range of user-selectable PWM frequency (5kHz...200kHz)
Low EMC filter requirements due to use of spread-spectrum PWM
Two-wire interface to load software
Supports 90V...135V and 195V...275V 60/50Hz mains standards
Available Options:
On-chip gate driver
On-chip OTP memory for stand-alone operation
example application schematic
Rect.
AC
PFCIC
VDD=5V
64MHz PLL
OTP
Memory
(optional)
SDAT
Two-wire
SCLK Interface
DSP
Unit
RAM
ADC
AGND
R1
R2
1% RC
Oscillator
PFCDRV
Measuring
Amplifiers
VAC
VDC
PFCFB
PFCI
R3
L1
15V
DRV
R4
D1 HV
R6
C1
R7
R5
a3130: simplified application schematic
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet A3130.PDF ] | |
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