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A3131 查看數據表(PDF) - Alpha Microelectronics
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产品描述 (功能)
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A3131
Universal DSP-Based PFC Solution
Alpha Microelectronics
A3131 Datasheet PDF : 2 Pages
1
2
example application schematic
Rect.
AC
R1
PFCIC
PFC_VDD=5V
SMPSC_VDD=5V
64MHz PLL
OTP
Memory
(optional)
SDAT
Two-wire
SCLK
Interface
DSP
Unit
RAM
ADC
R2
1% RC
Oscillator
PFCDRV
Measuring
VAC
Amplifiers
VDC
+
PFCFB
R3
_
PFCI
L1
15V
DRV1
AGND
PWM
20..100kHz
+
_
CMP
COMP
CF
V
+
_
REF
VF
R
COMP
R5
R4
C
COMP
D1
R6
M1
R7
T1
15V
M2
DRV2
HV
C1
LV
D2
C2
R8
R9
R10
a3131 simplified application schematic (biasing details not shown)
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