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MCP19116-E/MJ Fiches technique(PDF) 10 Page - Microchip Technology

No de pièce MCP19116-E/MJ
Description  Digitally Enhanced Power Analog Synchronous Low-Side PWM Controller with Improved 8k Word Core
PDF  246 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP19116-E/MJ Fiches technique(HTML) 10 Page - Microchip Technology

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FIGURE 1-1:
MCP19116/7 FLYBACK SYNCHRONOUS QUASI-RESONANT BLOCK DIAGRAM
VIN
VDR
VDD (5V)
BGAP
UVLO
VREF
OV REF
8
8
OV
BGAP
PIC CORE
OSC
OV UVLO
PDRV
ISN
Icomp
A = 10
IP
LEB
2
EA_SC
PWM Comp
PWM Logic
DESATN
QRS
VDR
AGND
MCLR
DIMI
SDA TEMP
VS
BIN
I/O x 3
(x7 MCP19117)
OV
OC
Clamp
6
ccd
SDRV
4
4
EN1 EN2
OVLO
4
IFB
PGND
PGND
PGND
VDD
VREF2
MUX to
GPB1
I/O
LDO1
LDO2
Bias Gen
AVDD (4V)
AVDD
VDD
VREF2
8
DESAT
MUX
4V to 20V
8.8V to 44V
EN
BGAP
DESATP/
ISOUT
ISP
VDD_OK
RFB
MUX
BG
5K
Gate
Drive
Timing
Gate
Drive
Timing
IP_COMP
A2
A1
OV_REF
VREF2
VREF
A2
OVLO_REF
UVLO_REF
Lin
Interrupt and Logic to
PWM & PIC
Lin
Lin
RFB_INT
5V to 10V
4 msb
Log
Lin
Slope
Comp
ADJ
Offset
+
-
-
+
OVLO
PWM
VZC
VZC
VZC
VZC
VDR
UVLO
BGAP
2.7V or 5.4V
ADC
4 msb
2 lsb
2 lsb
BGAP
BGAP
See elec specs
for clamp voltages
VIN
PDRV
IP
SDRV
DESATN
DESATP
ISN
ISP
GPIO
GPIO
AGND
PGND
VDD
VDD
VDD
VDR
IFB
Icomp
4.5V to 42V
4.7
µF
4.7
µF
10
Place recommended VDD and VDR 4.7
µF
Capacitors as close to respective pins as possible
VDD or AVDD
REF



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