PIC16C782 Microchip Technology Inc., PIC16C782 Datasheet - Page 110

• Manufacturer Part Number: PIC16C782
• Description: 8-bit Cmos Microcontrollers With A/d, D/a, Opamp, Comparators And Psmc
• Manufacturer: Microchip Technology Inc.

PIC16C781/782
FIGURE 13-5:
DS41171A-page 108
Note:
V
REF
The OPAMP, Comparator and DAC must
be configured, prior to enabling the PSMC
to prevent unpredictable operation which
may stress the power MOSFET transistors.
PIC16C781/782
EXAMPLE BOOST CONFIGURATION LC SWITCHING POWER SUPPLY
DAC
OPA
PSMC
C1
SC
A
RB6/C1/PSMC1A
RB7/C2/PSMC1B
RB3/AN7/OPA
RA1/AN1/OPA-
RA4/AN0/OPA+
RA3/AN3/V
RB2/AN6
RB1/AN5/V
Preliminary
REF
DAC
1
R
MOSFET
DRIVER
3
C
1
V
DD
+DCRAW
Q1
CURRENT TRANSFORMER
L
1
C
D1
MAIN
2001 Microchip Technology Inc.
+
R
1
R
2
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