PIC14000-04 Microchip Technology, PIC14000-04 Datasheet - Page 73

• Manufacturer Part Number: PIC14000-04
• Description: 28-Pin Programmable Mixed Signal Controller
• Manufacturer: Microchip Technology

9.6
For systems with a main supply voltage above 6V, an
inexpensive, low quiescent current voltage regulator
can be formed by connecting the VREG pin to an exter-
nal resistor and FET as shown in Figure 9-8. This cir-
cuit will provide a VDD of about 5V, after the voltage
drop across the FET.
FIGURE 9-8:
1996 Microchip Technology Inc.
Voltage Regulator Output
VOLTAGE REGULATOR CIRCUIT
1-10 A recommended
PIC14000
Typical
6V
V
V
REG
DD
Preliminary
Optional External
Voltage Regulator
(Not required for supply voltages
below 6.0 V)
N-FET
(enhancement)
PIC14000
Main
Supply
DS40122B-page 73