Datasheet

 1996 Microchip Technology Inc.
Preliminary
DS40122B-page 73
PIC14000
9.6 V
oltage Regulator Output
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: VOLTAGE REGULATOR CIRCUIT
VREG
VDD
1-10 µA recommended
Main
Supply
Optional External
Voltage Regulator
(Not required for supply voltages
below 6.0 V)
PIC14000
N-FET
6V
Typical
(enhancement)