Datasheet

LAN8740A/LAN8740Ai
DS00001987A-page 54  2013-2015 Microchip Technology Inc.
3.9.2 POWER SUPPLY DIAGRAM (1.2 V SUPPLIED BY INTERNAL REGULATOR)
FIGURE 3-18: POWER SUPPLY DIAGRAM (1.2 V SUPPLIED BY INTERNAL REGULATOR)
LAN8740A/LAN8740Ai
32-VQFN
RBIAS
VSS
12.1k
VDD2A
C
BYPASS
C
BYPASS
VDD1A
VDDIO
C
BYPASS
C
F
VDDDIO
Supply
1.8 - 3.3 V
Power
Supply
3.3 V
VDDCR
LED1/
REGOFF
~270 Ohm
Core Logic
Internal
Regulator
Ch.2: 3.3 V
Circuitry
INOUT
Ch.1: 3.3 V
Circuitry
470 pF
1 uF