Datasheet
MCP2021/2/1P/2P
DS22018F-page 2 © 2005-2012 Microchip Technology Inc.
Package Types
MCP2021/2 Block Diagram
MCP2021
DFN-8, PDIP-8, SOIC-8
1
2
3
4
8
7
6
5
MCP2022
PDIP-14, SOIC-14, TSSOP-14
1
2
3
4
14
13
12
11
10
9
8
5
6
7
RXD
CS/LWAKE
V
REG
TXD
FAULT
/TXE
V
BB
LBUS
VSS
RXD
CS/LWAKE
V
REG
TXD
RESET
NC
NC
FAULT
/TXE
V
BB
LBUS
VSS
NC
NC
NC
MCP2021P
MCP2022P
Voltage
Regulator
Ratiometric
Reference
OC
Thermal
Protection
Internal Circuits
VREG
FAULT/TXE
RXD
TXD
V
BB
LBUS
VSS
~30 kΩ
CS/LWAKE
Wake-Up
Logic and
Power Control
RESET
Short Circuit
Protection
Short Circuit
Protection
Thermal
Protection
(MCP2022 ONLY)
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