
MCP16321/2
Package Type
MCP16321/2
3x3 QFN*
16 15 14 13
SW 1
12 SW
VIN 2
VIN 3
SGND 4
5
EP
17
67
11 VIN
10 BOOST
9 EN
8
* Includes Exposed Thermal Pad (EP); see Table 3-1.
Typical Applications
Typical Application with Adjustable Output Voltage
VIN
6.0V to 24V
CIN
2x10 μF
BOOST
CBOOST
22 nF
SW
L1
4.7 μH
VIN
36.5 kȍ
VFB
VOUT
10 kȍ
10 kȍ
EN
PG
SGND
PGND
VOUT
4.2V @ 1A/2A
COUT
2x22 μF
Typical Application with Fixed Output Voltage
VIN
6.0V to 24V
CIN
2x10 μF
CBOOST
22 nF
BOOST
SW
L1
4.7 μH
VIN
VFB
VOUT
10 k
EN
PG
SGND
PGND
VOUT
3.3V @ 1A/2A
COUT
2x22 μF
DS22285A-page 2
© 2011 Microchip Technology Inc.