Datasheet

 2014-2016 Microchip Technology Inc. DS20005308C-page 25
MCP16331
6.0 TYPICAL APPLICATION CIRCUITS
FIGURE 6-1: Typical Application, 50V V
IN
to 3.3V V
OUT
.
Component Value Manufacturer Part Number Comment
C
IN
2 x 10 µF TDK Corporation C5750X7S2A106M230KB Capacitor, 10 µF, 100V, X7S, 2220
C
OUT
2 x 10 µF Taiyo Yuden
Co., Ltd.
JMK212B7106KG-T Capacitor, 10 µF, 6.3V, Ceramic, X7R, 0805,
10%
L 15 µH Coilcraft
®
MSS6132-153ML MSS6132, 15 µH, Shielded Power Inductor
R
TOP
31.6 k  Panasonic
®
- ECG ERJ-3EKF3162V Resistor, 31.6 KΩ, 1/10W, 1%, 0603, SMD
R
BOT
10 k  Panasonic - ECG ERJ-3EKF1002V Resistor, 10.0 KΩ, 1/10W, 1%, 0603, SMD
FW Diode B1100 Diodes
Incorporated
®
B1100-13-F Schottky, 100V, 1A, SMA
Boost Diode 1N4148 Diodes
Incorporated
1N4148WS-7-F Diode Switch, 75V, 200 mW, SOD-323
C
B
100 nF AVX Corporation 0603YC104KAT2A Capacitor, 0.1 µF, 16V Ceramic, X7R,
0603, 10%
U1 MCP16331 Microchip
Technology Inc.
MCP16331-E/CH
MCP16331-E/MNY
MCP16331, 500 kHz Buck Switcher, 50V,
500 mA
C
B
V
OUT
V
IN
C
IN
C
OUT
SW
BOOST
GND
EN
FB
L
V
IN
Boost Diode
FW Diode
3.3V
4.5V to 50V
R
TOP
R
BOT
MCP16331
U1