p1686 Unisonic Technologies, p1686 Datasheet - Page 6

• Manufacturer Part Number: p1686
• Description: 600khz, 3a Step-down Current Mdoe Switching Regulator
• Manufacturer: Unisonic Technologies

P1686
Design Example: 16V to 5V at 2A
V
IN
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
=16V
TYPICAL APPLICATION CIRCUIT
APPLICATION CIRCUIT
10u
C
3
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4.75K
R
4
2
7
8
SYNC
IN
EN
UTC P1686
GND
1
4
BS
COMP
SW
FB
180p
3
5
6
C
5
C
3.3n
4
C
0.22u
1
R
3.4k
LINEAR INTEGRATED CIRCUIT
3
D
3
D
2
8.2uH
L
1
31.6k
10k
R
R
1
2
10u
C
2
QW-R103-039.C
V
O
6 of 6
=5V