YB1685 Datasheet, PDF (2/9 Pages) YOBON TECHNOLOGIES,INC. – 2A 380KHz 32V PWM Buck DC/DC Converter

Pin Configuration
YB1685
2A 380KHz 32V PWM Buck DC/DC Converter
NC ₁
8 ^NC
VIN ₂
7 ^EN
SW ₃
6 ^NC
GND ₄
5 ^FB
SOP-8
Figure 2: Pin Configuration
Pin Description
Table 1
Pin
Name
Description
1,6,8
NC Not Connect.
Supply Voltage Input Pin. YB1685 operates from a 3.6V to 32VDC
2
VIN
voltage.
Bypass V_IN to GND with a suitably large capacitor to eliminate noise
on the input.
3
SW
Power Switch Output Pin. SW is the switch node that supplies
power to the output.
Ground Pin. Care must be taken in layout. This pin should be
4
GND
placed outside of the Schottky Diode to output capacitor ground
path to prevent switching current spikes from inducing voltage
noise into YB1685.
Feedback Pin. Through an external resistor divider network, FB
5
FB senses the output voltage and regulates it. The feedback threshold
voltage is 1.235V.
7
EN
Enable Pin. EN is a digital input that turns the regulator on or off.
Drive EN pin high to turn on the regulator, drive it low to turn it off.
Ordering Information
Order Number Package Type
YB1685SPX8P
SOP-8
Supplied As
2500 units Tape & Reel
Package Marking
Please contact sales
representative
YB1685 Rev.1.0
www.yobon.com.tw
2