YB1692 Datasheet, PDF (2/10 Pages) YOBON TECHNOLOGIES,INC. – 2A Synchronous Step-Down Converter

Pin Configuration
YB1692
2A Synchronous Step-Down Converter
SOP-8
Figure 2 Pin Configuration
Pin Description
Table 1
Pin Name
Description
High-Side Gate Drive Boost Input. BS supplies the drive for the
1
BS high-side N-Channel MOSFET switch. Connect a 0.01μF or greater
capacitor from SW to BS to power the high side switch.
Supply Voltage Input Pin. YB1692 operates from a 4.75V to 18V_DC
2
V_IN
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.
4
GND Ground Pin.
Feedback Pin. Through an external resistor divider network,
5
FB FBsenses the output voltage and regulates it. The feedback threshold
voltage is 0.923V
Compensation Node. COMP is used to compensate the regulation
control loop. Connect a series RC network from COMP to GND to
6 COMP compensate the regulation control loop. In some cases, an additional
capacitor from COMP to GND is required. See Compensation
Components.
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.
Soft-Start Control Input. SS controls the soft-start period. Connect a
8
SS
capacitor from SS to GND to set the soft-start period. A 0.1μF
capacitor sets the soft-start period to 15ms. To disable the soft-start
feature, leave SS unconnected.
Ordering Information
Order Number
Package Type
YB1692SPX8
SOP-8
Supplied As
2500 units
Tape & Reel
Package Marking
YB1692
YB1692 Rev.1.0
www.yobon.com.tw
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