XRPWRKIT-LWP-1 Datasheet, PDF (2/7 Pages) Exar Corporation – 1 A/ 1 A Dual Channel 1 .5MHz Sync . Step Down Converter

XRP6 6 6 8 EVB
1 A / 1 A D u a l Ch a n n e l 1 .5 M H z Sy n c. St e p D o w n Co n v e r t e r
PIN ASS IGN MENT
Fig. 2: XRP6658 Pin Assignment
PIN DESCRIPTION
Name
Pin Number
VIN1
1
SW1
2
VIN2
3
SW2
VFB2
EN2
VFB1
EN1
GND
4
5
6
7
8
Exposed Pad
Description
Channel 1 Power Input Pin.
0XVWEHFORVHO\GHFRXSOHGWRgrea*te1r c'eramSicLcQapacZitoLr. WKDNj)RU
Channel 1 Switch Pin.
Must be connected to Inductor. This pin connects to the
synchronous power MOSFET switches.
drains of the internal main and
Channel 2 Power Input Pin.
0XVWEHFORVHO\GHFRXSOHGWRgrea*te1r c'eramSicLQcapZacLitoWr.KDNj)RU
Channel 2 Switch Pin. Must be connected to Inductor. This pin connects to the drains of
the internal main and synchronous power MOSFET switches.
Channel 2 Feedback Pin.
Receives the feedback voltage from an external resistive
divider across the output.
Channel 2 Enable Pin.
Minimum 1.2V to enable the device. Maximum 0.4V to shutdown the device.
Channel 1 Feedback Pin.
Receives the feedback voltage from an external resistive divider across the output.
Channel 1 Enable Pin.
Minimum 1.2V to enable the device. Maximum 0.4V to shutdown the device.
Connect to GND.
ORDERING INFORMATION
Refer to XRP6668 ¶VGDWDVKHHwwWw.eDxaQr.cGomRUforexact and up to date ordering information.
© 201 2 Exar Corporation
2/ 7
Rev. 1. 1.0