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| TS51221 Datasheet, PDF (13/18 Pages) Semtech Corporation – High Efficiency Regulator IC for Wireless Power Receiver Applications | |||
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PCB Layout
Figure : TS51221 PCB Layout, Top View
External Component Bill of Materials
Designator Function
Description
Suggested
Manufacturer
Manufacturer Code
Qty
CBYPASS
COUT
LOUT
Input Supply Bypass Capacitor
Output Filter Capacitor
Output Filter Inductor
10uF 10% 35V
22uF 10% 10V
4.7uH 2A
TDK
TDK
TDK
Wurth
CGA5L3X5R1V106K160AB 1
C2012X5R1A226K125AB 2
SLF7045T-4R7M2R0-PF
1
7447745047
cBST
Boost Capacitor
22nF 10V
Voltage Feedback Resistor
17.8K
RTOP
(optional)
(Note 1)
TDK
C1005X7R1C223K
1
1
Voltage Feedback Resistor
10K
RBOT
(optional)
(Note 1)
1
RPLP
DCATCH
PG Pin Pull-up Resistor (optional) 10K
1
Catch Diode (optional)
30V 2A
On
MBR230LSFT1G
1
SOD-123FL
Semiconductor
Note 1: The voltage divider resistor values are calculated for an output voltage of 2.5V. For fixed output versions, the FB pin is connected
directly to VOUT.
TS51221
Final Datasheet
April 6, 2015
Rev 1.1
www.semtech.com
13 of 18
Semtech
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