Datasheet

1
L
LOAD
R
4
C
1
D
2
R
1
R
6
C
2
L
3
R
2
C
1
C
IN
V
5
C
3
C
LM2735
1
AGND
FB
SW
VIN
EN
PGND
NC
NC
2
3
4
8
7
6
5
LM2735
SNVS485F –JUNE 2007–REVISED APRIL 2013 www.ti.com
LM2735Y MSOP-PowerPAD SEPIC Design Example 13
Figure 50. LM2735Y (520kHz): Vin = 2.7V - 5V, Vout = 3.3V @ 500mA
Part ID Part Value Manufacturer Part Number
U1 2.1A Boost Regulator TI LM2735YMY
C1 Input Cap 22µF, 6.3V, X5R TDK C2012X5R0J226M
C2 Input Cap No Load
C3 Output Cap 10µF, 25V, X5R TDK C3216X5R1E106M
C4 Output Cap No Load
C5 Comp Cap 2200pF TDK C1608X5R1H222K
C6 2.2µF 16V TDK C2012X5R1C225K
D1, Catch Diode 0.4V
f
Schottky 1A, 20V
R
ST STPS120M
L1 15µH 1.5A Coilcraft MSS5131-153ML
L2 15µH 1.5A Coilcraft MSS5131-153ML
R1 10.2kΩ, 1% Vishay CRCW06031002F
R2 16.5kΩ, 1% Vishay CRCW06031652F
R3 100kΩ, 1% Vishay CRCW06031003F
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