Datasheet

EN
VPWR
5
4
1
3
2
V
IN
1
C
3
R
3
C
1
L
1
D
2
C
4
C
1
R
2
R
LM2735
LM2735
SNVS485F –JUNE 2007–REVISED APRIL 2013 www.ti.com
LM2735X SOT-23 LED Design Example 17
Two Input Voltage Rail Application
Figure 54. LM2735X (1.6MHz): V
PWR
= 9V in = 2.7V - 5.5V, Vout = 12V @ 500mA
Part ID Part Value Manufacturer Part Number
U1 2.1A Boost Regulator TI LM2735XMF
C1, Input Cap 10µF, 6.3V, X5R TDK C2012X5R0J106K
C2, Output Cap 10µF, 25V, X5R TDK C3216X5R1E106M
C3 V
IN
Cap 0.1µF, 6.3V, X5R TDK C2012X5R0J104K
C4 Comp Cap 1000pF TDK C1608X5R1H102K
D1, Catch Diode 0.4V
f
Schottky 1A, 20V
R
ST STPS120M
L1 6.8µH 2A Coilcraft DO1813H-682ML
R1 10.0kΩ, 1% Vishay CRCW08051002F
R2 86.6kΩ, 1% Vishay CRCW08058662F
R3 100kΩ, 1% Vishay CRCW06031003F
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