Datasheet

LM2738
www.ti.com SNVS556B –APRIL 2008–REVISED APRIL 2013
LM2738Y Circuit Example 7
Figure 42. LM2738Y (550kHz)
V
BOOST
Derived from V
OUT
12V to 3.3V/1.5A
Table 8. Bill of Materials for Figure 42
Part ID Part Value Part Number Manufacturer
U1 1.5A Buck Regulator LM2738Y Texas Instruments
C1, Input Cap 10µF, 25V, X7R C3225X7R1E106M TDK
C2, Output Cap 47µF, 6.3V, X5R C3216X5ROJ476M TDK
C3, Boost Cap 0.1µF, 16V, X7R C1005X7R1C104K TDK
D1, Catch Diode 0.34V
F
Schottky 1.5A, 30V CRS08 Toshiba
D2, Boost Diode 1V
F
@ 100mA Diode BAT54WS Vishay
L1 12µH, 1.7A, MSS7341-123NL Coilcraft
R1 31.6kΩ, 1% CRCW06033162F Vishay
R2 10.0 kΩ, 1% CRCW06031002F Vishay
R3 100kΩ, 1% CRCW06031003F Vishay
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