lm2738xsdx National Semiconductor Corporation, lm2738xsdx Datasheet - Page 21
lm2738xsdx
Manufacturer Part Number
lm2738xsdx
Description
Lm2738 550khz/1.6mhz 1.5a Step-down Dc-dc Switching Regulator
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM2738XSDX.pdf
(28 pages)
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LM2738Y Circuit Example 6
Part ID
U1
C1, Input Cap
C2, Output Cap
C3, Boost Cap
D1, Catch Diode
D2, Boost Diode
L1
R1
R2
R3
Part Value
1.5A Buck Regulator
10µF, 6.3V, X5R
47µF, 6.3V, X5R
0.1µF, 16V, X7R
0.34V
1V
6.2µH, 2.5A,
8.87kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
@ 100mA Diode
F
Schottky 1.5A, 30V
FIGURE 15. LM2738Y (550kHz)
Bill of Materials for Figure 15
V
BOOST
5V to 1.5V/1.5A
Derived from V
21
Part Number
LM2738Y
C3216X5ROJ106M
C3216X5ROJ476M
C1005X7R1C104K
CRS08
BAT54WS
MSS7341-622NL
CRCW06038871F
CRCW06031022F
CRCW06031003F
IN
Manufacturer
National Semiconductor
TDK
TDK
TDK
Toshiba
Diodes, Inc.
Coilcraft
Vishay
Vishay
Vishay
30049142
www.national.com
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