SFTB NSC [National Semiconductor], SFTB Datasheet - Page 14

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SFTB

Manufacturer Part Number
SFTB
Description
Thin SOT23 1A Load Step-Down DC-DC Regulator
Manufacturer
NSC [National Semiconductor]
Datasheet
www.national.com
LM2734Z Design Examples
Part ID
U1
C1, Input Cap
C2, Output Cap
C3, Boost Cap
D1, Catch Diode
D2, Boost Diode
L1
R1
R2
R3
Part Value
1A Buck Regulator
10µF, 25V, X7R
22µF, 6.3V, X5R
0.01µF, 16V, X7R
0.34V
0.6V
3.3µH, 1.3A
31.6kΩ, 1%
10.0 kΩ, 1%
100kΩ, 1%
F
F
@
Schottky 1A, 30VR
30mA Diode
FIGURE 9. V
(Continued)
Bill of Materials for Figure 9
12V to 3.3V/1A
BOOST
14
Derived from V
Part Number
LM2734ZX
C3225X7R1E106M
C3216X5ROJ226M
C1005X7R1C103K
SS1P3L
BAT17
ME3220–332MX
CRCW06033162F
CRCW06031002F
CRCW06031003F
OUT
Manufacturer
National Semiconductor
TDK
TDK
TDK
Vishay
Vishay
Coilcraft
Vishay
Vishay
Vishay
20130343

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