SFTB NSC [National Semiconductor], SFTB Datasheet - Page 13
SFTB
Manufacturer Part Number
SFTB
Description
Thin SOT23 1A Load Step-Down DC-DC Regulator
Manufacturer
NSC [National Semiconductor]
Datasheet
1.SFTB.pdf
(19 pages)
- Current page: 13 of 19
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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, 6.3V, X5R
10µF, 6.3V, X5R
0.01uF, 16V, X7R
0.3V
1V
2.2µH, 1.8A
8.87kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
F
@
Schottky 1A, 10VR
50mA Diode
Operating Conditions: 5V to 1.5V/1A
FIGURE 8. V
Bill of Materials for Figure 8
BOOST
13
Derived from V
Part Number
LM2734ZX
C3216X5ROJ106M
C3216X5ROJ106M
C1005X7R1C103K
MBRM110L
1N4148W
ME3220–222MX
CRCW06038871F
CRCW06031022F
CRCW06031003F
IN
Manufacturer
National Semiconductor
TDK
TDK
TDK
ON Semi
Diodes, Inc.
Coilcraft
Vishay
Vishay
Vishay
20130342
www.national.com
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