LM2734Y EVAL National Semiconductor, LM2734Y EVAL Datasheet - Page 13

• Manufacturer Part Number: LM2734Y EVAL
• Description: BOARD EVALUATION LM2734Y
• Manufacturer: National Semiconductor

Specifications of LM2734Y EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 1A
• Voltage - Input: 3 ~ 20V
• Regulator Topology: Buck
• Frequency - Switching: 550kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM2734
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

Part ID
U1
C1, Input Cap
C2, Output Cap
C3, Boost Cap
CFF
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
1000pF 25V
0.34V
1V
4.7µH, 1.7A
31.6kΩ, 1%
10kΩ, 1%
100kΩ, 1%
F
@ 50mA Diode
F
Schottky 1A, 30VR
FIGURE 7. LM2734X (1.6MHz)
Bill of Materials for
V
BOOST
12V to 3.3V/1A
Derived from V
13
Part Number
NSC
C3225X7R1E106M
C3216X5ROJ226M
C1005X7R1C103K
C0603X5R1E102K
SS1P3L
1N4148W
VLCF4020T- 4R7N1R2
CRCW06033162F
CRCW06031002F
CRCW06031003F
Figure 7
OUT
Manufacturer
LM2734X
TDK
TDK
TDK
TDK
Vishay
Diodes, Inc.
TDK
Vishay
Vishay
Vishay
20102343
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