LM2734Y EVAL National Semiconductor, LM2734Y EVAL Datasheet - Page 2

• 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: -

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Operating Conditions
Bill of Materials X-Version
Bill of Materials Y-Version
D2, Boost Diode
D1, Catch Diode
D1, Catch Diode
D2, Boost Diode
C2, Output Cap
D3, C4, R4, R5
C2, Output Cap
D3, C4, R4, R5
C3, Boost Cap
C3, Boost Cap
C1, Input Cap
C1, Input Cap
Part ID
Part ID
R2
U1
R1
R3
L1
R2
U1
R1
R3
L1
0.34Vf Schottky 1A, 20VR
0.34Vf Schottky 1A,
6.8µH, 1.5A, 35mΩ
1Vf
1A Buck Regulator
2.7µH, 1.8A, 22mΩ
1Vf
1A Buck Regulator
10µF, 6.3V, X5R
4.7µF, 10V, X5R
10µF, 6.3V, X5R
10µF, 10V, X5R
12.4kΩ, 1%
12.4kΩ, 1%
Part Value
@
Part Value
@
10kΩ, 1%
10kΩ, 1%
0.01µF
0.01µF
50mA Diode
20VR
50mA Diode
Open
Open
0Ω
0Ω
(Continued)
Efficiency vs Load Current
National Semiconductor
National Semiconductor
International Rectifier
International Rectifier
Manufacturer
Manufacturer
Diodes, Inc.
Diodes, Inc.
Murata
Murata
Vishay
Vishay
Vishay
Vishay
Murata
Murata
Vishay
Vishay
Vishay
Vishay
TDK
TDK
2
GRM42-6X5R106K6.3
GRM42-6X5R106K6.3
GRM42-6X5R106K10
SLF6028T-6R8M1R5
GRM42-6X5R475K10
SLF6028T-2R7M1R8
VJ0805Y103KXXA
CRCW12060R00F
CRCW12061002F
CRCW12061242F
VJ0805Y103KXXA
CRCW12060R00F
CRCW12061002F
CRCW12061242F
20131402
Part Number
Part Number
MBRA120
1N4148W
LM2734Y
MBRA120
1N4148W
LM2734X
Package Type
Package Type
Thin SOT23-6
Thin SOT23-6
SOD-123
SOD-123
1206
1206
0805
1206
6028
1206
1206
1206
1206
0805
1206
6028
1206
1206
SMA
SMA