LM2734Y EVAL National Semiconductor, LM2734Y EVAL Datasheet - Page 17

• 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: -

LM2734Y Circuit 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
22µF, 6.3V, X5R
0.01µF, 16V, X7R
0.3V
1V
10µH, 1.6A,
8.87kΩ, 1%
10.2kΩ, 1%
100kΩ, 1%
F
@ 50mA Diode
F
Schottky 1A, 10VR
FIGURE 11. LM2734Y (550kHz)
Bill of Materials for
V
BOOST
5V to 1.5V/1A
Derived from V
17
Part Number
LM2734Y
C3216X5ROJ106M
C3216X5ROJ226M
C1005X7R1C103K
MBRM110L
1N4148W
SLF7032T-100M1R4
CRCW06038871F
CRCW06031022F
CRCW06031003F
Figure 11
IN
Manufacturer
National Semiconductor
TDK
TDK
TDK
ON Semi
Diodes, Inc.
TDK
Vishay
Vishay
Vishay
20102342
www.national.com