lm2854mhx-500 National Semiconductor Corporation, lm2854mhx-500 Datasheet - Page 19

• Manufacturer Part Number: lm2854mhx-500
• Description: 4a 500 Khz /1 Mhz Synchronous Simple Switcher Buck Requlator
• Manufacturer: National Semiconductor Corporation

LM2854 Application Circuit Schematic and BOMs
This section provides several application solutions with an
associated bill of materials. All bill of materials reference the
schematic below. The compensation for each solution was
optimized to work over the full input range. Many applications
Ref Des
R
C
R
R
C
TABLE 5. LM2854 500kHz Bill of Materials, V
C
COMP
COMP
U1
C
L
R
C
FB1
FB2
SS
IN
O
O
F
F
1.0 µF, ±10%, X7R, 10V
10 nF, ±10%, X7R, 16V
33 pF, ±5%, C0G, 50V
1.5 µH, 9.7 mΩ, 10A
Synchronous Buck
100 µF, X5R, 6.3V
47 µF, X5R, 10V
Description
Regulator
80.6 kΩ
249 kΩ
1.0 kΩ
1.0Ω
7.1 x 6.5 x 3.0 mm
IN
eTSSOP-16
= 5V, V
Case Size
1210
1210
0603
0603
0603
0603
0603
0603
0603
19
OUT
have a fixed input voltage rail. It is possible to modify the
compensation to obtain a faster transient response for a given
input voltage operating point.
= 3.3V, I
OUT(MAX)
National Semiconductor
Manufacturer
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
= 4A, Optimized for Efficiency
Murata
Murata
TDK
TDK
TDK
TDK
30052854
GRM188R71C103KA01
GRM188R71A105KA61
CRCW060328062F-e3
SPM6530T-1R5M100
CRCW06032493F-e3
CRCW06031001F-e3
CRCW06031R0F-e3
C3225X5R1A476M
C3225X5R0J107M
C1608C0G1H330J
Manufacturer P/N
LM2854MHX-500
www.national.com