lm2854mhx-500 National Semiconductor Corporation, lm2854mhx-500 Datasheet - Page 8

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

www.national.com
R
FB1
L
V
V
OUT
LM2854 500 kHz Efficiency vs. I
LM2854 500 kHz Efficiency vs. I
= 150 kΩ, R
OUT
OUT
V
IN
= 0.82 µH, C
= 3.3V, L
= 2.5V, L
= 3.3V, V
LM2854 1 MHz Bode Plot
COMP
O
O
OUT
= 1.5 µH, 9.7 mΩ DCR
= 2.2 µH, 16 mΩ DCR
OUT
= 1 kΩ, C
= 1.8V, I
= 100 µF ceramic
OUT
COMP
= 4A
= 100 pF,
OUT
OUT
30052821
30052823
30052825
8
R
FB1
V
V
L
LM2854 500 kHz Efficiency vs. I
LM2854 500 kHz Efficiency vs. I
OUT
OUT
OUT
= 250 kΩ, R
V
IN
= 1.2V, L
= 1.8V, L
LM2854 500 kHz Bode Plot
= 1.5 µH, C
= 3.3V, V
COMP
O
O
OUT
= 1.5 µH, 9.7 mΩ DCR
= 1.5 µH, 9.7 mΩ DCR
OUT
= 1 kΩ, C
= 1.8V, I
= 100 µF ceramic
OUT
COMP
= 4A
= 47 pF,
OUT
OUT
30052822
30052824
30052826