lm2854mhx-500 National Semiconductor Corporation, lm2854mhx-500 Datasheet - Page 10

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

www.national.com
LM2854 500 kHz Pre-Biased Startup Waveform
V
IN
LM2854 500 kHz Power Off Characteristic
(oscilloscope set at infinite persistence)
(oscilloscope set at infinite persistence)
= 5.0V, V
V
LM2854 500 kHz Switch Node Voltage
OUT
V
IN
= 2.5V, I
= 5.0V, V
OUT
= 1.8V, I
OUT
OUT
= 0A, V
= 2.5V, I
OUT
PRE-BIAS
= 4A, C
OUT
= 4A
SS
= 1.25V
= 220 pF
30052833
30052855
30052835
10
V
IN
= 5.0V, V
LM2854 1 MHz Load Transient Response
LM2854 500 kHz Startup Waveform
di/dt
OUT
≊
V
= 3.3V, I
4A/µs, C
OUT
= 2.5V, I
OUT
O
= 100 µF ceramic
= 0.5A to 4A to 0.5A step
OUT
= 0A
30052856
30052834