LM2854MH-500/NOPB National Semiconductor, LM2854MH-500/NOPB Datasheet - Page 10

• Manufacturer Part Number: LM2854MH-500/NOPB
• Description: IC REG 4A SYNC SMPL SW 16ETSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®, SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2854MH-500/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5 V
• Current - Output: 4A
• Frequency - Switching: 500kHz
• Voltage - Input: 2.95 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2854MH-500; *LM2854MH-500/NOPB; LM2854MH-500

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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