LM5118EVAL National Semiconductor, LM5118EVAL Datasheet - Page 4

• Manufacturer Part Number: LM5118EVAL
• Description: Buck-Boost Controller Eval. Board
• Manufacturer: National Semiconductor

Specifications of LM5118EVAL

• Silicon Manufacturer: National
• Application Sub Type: Buck/Boost Controller
• Kit Application Type: Power Management - Voltage Regulator
• Silicon Core Number: LM5118

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Typical Waveforms
CH1: V
CH2: Q1 = 20V/div
CH3: Q2 = 10V/div
CH4: I
CH1: V
CH2: Q1 = 20V/div
CH3: Q2 = 10V/div
CH4: I
FIGURE 7. Vin = 18V, Iout = 3A Illustrating Buck Operation
FIGURE 6. Vin = 10V, Iout = 1A, illustrating Buck-Boost
L
L
SW
SW
= 5A/div
= 2A/div
= 20V/div
= 20V/div
Operation
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4
CH2: V
CH4: I
CH1: V
CH2: V
CH3: VCC = 5V/div
CH4: UVLO = 5V/div
OUT
OUT
IN
OUT
= 10V/div
= 1A/div
= 0.1V/div
= 10V/div
FIGURE 8. Transient Response
FIGURE 9. Start-Up Waveforms
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