LM3424BKBSTEVAL National Semiconductor, LM3424BKBSTEVAL Datasheet - Page 32

• Manufacturer Part Number: LM3424BKBSTEVAL
• Description: BOARD, EVALUATION, FOR LM3424BKBST
• Manufacturer: National Semiconductor

Specifications of LM3424BKBSTEVAL

• Kit Contents: Assembled LM3424 Buck-Boost Evaluation Board, Application Note, LM3424 Datasheet
• Svhc: No SVHC (15-Dec-2010)
• Kit Features: 1A Output, Thermal Foldback, Analogue Dimming, High Frequency
• Mcu Supported Families: LM3424

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6. OUTPUT CAPACITANCE
Solve for C
The closest capacitance totals 40 µF therefore Δi
Determine minimum allowable RMS current rating:
The chosen components from step 6 are:
7. PEAK CURRENT LIMIT
Solve for R
The closest standard resistor is 0.04 Ω therefore I
The chosen component from step 7 is:
8. SLOPE COMPENSATION
Solve for R
The chosen component from step 8 is:
O
LIM
SLP
:
:
:
LED-PP
LIM
is:
is:
32
9. LOOP COMPENSATION
ω
ω
T
To ensure stability, calculate ω
Solve for C
To attenuate switching noise, calculate ω
Assume R
The chosen components from step 9 are:
U0
P1
Z1
is approximated:
is approximated:
is approximated:
FS
CMP
= 10Ω and solve for C
:
P2
:
FS
:
P3
: