Buck Converter Layout: Hot Loop, Switch Node, Copper
The schematic sets efficiency; the layout sets temperature. Hot loop, input capacitor ripple, switch-node ringing, thermal vias, and the loss budget that decides the copper.
Read articleComponent catalog
Brand: ROCHESTER ELECTRONICS
Compare searchable component records, narrow the catalog by published technical fields, and request supplier-verified availability for your exact requirement.
01
Catalog visibility
Listings identify searchable components; current fulfilment and reservation are confirmed separately.
02
Stock verification
Availability, quantity, packaging and date code are checked per request.
03
Commercial confirmation
Price, MOQ, lead time and shipping terms are finalized in the quote.
Filters 0 groups
-
NB4L339MNGNB4L339MNG - Rochester Electronics, QFN-32
Rochester Electronics ROCHESTER ELECTRONICSQFN-32In Stock 7893 units available$19.41 USD Final price in quote -
N8251A-GN8251A-G - Rochester Electronics Microcontroller, CDIP-28
Rochester Electronics ROCHESTER ELECTRONICSCDIP-28In Stock 1155 units available$54.23 USD Final price in quote -
PCM69AUPCM69AU - Rochester Electronics Audio Amplifier
Rochester Electronics ROCHESTER ELECTRONICSSOIC-20In Stock 10854 units available$23.09 USD Final price in quote -
PAL22V10CF-7JCPAL22V10CF-7JC - Rochester Electronics FPGA, PLCC-28-11-53X11-53
Rochester Electronics ROCHESTER ELECTRONICSPLCC-28In Stock 101 units available$19.19 USD Final price in quote -
MOC217R2VMMOC217R2VM - Rochester Electronics Isolator, SOIC-8
Rochester Electronics ROCHESTER ELECTRONICSSOIC-8In Stock 4340 units available$0.36 USD Final price in quote -
NM27C520M90XNM27C520M90X - Rochester Electronics EEPROM, PLCC-32
Rochester Electronics ROCHESTER ELECTRONICSPLCC-32In Stock 5000 units available$1.88 USD Final price in quote -
NM24C65UNNM24C65UN - Rochester Electronics Memory IC, DIP-8
Rochester Electronics ROCHESTER ELECTRONICSDIP-8In Stock 1171 units available$1.02 USD Final price in quote -
MM908E626AVEKMM908E626AVEK - Rochester Electronics Memory IC, SOIC-54
Rochester Electronics ROCHESTER ELECTRONICSSOIC-54In Stock 864 units available$10.04 USD Final price in quote -
SN74ACT3641-30PQSN74ACT3641-30PQ - Rochester Electronics Logic IC, QFP
Rochester Electronics ROCHESTER ELECTRONICSQFP-33In Stock 278 units available$32.69 USD Final price in quote -
MC74ACT14DTR2GMC74ACT14DTR2G - Rochester Electronics
Rochester Electronics ROCHESTER ELECTRONICSTSSOP-14In Stock 47284 units available$0.26 USD Final price in quote -
MC14541BDMC14541BD - Rochester Electronics
Rochester Electronics ROCHESTER ELECTRONICSSOIC-14In Stock 817 units available$0.40 USD Final price in quote -
SN74ABT7819-10PHSN74ABT7819-10PH - Rochester Electronics Logic IC, TQFP-100 (14×14 mm)
Rochester Electronics ROCHESTER ELECTRONICSTQFP-100 (14×14 mm)In Stock 2777 units available$33.41 USD Final price in quote -
MC10H642FNR2MC10H642FNR2 - Rochester Electronics Microprocessor, 28-PLCC (11.51x11.51)
Rochester Electronics ROCHESTER ELECTRONICS28-PLCC (11.51x11.51)In Stock 500 units available$47.79 USD Final price in quote -
NL17SZ16XV5T2NL17SZ16XV5T2 - Rochester Electronics, SOT553
Rochester Electronics ROCHESTER ELECTRONICSSOT553In Stock 6616 units available$0.09 USD Final price in quote -
SN74ABT7819-12PNSN74ABT7819-12PN - Rochester Electronics Logic IC, TQFP-100 (14×14 mm)
Rochester Electronics ROCHESTER ELECTRONICSTQFP-100 (14×14 mm)In Stock 1896 units available$14.14 USD Final price in quote -
S99FL132KBIS3S99FL132KBIS3 - Rochester Electronics Memory IC, BGA-24
Rochester Electronics ROCHESTER ELECTRONICSBGA-24In Stock 2500 units available$3.86 USD Final price in quote -
SN74ABT623NSRSN74ABT623NSR - Rochester Electronics Logic IC, TSSOP-56
Rochester Electronics ROCHESTER ELECTRONICSTSSOP-56In Stock 1306 units available$1.83 USD Final price in quote -
NBXDBB017LN1TAGNBXDBB017LN1TAG - Rochester Electronics, CLCC
Rochester Electronics ROCHESTER ELECTRONICSCLCCIn Stock 5209 units available$13.55 USD Final price in quote -
NM24C05LNNM24C05LN - Rochester Electronics Memory IC, DIP-8
Rochester Electronics ROCHESTER ELECTRONICSDIP-8In Stock 13310 units available$0.73 USD Final price in quote -
NM24C05LENNM24C05LEN - Rochester Electronics Memory IC, DIP-8
Rochester Electronics ROCHESTER ELECTRONICSDIP-8In Stock 960 units available$0.75 USD Final price in quote -
MPC8548CPXAUJBMPC8548CPXAUJB - Rochester Electronics Microprocessor, PBGA783
Rochester Electronics ROCHESTER ELECTRONICSPBGA783In Stock 66 units available$276.20 USD Final price in quote -
MC100LVEL11DMC100LVEL11D - Rochester Electronics Logic IC, SOIC-8
Rochester Electronics ROCHESTER ELECTRONICSSOIC-8In Stock 23889 units available$1.88 USD Final price in quote -
MC74ACT541MGMC74ACT541MG - Rochester Electronics, SOIC-20
Rochester Electronics ROCHESTER ELECTRONICSSOIC-20In Stock 449 units available$0.72 USD Final price in quote -
MC100LVE210FNR2GMC100LVE210FNR2G - Rochester Electronics, LCC
Rochester Electronics ROCHESTER ELECTRONICSPLCC-32In Stock 808 units available$47.79 USD Final price in quote
Supply boundary
A searchable catalog is not an inventory promise.
Product records help identify a manufacturer part number and technical family. A listed part may be fulfilled from Chip-seek warehouse-held stock or a reviewed sourcing channel. Source, quantity, packaging, date code, MOQ, price and lead time are confirmed before an order is accepted.
From the desk
Recent Articles
Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
MOQ and Partial Reels: What the Price Break Costs
A partial reel is cheaper per piece and riskier per failure. Tape anatomy, count tolerance, moisture history, and the five clauses that prevent most surprises.
Read article
LM7805 Guide: Pinout, Heat Limits and Buck Alternatives
Work out whether a 7805 can power your board: check its pins, input headroom, realistic heat budget and the changes required for a buck replacement.
Read article
Incoming Inspection: Sampling, Tests, and Records
A receiving routine that holds up in an audit: ISO 2859-1 sampling, AQL by part class, cheap-to-expensive test order, and records someone else can reproduce.
Read article
USB 2.0 Pair Routing: Impedance, Skew, and Return Path
At 480 Mb/s a bit is 2.08 ns. 90 ohm impedance, 50 mil skew, and a continuous return path decide whether the link keeps high speed...
Read article
LM317 Guide: Pinout, Resistor Values and Heat Limits
Choose LM317 resistor values, identify the output-connected tab, check minimum load and calculate a realistic heat budget before approving a replacement.
Read article
Crystal Startup: Load Caps, Negative Resistance, Probes
An oscillator that starts on the bench and fails cold has a margin problem. Load capacitor math, the negative-resistance test, and the probe that stops the...
Read article
I2C Timing: Rise Time, Pull-Ups, and Probe Traps
Most I2C failures are rise time and capacitance, not protocol. The 30-70% measurement, the pull-up window, and the probe that changes the answer.
Read article