LMR43620RS3QRPERQ1
Texas InstrumentsLMR43620RS3QRPERQ1 is a Texas Instruments automotive synchronous buck converter in 9-pin VQFN-HR HotRod (2×2 mm), tape and reel — 2 A output, 3 V to 36 V input (tolerates 42 V transients), fixed 3.3 V output, AEC-Q100 Grade 1 automotive qualification, adjustable/syncable switching frequency 200 kHz to 2.2 MHz, junction temperature −40 °C to +150 °C. The HotRod flip-chip package is the selection point: no bond wires means lower switch-node ringing and better thermal performance at 2 MHz, which is what lets a 2 A automotive rail fit a 2×2 mm footprint without a heatsink. Selection advice: this code is the fixed 3.3 V version (the 3 in the ordering code denotes 3.3 V, per TI EVM naming MQ3/RQ5) — if your rail needs 5 V, the LMR43620RS5QRPERQ1 from the same TI addendum is the 5 V twin; Q1 denotes the automotive grade, RPE the HotRod package, T&R the 3,000-per-reel packing. TI lists this code Active, and DigiKey lists it as Active, Automotive grade, AEC-Q100 qualified. Evidence: the TI packaging addendum and carrier material report confirm the ordering code, AEC-Q100 status, VQFN-HR-9 package and reel quantity.
- MPN
- LMR43620RS3QRPERQ1
- Manufacturer
- Texas Instruments
- Family
- Synchronous buck regulator
- Package
- VQFN-HR-9 (2×2 mm)
- Manufacturer channel coverage
- Checked by RFQ
- Data last checked
- Commercial check required
- Required order checks
- Suffix, package, date code, lot, source and traceability
Four checks before a commercial offer.
Identity
Exact MPN, manufacturer and suffix
Supply
Supplier type, quantity and freshness
Evidence
Lot, labels, photos and documents
Terms
Price, lead time, payment and shipping
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LMR43620RS3QRPERQ1 FAQ
Is LMR43620RS3QRPERQ1 automotive-qualified?
The LMR43620RS3QRPERQ1 ordering code carries the manufacturer's automotive qualification marker. Qualification grade, temperature range and PPAP documentation depend on the exact lot offered, so state your automotive documentation requirements (PPAP level, AEC test reports) in the RFQ and we will confirm them against the offered lot before quotation.
What should I check before substituting LMR43620RS3QRPERQ1 with another Synchronous buck regulator?
Match the full ordering code, not the series name: package (VQFN-HR-9 (2×2 mm)), temperature grade and packing all ride on the suffixes. A same-series code in a different package is a different orderable device, so confirm the substitute against the Texas Instruments datasheet before changing the BOM.