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Texas Instruments LM53635-Q1 | Demoboard TIDA-01055
2.5/3.5A, 36 V Synchronous, 2.1MHz, Automotive Step Down DC-DC Converter
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 3.9-36 V |
| Schaltfrequenz | 1850-2350 kHz |
| Ausgang 1 | 5.2 V / 3.5 A |
| IC-Revision | A |
Beschreibung
The LM53625-Q1/LM53635-Q1 synchronous buck regulator is optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Advanced high-speed circuitry allows the LM53625-Q1/LM53635-Q1 to regulate from an input of 18 V to an output of 3.3 V at a fixed frequency of 2.1 MHz. Innovative architecture allows this device to regulate a 3.3-V output from an input voltage of only 3.55 V. All aspects of the LM53625-Q1/LM53635-Q1 are optimized for automotive and performance-driven industrial customers. An input voltage range up to 36 V, with transient tolerance up to 42 V, eases input surge protection design. The automotive-qualified Hotrod QFN package with wettable flanks reduces parasitic inductance and resistance while increasing efficiency, minimizing switch node ringing, and dramatically lowering electromagnetic interference (EMI). An open-drain reset output, with built-in filtering and delay, provides a true indication of system status. This feature negates the requirement for an additional supervisory component, saving cost and board space. Seamless transition between PWM and PFM modes and low quiescent current (only 15 µA for the 3.3 V option) ensure high efficiency and superior transient responses at all loads.
Eigenschaften
- AEC-Q100 Automotive Qualified:
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
- Device HBM Classification Level 2
- Device CDM Classification Level C6
- –40°C to +150°C Junction Temperature Range
- 15-µA Quiescent Current at no Load (Typical) with 3.3-V Output
- 4 mm × 5 mm, 0.5-mm Pitch VQFN Package With Wettable Flanks and 0.6-mm VIN Spacing
- Low EMI and Switch Noise
- Spread Spectrum Option
- External Frequency Synchronization
- RESET Output with Internal Filter and 3-ms Release Timer
- Pin-Selectable Forced PWM Mode
- Built-In Compensation, Soft Start, Current Limit, Thermal Shutdown, and UVLO
- 0.6-V Dropout at 3.5 A at 105°C TA
- ±1% Output Voltage Tolerance (–40°C to 125°C TJ)
- Available With Fixed 5-V, 3.3-V or Adjustable Output
Typische Anwendungen
- Automotive Telematics, In-Dash Instrumentation, Navigation Systems
- Battery-Powered Applications
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins | PCB/Kabel/Panel | Modularity | Typ | Wire Section | λDom typ.(nm) | Emittierte Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | Q(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Montageart | Ti | Ø ID(mm) | Ø OD(mm) | VPE | Arbeitsspannung(V (AC)) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT-Speicherdrossel, 2, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Pins2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Bauform2828 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge2.8 mm | Breite2.8 mm | Höhe2.8 mm | – | – | Induktivität6.8 µH | Nennstrom1.1 A | Sättigungsstrom1.3 A | Eigenresonanzfrequenz59 MHz | MontageartSMT | – | – | – | Verpackungseinheit550 | – | ||||
 | WE-TPC SMT-Speicherdrossel, 2, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Pins2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Bauform3816 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge3.8 mm | Breite3.8 mm | Höhe1.65 mm | – | – | Induktivität68 µH | Nennstrom0.32 A | Sättigungsstrom0.22 A | Eigenresonanzfrequenz12 MHz | MontageartSMT | – | – | – | Verpackungseinheit1000 | – | ||||
 | WR-TBL Series 213 - 5.00 mm Horiz.l Entry Modular, 2, Käfigzugklemme | Simulation– | Downloads6 Dateien | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Pins2 | PCB/Kabel/PanelPCB | ModularityJa | TypHorizontal | Wire Section 26 to 16 (AWG) 0.5 to 1.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | – | – | Länge10 mm | – | – | – | VerpackungKarton | – | Nennstrom10 A | – | – | MontageartTHT | – | – | – | – | Arbeitsspannung250 V (AC) | |||
 | WR-PHD Stiftleisten - Einreihig, 2, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | Pins2 | – | – | TypGerade | – | – | – | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | Isolationswiderstand1000 MΩ | – | Länge5.08 mm | – | – | – | VerpackungBeutel | – | Nennstrom3 A | – | – | MontageartTHT | – | – | – | – | Arbeitsspannung250 V (AC) | |||
 | WR-PHD Stiftleisten - Einreihig, 3, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | Pins3 | – | – | TypGerade | – | – | – | – | – | – | – | – | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | Isolationswiderstand1000 MΩ | – | Länge7.62 mm | – | – | – | VerpackungBeutel | – | Nennstrom3 A | – | – | MontageartTHT | – | – | – | – | Arbeitsspannung250 V (AC) | |||
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| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | dominante Wellenlänge [typ.]625 nm | Emittierte FarbeRot | Spitzen-Wellenlänge [typ.]630 nm | Lichtstärke [typ.]250 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | Bauform0603 | Betriebstemperatur -40 °C up to +85 °C | – | – | – | Länge1.6 mm | Breite0.8 mm | Höhe0.7 mm | – | VerpackungTape and Reel | – | – | – | – | MontageartSMT | – | – | – | Verpackungseinheit4000 | – | |||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Kapazität100 pF | Kapazität±5% | Nennspannung50 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Güte1000 % | Isolationswiderstand10 GΩ | KeramiktypNP0 Klasse I | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | Verpackungseinheit4000 | – | |||||
 | WA-SMSI SMT Stahl Spacer mit Innengewinde M3, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWA-SMSI SMT Stahl Spacer mit Innengewinde M3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Betriebstemperatur -55 °C up to +150 °C | – | – | – | Länge5 mm | – | – | – | VerpackungTape and Reel | – | – | – | – | – | InnengewindeM3 | Innendurchmesser4.2 mm | Außendurchmesser6 mm | Verpackungseinheit650 | – |