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TEXAS INSTRUMENTS  LM2738XMY  DC-DC omkopplande Buckregulator (ned), Justerbar, 3V-20Vin, 800mV-18Vout, 1,5Aout, MSOP-8

TEXAS INSTRUMENTS LM2738XMY
Technical Data Sheet (612.43KB) EN Se alla tekniska dokument

Bilden är enbart avsedd som illustration. Se produktbeskrivningen.

Produktöversikt

The LM2738XMY is a monolithic high-frequency PWM step-down DC-to-DC Converter provides all the active functions for local DC-to-DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components, the LM2738 is easy to use. The ability to drive 1.5A loads with an internal 250mR NMOS switch using state-of-the-art 0.5µm BiCMOS technology results in the best power density available. Switching frequency is internally set to 1.6MHz, allowing the use of extremely small surface-mount inductors and chip capacitors. Even though the operating frequencies are very high, efficiencies up to 90% are easy to achieve. External enable is included, featuring an ultralow standby current of 400nA. The LM2738 utilizes current-mode control and internal compensation to provide high-performance regulation over a wide range of operating conditions.
  • Internal soft-start function
  • Current-mode and PWM operation
  • Thermal shutdown
  • 250mR NMOS switch
  • 400nA Shutdown current
  • 0.8V Internal voltage reference with2% accuracy
  • Green product and no Sb/Br

Produktinformation

Inspänning, Min:
3V
Inspänning, Max:
20V
Antal utgångar:
1Utgång(-ar)
IC-krets kapsel, DC/DC omvandlare:
MSOP
Antal stift (pins):
8Stift
Utström:
1.5A
Min. utspänning:
800mV
Max utspänning:
18V
Omkopplingsfrekvens:
1.6MHz
Topologi:
Reduktion (Steg ner)
Drifttemperatur Max:
125°C
Typ av förpackning:
Klippt remsa
Produktsortiment:
-
Kvalificeringsstandarder för fordon:
SVHC-ämne:
No SVHC (15-Jun-2015)
MSL livslängd:
-

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Tillämpningar

  • Kraftsystem Management;
  • Hemelektronik;
  • Telekommunikation & Networking

Lagstiftning och miljö

Ursprungsland:
United States

Det land där den sista betydelsefulla tillverkningsprocessen utfördes

RoHS-kompatibelt:
Ja
Tariffnr:
85423190
Vikt (kg):
.0001

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