Low

LM2854MH-500 - 

DC-DC omkopplande Buckregulator (ned), Justerbar, 2,95V-5,5Vin, 800mV-5Vout, 4Aout, HTSSOP-16

TEXAS INSTRUMENTS LM2854MH-500

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Tillverkarens art.nr.:
LM2854MH-500
Orderkod:
1589528
Tekniskt datablad:
(EN)
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Produktinformation

:
85°C
:
1Utgång(-ar)
:
2.95V
:
Synkron reduktion (Steg ner)
:
800mV
:
Klippt remsa
:
1MHz
:
5V
:
HTSSOP
:
5.5V
:
-
:
16Stift
:
4A
:
-
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Produktöversikt

The LM2854MH-500 is a PowerWise™ SIMPLE SWITCHER® Buck Regulator capable of driving up to a 4A load with exceptional power conversion efficiency, line and load regulation and output accuracy. The LM2854 can accept an input voltage rail between 2.95 and 5.5V and deliver an adjustable and highly accurate output voltage as low as 0.8V. Externally established soft-start with a small capacitor facilitates controlled startup and the LM2854 is capable of starting gracefully into a pre-biased output voltage. Partial internal compensation reduces the number of external passive components and PC board space typically necessary in a voltage mode buck converter application, yet preserving flexibility to deal with ceramic or electrolytic based load capacitors. Lossless cycle-by-cycle peak current limit is used to protect the load from an overcurrent or short-circuit fault and an enable comparator simplifies sequencing applications.
  • Wide bandwidth voltage mode control loop, partial internal compensation
  • Optimized reference voltage initial accuracy and temperature drift
  • External soft-start control with tracking capability
  • Enable pin with hysteresis
  • Pre-biased load start-up capability
  • Integrated UVLO, OCP and thermal shutdown
  • 100% Duty cycle capability
  • 35mR Integrated MOSFET switches
  • 230µA Low standby current
  • Green product and no Sb/Br

Tillämpningar

Kraftsystem Management, Telekommunikation & Networking, Datorer & kringutrustning till datorer

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