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LM5574MT - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 6V-75Vin, 1.225V-70Vout, 500mAout, TSSOP-16

TEXAS INSTRUMENTS LM5574MT

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Nº da peça do fabricante:
LM5574MT
Código Farnell
1325419
Ficha técnica:
(EN)
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Informação do produto

:
75V
:
500mA
:
1Outputs
:
125°C
:
16Pins
:
70V
:
1.225V
:
6V
:
-
:
Buck (Step Down)
:
-
:
TSSOP
:
485kHz
:
Cut Tape
:
MSL 1 - Unlimited
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Descrição geral do produto

The LM5574MT is an easy-to-use SIMPLE SWITCHER® Buck Regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 to 75V, the LM5574 delivers 0.5A of continuous output current with an integrated 750mR N-channel MOSFET. The regulator utilizes an emulated current-mode architecture which provides inherent line regulation, tight load transient response and ease of loop compensation without the usual limitation of low-duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 to 500kHz to allow optimization of size and efficiency. To reduce EMI, a frequency synchronization pin allows multiple IC's from the LM(2)557x family to self-synchronize or to synchronize to an external clock. The LM5574 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shut-down and remote shut-down.
  • Master or slave frequency synchronization
  • Adjustable soft-start function
  • Emulated current-mode control architecture
  • Wide bandwidth error amplifier
  • Built-in protection
  • 1.5% Feedback reference accuracy

Aplicações

Automotive, Industrial

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