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RT7257DLZSP

RT7257DLZSP -RICHTEK - DC-DC Switching Buck Step Down Regulator, Adjustable, 4.5V-18Vin, 800mV-12Vout, 3Aout, SOP-8

RICHTEK RT7257DLZSP

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Manufacturer:
RICHTEK RICHTEK
Manufacturer Part No:
RT7257DLZSP
Order Code:
2341354
Technical Datasheet:
RT7257DLZSP   Datasheet
See all Technical Docs

Product Overview

The RT7257DLZSP is a high-efficiency monolithic synchronous step-down DC-to-DC Converter can deliver up to 3A output current from a 4.5 to 18V input supply. The RT7257D's current-mode architecture and external compensation allow the transient response to be optimized over a wide input voltage range and loads. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RT7257D also provides undervoltage protection and thermal shutdown protection. The low current (<3µA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems.
  • Integrated N-MOSFET switches
  • Current-mode control
  • Pin-short matrix feature
  • Programmable soft-start
  • Cycle-by-cycle overcurrent protection
  • Undervoltage lockout input
  • Up to 95% efficiency
  • ±1.5% High accuracy reference voltage

Applications

Wireless, Communications & Networking, Consumer Electronics, Industrial, Power Management

Product Information

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:
Synchronous Buck (Step Down)
:
4.5V
:
18V
:
1Outputs
:
SOP
:
8Pins
:
3A
:
800mV
:
12V
:
1.4MHz
:
85°C
:
-
:
-
:
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Technical Docs (1)

No Longer Manufactured

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