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RICHTEK RT7240GSP(Z10) product image
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RICHTEK RT7240GSP(Z10)RoHS

Manufacturer
RICHTEKAsian Brands
MPN
RT7240GSP(Z10)
LCSC Part #
C130798
Packaging
SOP-8-EP
Customer #
Key Attributes
5A, 18V, 650kHz, Synchronous Step-Down Converter
Datasheetpdf iconRICHTEK RT7240GSP(Z10)
In-Stock: 96
96 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.6677$ 0.67
10+$ 0.5407$ 5.41
30+$ 0.4788$ 14.36
100+$ 0.4153$ 41.53
500+$ 0.3779$ 188.95
1,000+$ 0.3583$ 358.30
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerRICHTEK
PackagingSOP-8-EP
Operating Temperature-40℃~+125℃
Frequency - Switching650kHz
FunctionStep-down type
Number of Outputs1
FeaturesAdjustable soft-start;Cycle-by-cycle current limiting;Protection latch;Hiccup current limiting;Output discharge;Operating status indication;Overcurrent Protection
Output TypeAdjustable
TopologyBuck
Operating Voltage4.5V~18V
Switch tube (built-in/external)Built-in
Output Voltage765mV~8V
Output Current5A
Quiescent Current1.3mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The RT7235/36/39/40 is a synchronous step-down DC/ DC converter with Advanced Constant On-Time (ACOTTM) mode control. It achieves high power density to deliver up to 5A output current from a 4.5V to 18V input supply. The proprietary ACOTTM mode offers an optimal transient response over a wide range of loads and all kinds of ceramic capacitors, which allows the device to adopt very low ESR output capacitor for ensuring performance stabilization. In addition, RT7235/36/39/40 keeps an excellent constant switching frequency under line and load variation and the integrated synchronous power switches with the ACOTTM mode operation provides high efficiency in whole output current load range. Cycle-by-cycle current limit provides an accurate protection by a valley detection of low side MOSFET and external soft-start setting eliminates input current surge during startup. Protection functions include thermal shutdown for RT7235/36/39/40, output Under Voltage Protection (UVP) / Over Voltage Protection (OVP) for RT7235/36. When the UVP/OVP is triggered, the device will enter latch mode for TSSOP-14 (Exposed Pad), and hiccup mode for WDFN-10L 3x3. The RT7235/36 are available in TSSOP-14 (Exposed Pad) and WDFN-10L 3x3 packages, and the RT7235 is operated in forced continuous conduction mode. The RT7239/40 are available in the SOP-8 (Exposed Pad) package, and the RT7239 is operated in forced continuous conduction mode.

Features

AI Translation
  • ACOTTM Mode Enables Fast Transient Response
  • 4.5V to 18V Input Voltage Range
  • 5A Output Current
  • 35mΩ Internal Low Site N-MOSFET
  • Advanced Constant On-Time Control
  • Support All Ceramic Capacitors
  • Up to 95% Efficiency
  • 650kHz Switching Frequency at all Load Current (RT7235, RT7239)
  • Discontinuous Operating Mode at Light Load (RT7236, RT7240)
  • Adjustable Output Voltage from 0.765V to 8V
  • Adjustable Soft-Start
  • Cycle-by-Cycle Current Limit
  • Input Under Voltage Lockout
  • Thermal Shutdown
  • RoHS Compliant and Halogen Free

Applications

AI Translation
  • Industrial and Commercial Low Power Systems
  • Computer Peripherals
  • LCD Monitors and TVs
  • Green Electronics/Appliances
  • Point of Load Regulation for High-Performance DSPs, FPGAs, and ASICs