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RT7262E

2A, 21V 500kHz Synchronous Step-Down Converter

RT7262E
New

The RT7262E is a synchronous step-down regulator with integrated power MOSFETs. It achieves 2A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization.Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. An adjustable soft-start reduces the stress on the input source at start-up.The RT7262E requires a minimal number of readily available external components, providing a compact solution.

Applications

  • Distributive Power Systems
  • Battery Charger
  • DSL Modems
  • Pre-Regulator for Linear Regulators

Key Spec.

RT7262E
Status EOL
Vin (min) (V) 4.5
Vin (max) (V) 21
Number of Outputs 1
Vout (min) (V) 0.808
Vout (max) (V) 15
Output Adj. Method Resistor
Iout (max) (A) 2
Current Limit (typ) (A) 5.5
Freq (typ) (kHz) 500
Freq (min) (kHz) 300
Freq (max) (kHz) 2000
Ext Sync Yes
Ron_HS (typ) (mOhm) 150
Ron_LS (typ) (mOhm) 60
Iq (typ) (mA) 0.7
Features Adjustable Soft-Start;Current Mode Control;Enable Input;External Synchronization;Internal Compensation;OCP;OTP;PSM;Power Good;Stable with Ceramic Capacitor;UVP
Package Type PSOP-8;WDFN4x3-14

Features

  • Wide Input Range : 4.5V to 21V

  • Adjustable Output from 0.808V to 15V

  • 2A Output Current

  • 150mΩ/60mΩ Internal Power MOSFET Switch

  • Internal Compensation Minimizes External Parts

  • 500kHz Fixed Switching Frequency

  • Synchronized External Clock from 300kHz to 2MHz

  • Adjustable Soft-Start

  • Cycle-by-Cycle Over Current Limit

  • Thermal Shutdown Protection

  • Available in SOP-8 (Exposed Pad) and 14-Lead WDFN Packages

  • RoHS Compliant and Halogen Free

Datasheet

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How to estimate control loop bandwidth from the transient response time?

Datasheet

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