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The RT2652 is a high efficiency synchronous, step-down DC/DC converter. The available input voltage range is from 2.7V to 5.5V the regulated output voltage is adjustable from 0.6V to VIN while delivering up to 2A of output current. The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode. The switching frequency is fixed internally at 1.2MHz. The 100% duty cycle provides low dropout operation extending battery life in portable systems. Current mode operation with internal compensation allows the transient response to be optimized. The RT2652 is available in the WDFN-10L 3x3 package.

Applications

  • Enterprise Servers
  • Ethernet Switches & Routers
  • Global Storage
  • Telecom & Industrial
  • Cell Phones & DSC's
Key Spec.
RT2652
Status Active
Vin (min) (V) 2.7
Vin (max) (V) 5.5
Number of Outputs 1
Vout (min) (V) 0.6
Vout (max) (V) 5.5
Output Adj. Method Resistor
Iout (max) (A) 2
Current Limit (typ) (A) 3.5
Freq (typ) (kHz) 1200
Ext Sync No
Ron_HS (typ) (mOhm) 110
Ron_LS (typ) (mOhm) 70
Iq (typ) (mA) 0.11
Features 100% Duty Cycle;Current Mode Control;Enable Input;Fast Transient Response;Internal Compensation;OCP;OTP;PSM;Stable with Ceramic Capacitor;UVP
Package Type WDFN3x3-10
Features
  • High Efficiency : Up to 95%
  • Fixed Frequency : 1.2MHz
  • No Schottky Diode Required
  • Internal Compensation
  • 0.6V Reference Allows Low Output Voltage
  • 100% Duty Cycle for Low Dropout Operation
  • OCP, UVP, OTP
  • RoHS Compliant and Halogen Free
Datasheet
TitleLast UpdateDownload
2A, 1.2MHz Synchronous Step-Down Converter2012/11/09
Reference Design
TitleLast UpdateDownload
Richtek Load Transient Tool2022/07/25
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT2652GQWWDFN3x3-101500 Request Buy from Distributor
Please confirm with our distributor or sales representative for actual stock status.
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