TPS64200 Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23 | TI.com

TPS64200 (ACTIVE) Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23

Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23 - TPS64200
Datasheet
 

Recommended alternative parts

  • TPS54318  -  TPS54318 is a 6V, 3A integrated FET DC/DC converter with enhanced performance and feature set

Description

The TPS6420x are nonsynchronous step-down controllers that are ideally suited for systems powered from a 5-V or 3.3-V bus or for applications powered from a 1-cell Li-Ion battery or from a 2- to 4-cell NiCd, NiMH, or alkaline battery. These step-down controllers drive an external P-channel MOSFET allowing design flexibility. To achieve highest efficiency over a wide load current range, this controller uses a minimum on time, minimum off time control scheme and consumes only 20-µA quiescent current. The minimum on time of typically 600 ns (TPS64203) allows the use of small inductors and capacitors. When disabled, the current consumption is reduced to less than 1 µA. The TPS6420x is available in the 6-pin SOT23 (DBV) package and operates over a free air temperature range of –40°C to 85°C.

Features

  • Step-Down Controller for Applications With up to 95% Efficiency
  • 1.8-V to 6.5-V Operating Input Voltage Range
  • Adjustable Output Voltage Range From 1.2 V to VI
  • High Efficiency Over a Wide Load Current Range
  • 100% Maximum Duty Cycle for Lowest Dropout
  • Internal Softstart
  • 20-µA Quiescent Current (Typical)
  • Overcurrent Protected
  • Available in a SOT23 Package
  • APPLICATIONS
    • USB Powered Peripherals
    • Organizers, PDAs, and Handheld PCs
    • Low Power DSP Supply
    • Digital Cameras
    • Hard Disk Drives
    • Portable Audio Players

Parametrics

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Part number Order Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Number of Phases Switching frequency (Min) (kHz) Switching frequency (Max) (kHz) Iq (Typ) (mA) Features Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Control mode
TPS64200 Order now 1.8     6.5     1.2     6.5     3     1     1     350     350     0.02     Enable     100     -40 to 85     Catalog     SOT-23 | 6     Controller     Hysteretic    
TPS64201 Order now 1.8     6.5     1.2     6.5     3     1     1     450     450     0.02     Enable     100     -40 to 85     Catalog     SOT-23 | 6     Controller     Hysteretic    
TPS64202 Order now 1.8     6.5     1.2     6.5     3     1     1     550     550     0.02     Enable     100     -40 to 85     Catalog     SOT-23 | 6     Controller     Hysteretic    
TPS64203 Order now 1.8     6.5     1.2     6.5     3     1     1     800     800     0.02     Enable     100     -40 to 85     Catalog     SOT-23 | 6     Controller     Hysteretic