Varnitronics
TMI3258 TMI
TMI

TMI3258

Step-down type 500kHz~700kHz Adjustable 3A SOT-563 Voltage Regulators - DC DC Switching Regulators RoHS

SOT-563ROHS CompliantActive

High Efficiency 600kHz 3A Synchronous Step-Down Converter

Manufacturer
TMI
Manufacturer part #
TMI3258
Store part #
C478949
Package / case
SOT-563
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

1,068 in stock

#C478949

Stock & price checked 27 h ago

QuantityUnit pricePack price
1+₹15.97₹15.97
10+₹12.73₹127.30
30+₹11.11₹333.30
100+₹9.90₹990.00
500+₹8.93₹4,465.00
1,000+₹8.44₹8,440.00

1 × ₹15.97

₹15.97

excl. GST

₹18.84 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 7–10 working days
  • GST invoice with every order
  • Standard pack: 5,000 per reel

TMI3258

₹15.97 for 1 + GST

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Specifications

Operating Temperature
-40℃~+125℃
Function
Step-down type
Frequency - Switching
500kHz~700kHz
Number of Outputs
1
Features
Cycle-by-cycle current limiting;Hiccup current limiting;Overcurrent Protection
Output Type
Adjustable
Topology
Buck
Operating Voltage
4.5V~18V
Switch tube (built-in/external)
Built-in
Output Current
3A
Quiescent Current
300uA

Packaging & compliance

RoHS
ROHS Compliant
Lifecycle
Active
Moisture sensitivity
MSL 1 (unlimited)
Packaging
Tape & Reel (TR)
Standard pack
5,000 / Reel
Sold per
Piece
Minimum order
1
Unit weight
0.012 g

Overview

A high efficiency 600kHz current mode constant on-time (CM-COT) control mode synchronous step-down DC-DC converter capable of delivering 3A current. Integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor size are achieved with 600kHz switching frequency. Adopts the CM-COT architecture to achieve fast transient responses for high voltage step down applications. Requires a minimum number of readily available standard external components and is available in a space saving 6-pin SOT563 ROHS compliant package.

Applications

  • Digital Set Top Boxes
  • Flat Panel Television and Monitors
  • Notebook computer
  • Wireless and DSL Modems

Key features

  • High Efficiency: Up to 93%(@3.3V)
  • 600kHz Frequency Operation
  • Up to 3.0A Output Current
  • Low RDS(ON) for internal switches: 70mΩ/35mΩ(top/bottom)
  • 4.5V to 18V Input Voltage Range
  • 0.807V Reference
  • Current mode COT control to achieve fast transient responses
  • Integrated internal compensation
  • Stable with Low ESR Ceramic Output Capacitors
  • Over Current Protection with Hiccup Mode
  • Thermal Shutdown
  • Inrush Current Limit and Soft Start
  • Available in SOT563 Package

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