Varnitronics
TMI3244T TMI
TMI

TMI3244T

Step-down type 550kHz Adjustable 4A SOT-23-6 Voltage Regulators - DC DC Switching Regulators RoHS

SOT-23-6ROHS CompliantActive

18V, Peak 4A Synchronous COT Step-Down Converter

Manufacturer
TMI
Manufacturer part #
TMI3244T
Store part #
C840542
Package / case
SOT-23-6
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

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

2,816 in stock

#C840542

Stock & price checked 28 h ago

QuantityUnit pricePack price
1+₹19.13₹19.13
10+₹15.27₹152.70
30+₹13.34₹400.20
100+₹11.89₹1,189.00
500+₹10.73₹5,365.00
1,000+₹10.15₹10,150.00

1 × ₹19.13

₹19.13

excl. GST

₹22.57 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: 3,000 per reel

TMI3244T

₹19.13 for 1 + GST

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Specifications

Operating Temperature
-40℃~+125℃@(TJ)
Function
Step-down type
Frequency - Switching
550kHz
Number of Outputs
1
Features
Cycle-by-cycle current limiting;Hiccup current limiting;Light load efficient mode;Overcurrent Protection
Output Type
Adjustable
Topology
Buck
Operating Voltage
4.5V~18V
Switch tube (built-in/external)
Built-in
Output Current
4A
Quiescent Current
300uA

Packaging & compliance

RoHS
ROHS Compliant
Lifecycle
Active
Moisture sensitivity
MSL 1 (unlimited)
Packaging
Tape & Reel (TR)
Standard pack
3,000 / Reel
Sold per
Piece
Minimum order
1
Unit weight
0.037 g

Overview

The TMI3244T is a high efficiency 550kHz, Constant-on-Time (COT) control mode, synchronous step-down DC-DC converter capable of delivering up to Peak 4.0A current with 1.2V output voltage. TMI3244T 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 550kHz switching frequency. It adopts the COT architecture to achieve fast transient responses for high voltage step down applications. The TMI3244T requires a minimum number of readily available standard external components and is available in a 6-pin SOT23-6 ROHS compliant package.

Applications

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

Key features

  • 60mΩ/30mΩ Low RDS(ON) internal FETs
  • High Efficiency Synchronous-Mode Operation
  • Wide Input Range: 4.5V to 18V
  • Output Voltage from 0.765V
  • 550kHz Switch Frequency
  • Up to 4A Output Current@1.2VOUT
  • COT control to achieve fast transient responses
  • Power Save Mode at Light Load
  • Integrated internal compensation
  • Stable with Low ESR Ceramic Output Capacitors
  • Over Current Protection with Hiccup Mode
  • Thermal Shutdown
  • Inrush Current Limit and Soft Start
  • Build in Input Over Voltage Protection
  • Available in SOT23-6 Package

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