XI'AN Aerosemi Tech
MT3540-F231.2MHz Boost Adjustable 1.23V~28V 1.5A SOT-23-5 Voltage Regulators - DC DC Switching Regulators RoHS
From
₹6.88
4,17,672 in stock
TMIDatasheet (PDF)
TMI3257I
800kHz Step-down type Adjustable 2A SOT-563 Voltage Regulators - DC DC Switching Regulators RoHS
SOT-563ROHS CompliantActive
800kHz, 18V, 2A Synchronous COT Step-Down Converter
- Manufacturer
- TMI
- Manufacturer part #
- TMI3257I
- Store part #
- C2985057
- Package / case
- SOT-563
- Packaging
- Tape & Reel (TR)
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement · policy
1,060 in stock
#C2985057
Stock & price checked 5 days ago
| Quantity | Unit price | Pack price |
|---|---|---|
| 5+ | ₹17.73 | ₹88.65 |
| 50+ | ₹14.30 | ₹715.00 |
| 150+ | ₹12.59 | ₹1,888.50 |
| 500+ | ₹11.31 | ₹5,655.00 |
| 2,500+ | ₹10.28 | ₹25,700.00 |
| 5,000+ | ₹9.76 | ₹48,800.00 |
5 × ₹17.73
₹88.65
excl. GST
₹104.61 incl. 18% GST
- Dispatch in 7–10 working days
- GST invoice with every order
- Standard pack: 5,000 per reel
TMI3257I
₹88.65 for 5 + GST
Specifications
- Operating Temperature
- -40℃~+125℃
- Frequency - Switching
- 800kHz
- Function
- Step-down type
- Number of Outputs
- 1
- Features
- Cycle-by-cycle current limiting;Hiccup current limiting;Overcurrent Protection;Light load efficient mode
- Topology
- Buck
- Output Type
- Adjustable
- Operating Voltage
- 4.5V~18V
- Switch tube (built-in/external)
- Built-in
- Output Current
- 2A
- Quiescent Current
- 350uA
Packaging & compliance
- RoHS
- ROHS Compliant
- Lifecycle
- Active
- Packaging
- Tape & Reel (TR)
- Standard pack
- 5,000 / Reel
- Sold per
- Piece
- Minimum order
- 5 (multiples of 5)
- Unit weight
- 0.05 g
Overview
The TMI3257I is a high efficiency, 800kHz switching frequency, Constant on-Time (COT) control mode synchronous step-down DC-DC converter capable of delivering up to 2A current with small size SOT563 package. 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 800kHz switching frequency. It adopts the COT architecture to achieve fast transient responses for high voltage step down applications. The TMI3257I requires a minimum number of readily available standard external components and is available in a 6-pin small size SOT563 RoHS compliant package.
Applications
- Digital Set Top Boxes
- Flat Panel Television and Monitors
- Wireless and DSL Modems
Key features
- 130mΩ/65mΩ Low RDS(ON) internal FETs
- High Efficiency Synchronous-Mode Operation
- Wide Input Range: 4.5V to 18V
- 0.807V Reference Voltage
- Typical 800kHz Switch Frequency
- Up to 2A Output Current
- 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 SOT563 Package
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