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| Brand Name : | Texas Instruments |
| Model Number : | LM2676SX-5.0 |
| Certification : | CE, GCF, ROHS |
| Price : | Negotiable |
| Payment Terms : | T/T, Western Union, |
| Supply Ability : | 1000pcs per month |
| Delivery Time : | 3-5 working days after received the payment |
LM2676SX-5.0
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Features
andbull; New product available:andndash; LMR51430 4.5 to 36-V, 3-A, 500-kHz and 1.1 MHz synchronous converter
andbull; For faster time to market:andndash; TLVM13630 3 to 36-V, 3-A, 200-kHz to 2.2-MHz power module
andbull; Efficiency up to 94%
andbull; Simple and easy to design with (using off-the-shelf external components)
andbull; 150-mandOmega; DMOS output switch
andbull; 3.3-V, 5-V, 12-V fixed output and adjustable (1.2 V to 37 V) versions
andbull; 50-andmicro;A standby current when switched OFF
andbull; andplusmn;2% maximum output tolerance over full line and load conditions
andbull; Wide input voltage range: 8 V to 40 V
andbull; 260-kHz fixed frequency internal oscillator
andbull;andndash;40 to 125anddeg;C operating junction temperature range
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Applications
andbull; Communication module
andbull; Electricity meter
andbull; Calling button operating panel
andbull; Motor drives
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Description
The LM2676 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 3-A loads with excellent line and load regulation characteristics. High efficiency (andgt; 90%) is obtained through the use of a low ON resistance DMOS power switch. The series consists of fixed output voltages of 3.3 V, 5 V, and 12 V and an adjustable output version.
The SIMPLE SWITCHERandreg; power converter concept provides for a complete design using a minimum number of external components. A high fixed frequency oscillator (260 kHz) allows the use of physically smaller sized components. A family of standard inductors for use with the LM2676 are available from several manufacturers to greatly simplify the design process.
The LM2676 series also has built-in thermal shutdown, current limiting, and an ON and OFF control input that can power down the regulator to a low 50‑andmicro;A quiescent current standby condition. The output voltage is ensured to a andplusmn;2% tolerance. The clock frequency is controlled to within a andplusmn;11% tolerance.
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Information
Category | ||
Mfr | ||
Series | ||
Packaging | Tape andamp; Reel (TR)andnbsp; Cut Tape (CTandnbsp;) Digi-Reelandnbsp; | |
Part Status | Obsolete | |
Function | Step-Down | |
Output Configuration | Positive | |
Topology | ||
Output Type | ||
Number of Outputs | 1 | |
Voltage - Input (Min) | 8V | |
Voltage - Input (Max) | 40V | |
Voltage - Output (Min/Fixed) | ||
Voltage - Output (Max) | - | |
Current - Output | ||
Frequency - Switching | 260kHz | |
Synchronous Rectifier | No | |
Operating Temperature | -40anddeg;C ~ 125anddeg;C (TJ) | |
Mounting Type | Surface Mount | |
Package / Case | ||
Supplier Device Package | TO-263 (DDPAK-7) | |
Base Product Number |
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Drawing

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