TOP Electronic Industry Co., Ltd.
| Payment Terms | T/T, Western Union, |
| Supply Ability | 1000pcs per month |
| Delivery Time | 3-5 working days after received the payment |
| Packaging Details | Packed in original tray firstly ,then carton, at last Bubble bag for outer packing |
| Function | Step-Up, Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Buck, Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Brand Name | Texas Instruments |
| Model Number | UC2843BDG |
| Certification | CE, GCF, ROHS |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union, | Supply Ability | 1000pcs per month |
| Delivery Time | 3-5 working days after received the payment | Packaging Details | Packed in original tray firstly ,then carton, at last Bubble bag for outer packing |
| Function | Step-Up, Step-Down | Output Configuration | Positive or Negative |
| Topology | Buck, Boost | Output Type | Adjustable |
| Number of Outputs | 1 | Brand Name | Texas Instruments |
| Model Number | UC2843BDG | Certification | CE, GCF, ROHS |
| Place of Origin | China | ||
| High Light | UC2843BDG PWM controller 500kHz ，current-mode PWM controller 30V input ，UC2843BDG power supply IC | ||
UC2843BDG Current-Mode PWM Controller 500kHz Operation High Drive Output Wide 8V-30V Input Precision Reference Low Cost Robust Protection Versatile for Power Supplies
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Features
andbull; Trimmed Oscillator for Precise Frequency Control
andbull; Oscillator Frequency Guaranteed at 250 kHz
andbull; Current Mode Operation to 500 kHz
andbull; Automatic Feed Forward Compensation
andbull; Latching PWM for Cycleandminus;Byandminus;Cycle Current Limiting
andbull; Internally Trimmed Reference with Undervoltage Lockout
andbull; High Current Totem Pole Output
andbull; Undervoltage Lockout with Hysteresis
andbull; Low Startup and Operating Current
andbull; This is a Pbandminus;Free and Halideandminus;Free Device
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Applications
1:Off-line switching power supplies (AC-DC converters): Power adapters (e.g., laptops, monitors), industrial power systems, consumer electronics (TVs, audio equipment).
2:DC-DC converters: Boost converters (battery voltage step-up), flyback converters (isolated power supplies up to 100W-150W).
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Description
The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Offandminus;Line and DCandminus;DC converter applications offering the designer a costandminus;effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycleandminus;byandminus;cycle current limiting, programmable output deadtime, and a latch for single pulse metering.
These devices are available in an 8andminus;pin dualandminus;inandminus;line and surface mount (SOICandminus;8) plastic package as well as the 14andminus;pin plastic surface mount (SOICandminus;14). The SOICandminus;14 package has separate power and ground pins for the totem pole output stage.
The UCX842B has UVLO thresholds of 16 V (on) and 10 V (off), ideally suited for offandminus;line converters. The UCX843B is tailored for lower voltage applications having UVLO thresholds of 8.5 V (on) and 7.6 V (off).
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INFORMATION
| Category | andnbsp; | |
| Manufacturer | onsemi | andnbsp; |
| Series | - | andnbsp; |
| Packaging | Tube | andnbsp; |
| Part Status | Obsolete | andnbsp; |
| Output Type | Transistor Driver | andnbsp; |
| Function | Step-Up, Step-Up/Step-Down | andnbsp; |
| Output Configuration | Positive, Isolation Capable | andnbsp; |
| Topology | Boost, Flyback | andnbsp; |
| Number of Outputs | 1 | andnbsp; |
| Output Phases | 1 | andnbsp; |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V | andnbsp; |
| Frequency - Switching | Up to 500kHz | andnbsp; |
| Duty Cycle (Max) | 96% | andnbsp; |
| Synchronous Rectifier | No | andnbsp; |
| Clock Sync | No | andnbsp; |
| Serial Interfaces | - | andnbsp; |
| Control Features | Frequency Control | andnbsp; |
| Operating Temperature | -25anddeg;C ~ 85anddeg;C (TA) | andnbsp; |
| Mounting Type | Surface Mount | andnbsp; |
| Package / Case | 14-SOIC (0.154andquot;, 3.90mm Width) | andnbsp; |
| Supplier Device Package | 14-SOIC | andnbsp; |
| Base Product Number |
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Drawing
Our advantage :phones, PDAand#39;s, notebook comput.ers
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be sure to meet your need for all kinds of components. ^_^
Product List
Supply a Series of Electronic Components, full range of semiconductors, active andamp; passive Components.We can help you to get all for bom of the PCB,IN a word, you can get one-stop solution here,
The offers including:
Integrated Circuit, Memory ICs, Diode, Transistor , Capacitor, Resistor, Varistor, Fuse, Trimmer andamp; Potentiometer, Transformer, Battery, Cable, Relay, Switch, Connector, Terminal Block, Crystal andamp; Oscillator, Inductor, Sensor, Transformer, IGBT Driver, LED,LCD, Convertor, PCB (Printed Circuit Board),PCBA (PCB Assembly)
Strong in Brand:
Microchip, MAX, AD, TI, ATMEL, ST, ON, NS, Intersil, Winbond, Vishay, ISSI, Infineon, NEC, FAIRCHILD, OMRON,YAGEO, TDK, etc
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
>10000000
Employee Number:
>20
Ecer Certification：
Verified Supplier
Thank you for your time to know our company and lean our production. TOP Electronic Industry co., Ltdandnbsp; was established in 2006. After 10 years effort and development, now we have become one of the leading electronic components distributors in China. We keep very kind relationship with our ... Thank you for your time to know our company and lean our production. TOP Electronic Industry co., Ltdandnbsp; was established in 2006. After 10 years effort and development, now we have become one of the leading electronic components distributors in China. We keep very kind relationship with our ...
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