AIC2857F Datasheet PDF – HV Buck Converter – AIC

Part Number : AIC2857F

Function : HV Syn Step Down Converter

Package : SOP 8 Pin Type

Manufacturers : Analog Intergrations

Image :
AIC2857F datasheet

Description

The AIC2857F is a synchronous step-down regulator with an integrated Power MOSFET. It
achieves 2A continuous output current over a wide input supply range with excellent load
and line regulation.

Features :

  • 2A Continuous Output Current
  • Programmable Soft Start
  • 130mΩ Internal Power MOSFET Switches
  • Stable with Low ESR Output Ceramic Capacitors
  • Up to 93% Efficiency
  • <1μA Supply Current in Shutdown Mode
  • Fixed 340KHz Frequency
  • Thermal Shutdown
  • Cycle by Cycle Over Current Protection
  • Wide 4.75 to 23V Operating Input Range
  • Output Adjustable from 0.925V to 12V
  • Under Voltage Lockout

AIC2857F Product
Applications :

1. Networking Systems such as Modems & Routers

2. Distributed Power Systems

3. Pre-Regulator for Linear Regulators

AIC2857F Datasheet PDF

AIC2857F pdf

Other data sheets within the file : AIC1385, AIC1386, AIC1387, AIC1388, AIC2362

CL1501 Datasheet – Non-isolated Buck Offline LED Driver

This is one of the LED Driver types.

Part Number : CL1501

Function : Non-isolated Step-Down LED Constant Current Driver

Package : SOP-8 Pin Type

Manufacturers : Chiplink ( www.chiplink-tech.com )

See the preview image and the PDF file for more information.

Image
cl1501-datasheet-pinout

 

Description :

CL1501 is a high performance step-down constant current driver IC, can achieve high precision constant current LED driver. The chip works in the inductor current Pro Continuous mode (TM), the working voltage covering 85Vac ~ 265Vac. Integrated 500V power devices within the chip, peripheral applications without auxiliary winding inspection Measurement and power supply to achieve high precision constant current, greatly reducing the external cost.

CL1501 has a variety of constant current auxiliary function, to achieve excellent linear compensation and high precision constant current effect. CL1501 work in the critical continuous inductor current Mode (TM), the output current does not change with the change in inductance and load, with excellent load regulation characteristics.

CL1501 integrates a variety of protection features, greatly enhancing the reliability of the system. Protection features include LED open-circuit protection, LED short-circuit protection, and under-voltage protection Voltage lock, current sampling resistor short-circuit protection and over-temperature regulation.

 

CL1501 pinout

cl1501-application-circuit

 

Features

1. Wide input voltage
2. ± 5% LED output current accuracy
3. Internal integrated 500V power tube
4. chip ultra-low operating current
5. Inductor current critical continuous mode (TM)
6. No auxiliary winding
7. Excellent line voltage regulation and load regulation
8. LED on / short circuit protection
9. current sampling resistor short-circuit protection
10. Undervoltage Lockout (UVLO)
11. Over temperature adjustment function

 

CL1501 Datasheet

 

 

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