12V Synchronous Buck Regulator Family

The ISL850xx family of sync buck regulators step-down 12V rails to POL inputs as low as 0.6V for MCUs, FPGAs, memory and peripheral I/Os. The devices deliver up to 14A of continuous output current to industrial computers and programmable logic controllers as well as telecom, test and measurement, server and storage networking equipment.

Browse Products
Part Number Internal/External
Compensation
External
Frequency Sync
Programmable
Soft-start
Switching
Frequency
Current
Rating
Datasheet Pin-Compatible
ISL85003 Yes Yes No 500kHz 3A isl85003-a.pdf  
ISL85003A Yes No Yes 500kHz 3A isl85003-a.pdf  
ISL85005 Yes Yes No 500kHz 5A isl85005-05a.pdf  
ISL85005A Yes No Yes 500kHz 5A isl85005-05a.pdf  
ISL85009 Yes Yes No 300kHz, 600kHz 9A isl85009.pdf  
ISL85012 Yes Yes No 300kHz, 600kHz 12A isl85012.pdf  
ISL85014 Yes Yes No 300kHz, 600kHz 14A isl85014.pdf  
About Intersil's 12V Regulators

12V Synchronous Buck Regulator Family Delivers Up to 14A

The ISL850xx sync buck regulators support input voltages of 3.8V to 18V and wide output current range, offering designers a complete portfolio of devices with high efficiency and reliable performance. They deliver up to 14A of continuous output current to industrial computers and programmable logic controllers as well as telecom, test and measurement, server and storage networking equipment.

The pin-compatible ISL85014, ISL85012 and ISL85009 address high load current applications, while the 5A ISL85005A and ISL85005 buck switching regulators are pin-compatible with the 3A ISL85003A and ISL85003 devices.

These regulators integrate very low RDSon high side and low side MOSFETs that reduce external component count and power loss to extend product life. Both FETs also provide current limit and reverse current limit to boost reliability and protect the system during an overcurrent event. The high efficiency ISL850xx devices enable lower die temperatures, allowing systems to operate without cooling fans or heatsinks. Their internal compensation eliminates additional external components, which reduce design complexity and bill of materials (BOM) cost.

Evaluation Platforms

The ISL85003EVAL2Z and ISL85003AEVAL2Z evaluate the performance of the ISL85003 and ISL85003A, high efficiency 3A synchronous buck regulators.
The ISL85003DEMO1Z and ISL85003ADEMO1Z demonstrate the performance of the ISL85003 and ISL85003A, high efficiency synchronous buck regulators.
The ISL85005EVAL1Z and ISL85005AEVAL1Z evaluate the performance of the ISL85005 and ISL85005A high efficiency 5A synchronous buck regulators.
ISL85009EVAL1Z
  EVAL BOARD
The ISL85009EVAL1Z board is used to evaluate the performance of the ISL85009, high efficiency 9A synchronous buck regulator.
ISL85012EVAL1Z
  EVAL BOARD
The ISL85012EVAL1Z board is used to evaluate the performance of the ISL85012, high efficiency synchronous buck regulator.
ISL85014EVAL1Z
  EVAL BOARD
The ISL85014EVAL1Z board is used to evaluate the performance of the ISL85014, high efficiency 14A synchronous buck regulator.
The ISL85005DEMO1Z and ISL85005ADEMO1Z demonstrate the ISL85005 and ISL85005A high efficiency 5A synchronous buck regulators.
Flower Power Reference Design
  REFERENCE DESIGN
Intersil's flower power reference design features a 12V switching regulator, ambient light sensor, comparator, voltage reference and MCU.
The ISL85003EVAL2Z and ISL85003AEVAL2Z evaluate the performance of the ISL85003 and ISL85003A, high efficiency 3A synchronous buck regulators.
The ISL85003DEMO1Z and ISL85003ADEMO1Z demonstrate the performance of the ISL85003 and ISL85003A, high efficiency synchronous buck regulators.
The ISL85005EVAL1Z and ISL85005AEVAL1Z evaluate the performance of the ISL85005 and ISL85005A high efficiency 5A synchronous buck regulators.
ISL85009EVAL1Z
  EVAL BOARD
The ISL85009EVAL1Z board is used to evaluate the performance of the ISL85009, high efficiency 9A synchronous buck regulator.
ISL85012EVAL1Z
  EVAL BOARD
The ISL85012EVAL1Z board is used to evaluate the performance of the ISL85012, high efficiency synchronous buck regulator.
ISL85014EVAL1Z
  EVAL BOARD
The ISL85014EVAL1Z board is used to evaluate the performance of the ISL85014, high efficiency 14A synchronous buck regulator.
The ISL85005DEMO1Z and ISL85005ADEMO1Z demonstrate the ISL85005 and ISL85005A high efficiency 5A synchronous buck regulators.
Flower Power Reference Design
  REFERENCE DESIGN
Intersil's flower power reference design features a 12V switching regulator, ambient light sensor, comparator, voltage reference and MCU.
The ISL85003EVAL2Z and ISL85003AEVAL2Z evaluate the performance of the ISL85003 and ISL85003A, high efficiency 3A synchronous buck regulators.
The ISL85003DEMO1Z and ISL85003ADEMO1Z demonstrate the performance of the ISL85003 and ISL85003A, high efficiency synchronous buck regulators.
The ISL85005EVAL1Z and ISL85005AEVAL1Z evaluate the performance of the ISL85005 and ISL85005A high efficiency 5A synchronous buck regulators.
ISL85009EVAL1Z
  EVAL BOARD
The ISL85009EVAL1Z board is used to evaluate the performance of the ISL85009, high efficiency 9A synchronous buck regulator.
ISL85012EVAL1Z
  EVAL BOARD
The ISL85012EVAL1Z board is used to evaluate the performance of the ISL85012, high efficiency synchronous buck regulator.
ISL85014EVAL1Z
  EVAL BOARD
The ISL85014EVAL1Z board is used to evaluate the performance of the ISL85014, high efficiency 14A synchronous buck regulator.
The ISL85005DEMO1Z and ISL85005ADEMO1Z demonstrate the ISL85005 and ISL85005A high efficiency 5A synchronous buck regulators.
Flower Power Reference Design
  REFERENCE DESIGN
Intersil's flower power reference design features a 12V switching regulator, ambient light sensor, comparator, voltage reference and MCU.
Design Resources

FAQs

Related Videos

Play Video
3:02
Find out how Intersil's high efficient, compact 12V synchronous buck regulator family can meet your power requirements for 12V rails.
Play Video
3:57
Intersil introduces the ISL85003 and ISL85003A synchronous buck (step-down) regulators with integrated high-side and low-side FETs.
Play Video
3:02
Find out how Intersil's high efficient, compact 12V synchronous buck regulator family can meet your power requirements for 12V rails.
Play Video
3:57
Intersil introduces the ISL85003 and ISL85003A synchronous buck (step-down) regulators with integrated high-side and low-side FETs.
Play Video
3:02
Find out how Intersil's high efficient, compact 12V synchronous buck regulator family can meet your power requirements for 12V rails.
Play Video
3:57
Intersil introduces the ISL85003 and ISL85003A synchronous buck (step-down) regulators with integrated high-side and low-side FETs.

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