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ONSEMI NCV8856ADBR2G
DC/DC Controller, Synchronous Buck, 4.5V to 38V, 1 Output, TSSOP-20
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- Manufacturer:
- ONSEMI ONSEMI
- Manufacturer Part No:
- NCV8856ADBR2G
- Order Code:
- 4244100
-
- Technical Datasheet:
- NCV8856ADBR2G Datasheet
- ECAD / MCAD
-
Product Overview
NCV8856ADBR2G is an adjustable output, synchronous buck controller, which drives dual N channel MOSFETs, ideal for high power applications. Average current mode control is employed for very fast transient response and tight regulation over wide input voltage and output load ranges. The IC incorporates an internal fixed 6.0V low dropout linear regulator, which supplies charge to the switch mode power supply’s (SMPS) bottom gate driver, limiting the power lost to excess gate drive. The IC is designed for operation over an input voltage range of 4.5V to 38V and is capable of 10 to 1 voltage conversion at 500KHz. Additional controller features include undervoltage lockout, overvoltage shutdown, internal soft start, low quiescent current sleep mode, programmable frequency, SYNC function, average current limiting, cycle−by−cycle overcurrent protection and Thermal shutdown. Application includes automotive systems requiring high current, pre regulated supply for low voltage SMPSs and LDOs.
- Average current mode control, 0.8V ±2% reference voltage
- Wide input voltage range of 4.5V to 38V
- Operates through load dump conditions
- 6.0V low dropout linear regulator (LDO)
- Input UVLO (undervoltage lockout), internal soft start
- 6.2µA maximum quiescent current in sleep mode
- Adaptive non overlap circuitry, 180ns minimum high side gate off time
- Programmable fixed frequency range from 170KHz to 500KHz
- Average current limiting (ACL), cycle by cycle overcurrent protection (OCP)
- TSSOP−20 package, operating junction temperature range from -40 to 150°C
Product Information
Technical Documents (1)
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RM15.33
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