NCP81232 Datasheet, PDF (1/24 Pages) ON Semiconductor – Dual-Channel/Multi-Phase Controller for DrMOS

NCP81232
Dual-Channel/Multi-Phase
Controller for DrMOS
The NCP81232, a dual−channel/multi−phase synchronous buck
controller, provides power management solutions for various
applications supported by DrMOS. It has 8 programmable
power−stage configurations, differential voltage and current sense,
flexible power sequence programming, and comprehensive
protections.
Features
• Vin = 4.5~20 V with Input Feedforward
• Integrated 5.35 V LDO
• Vout = 0.6 V ~ 5.3 V
• Fsw = 200k ~ 1.2 MHz
• PWM Output Compatible to 3.3 V and 5 V DrMOS
• Flexible 8 Combinations of Power Stage Configurations (1~2 Output
Rails, 1~4 Phases)
• DDR Power Mode Option
• Interleaved Operation
• Differential Output Voltage Sense
• Differential Current Sense Compatible for both Inductor DCR Sense
and DrMOS Iout
• 2 Enables with Programmable Input UVLO
• Programmable DrMOS Power Ready Detection (DRVON)
• 2 Power Good Indicators
• Comprehensive Fault Indicator
• Externally Programmable Soft Start and Delay Time
• Programmable Hiccup Over Current Protection
• Hiccup Under Voltage Protection
• Recoverable Over Voltage Protection
• Hiccup Over Temperature Protection
• Thermal Shutdown Protection
• QFN−40, 5x5 mm, 0.4 mm Pitch Package
• This is a Pb−Free Device
Typical Applications
• Telecom Applications
• Server and Storage System
• Multiple Rail Systems
• DDR Applications
www.onsemi.com
MARKING
DIAGRAM
1 40
QFN40
CASE 485CR
1
TBD
YYWWAG
A
= Assembly Location
YY
= Year
WW = Work Week
G
= Pb−Free Package
ORDERING INFORMATION
Device
Package
Shipping^†
NCP81232MNTXG QFN40
(Pb−Free)
2500 /
Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2015
1
June, 2015 − Rev. 0
Publication Order Number:
NCP81232/D