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LB11850VA: Single-Phase Full-Wave Fan Motor Pre-Driver with Speed Control Function

Overview
Specifications
Datasheet: Single-phase Full-wave Fan Motor Pre-Driver IC with Speed Control Function
Rev. 0 (107.0kB)
Product Overview
»View Material Composition
»Product Change Notification (2)
The LB11850VA is a single-phase bipolar fan motor driver with speed control function that works with a speed feedback signal. A highly efficient, quiet and low power consumption motor driver circuit, with a high speed accuracy and large variable speed can be implemented by adding a small number of external components. This pre-driver is optimal for driving large scale fan motors (with large air volume and large current) such as those used in servers and consumer products.
Features
 
  • Pre-driver for single-phase full-wave drive
  • On-chip speed control circuit
  • External PWM input or analog voltage input enabling variable speed control
  • On-chip soft start circuit
  • Reactive current cut circuit incorporated
  • Constraint protection and automatic reset functions incorporated
  • FG (speed detection), RD (lock detection) output
  • Constant-voltage output pin for hall bias
Technical Documentation & Design Resources
Data Sheets (1) Package Drawings (1)
Availability and Samples
Product
Status
Compliance
Description
Package
MSL*
Container
Budgetary Price/Unit
Type
Case Outline
Type
Qty.
LB11850VA-MPB-E Last Shipments
Pb-free
Single-Phase Full-Wave Fan Motor Pre-Driver with Speed Control Function SSOP-24 565AR 3 Fan-Fold 70  
LB11850VA-MPB-H Last Shipments
Pb-free
Halide free
Single-Phase Full-Wave Fan Motor Pre-Driver with Speed Control Function SSOP-24 565AR 3 Fan-Fold 70  
LB11850VA-TLM-E Active, Not Rec
Pb-free
Single-Phase Full-Wave Fan Motor Pre-Driver with Speed Control Function SSOP-24 565AR 3 Tape and Reel 2000 $0.6976
LB11850VA-TLM-H Active
Pb-free
Halide free
Single-Phase Full-Wave Fan Motor Pre-Driver with Speed Control Function SSOP-24 565AR 3 Tape and Reel 2000 $0.6667
Moisture Sensitivity level (MSL) for surface mount devices (lead free measured at 260°C reflow, non lead free at 235°C reflow)
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Datasheet: Single-phase Full-wave Fan Motor Pre-Driver IC with Speed Control Function
Rev. 0 (107.0kB)
Product Overview
»View Material Composition
»Product Change Notification (2)

Product Compliance Status Description Phase VM Min (V) VM Max (V) VCC Min (V) VCC Max (V) IO Max (A) IO Peak Max (A) Control Type Current Sense Regulator Output Fault Detection Package Type
Pb-free
Halide free
 Active     Single-Phase Full-Wave Fan Motor Pre-Driver with Speed Control Function 
1
   
5.5
18
0.02
 
DC
External Resistor
Yes
Over-Current
SSOP-24
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