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LB11995H - Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive

Description

Pin number 26 Pin name Pin voltage 4V to 13.6V Equivalent circuit Pin function VCC2 VCC3 Source side predrive voltage supply pin Constant current control amplifier voltage supply pin Power supply pin for all circuits except output transistors, source predriver, and constant current control am

Features

  • VC 0V to VCC1 A12359 2 1 28 27 WOUT PWR GND W phase output VCC2 23 3.9Ω 27 28 2 VOUT UOUT Output transistor GND V phase output U phase output Upper side output NPN transistor colle.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number : EN6116 LB11995H Monolithic Digital IC LB11995H Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive Overview The LB11995H is a 3-phase brushless motor driver especially suited for CD-ROM spindle motor drives. Package Dimensions unit: mm 3234-HSOP28H-C [LB11995H] 15.3 Functions • Current linear drive • Control V type amplifier • Separate power supply for output upper side bias circuit allows low output saturation by boosting this power supply only (useful for 5V power supply types). • Upper side current detection technique reduces loss voltage of current detection resistor. Voltage drop caused by this resistor reduces internal power dissipation of IC.
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