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UPD16858B Datasheet

  • UPD16858B

  • UPD16858B/C Data Sheet | Data Sheet[08/1999]

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  • 16頁(yè)

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD16858B/C
THREE-PHASE SPINDLE MOTOR DRIVER FOR MONOLITHIC CD-ROM
DESCRIPTION
The
碌
PD16858B/C is a three-phase spindle motor driver for CD-ROM drives and consists of a CMOS control circuit
and a MOS bridge output.
This motor driver employs a three-phase full-wave PWM driving method. Because it has an output stage consisting
of MOS FETs, the motor driver consumes less power than the existing linear drivers using bipolar transistors.
The product is supplied in the form of a small, slim 30-pin shrink SOP.
This spindle motor driver is ideal for driving slim-type spindle motors in notebook PCs and so on.
FEATURES
鈥?Both normal PWM type (16858B) and synchronous rectification PWM type (16858C) are available.
鈥?Low ON resistance (sum of ON resistances of upper and lower MOS FETs): R
ON
= 0.8
鈩?/div>
(TYP)
鈥?Low power consumption to three-phase full-wave PWM driving
鈥?START/STOP pin is provided. Brake is applied in STOP mode.
鈥?Standby pin is provided. Internal circuitry is turned off in standby mode.
鈥?Low current consumption: I
DD
= 3 mA (MAX), I
DD (ST)
= 1
碌
A (MAX), torque command current = 30
碌
A (MAX)
鈥?Thermal shut-down circuit and current-limiting circuit
鈥?Low-voltage malfunctioning prevention circuit
鈥?FG output function
鈥?Reverse rotation prevention circuit
鈥?Hole bias function
鈥?30-pin shrink SOP (300 mil)
ORDERING INFORMATION
Part Number
Package
30-pin shrink SOP (0.65-mm pitch, 300 mil)
30-pin shrink SOP (0.65-mm pitch, 300 mil)
碌
PD16858BGS-GJG
碌
PD16858CGS-GJG
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability
and additional information.
Document No. S13480EJ3V0DS00 (3rd edition)
Date Published August 1999 N CP(K)
Printed in Japan
漏
1999

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