L6275 데이터 시트보기 (PDF) - STMicroelectronics

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L6275

5V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO”

STMicroelectronics 

L6275

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

VCC

Maximum Supply voltage

Vdd

Maximum Logic supply

Vin max

Maximum digital input voltage

Vin min

Minimum digital input voltage

SPINDLE Ipeak Spindle peak sink/source output current

VCM Ipeak VCM peak sink/source output current

Ptot (*)

Maximum Total Power Dissipation

Tstg, Tj

Maximum Storage/Junction Temperature

THERMAL DATA

Symbol

Rth j-case

Rth j-amb (*)

Parameter

Thermal Resistance Junction to Case

Thermal Resistance to Junction to ambient

(*) In typical application with multilayer 120X120mm Printed Circuit Board

RECOMMENDED OPERATING CONDITIONS

Symbol

Vdd

Tamb

Tj

Parameter

Supply Voltage

Operating Ambient Temperature

Junction Temperature

Value

Unit

-0.5 to 14

V

-0.5 to 6

V

Vdd +0.3V

V

GND - 0.3V

V

2.1

A

1.6

A

≈ 1.7

W

-40 to 150

°C

Value

≈ 20

≈ 40

Unit

°C/W

°C/W

Value

Unit

4.5 to 5.5

V

0 to 70

°C

0 to 125

°C

ELECTRICAL CHARACTERISTICS (All specifications are for 0 < Tamb < 70°C, VCC = 12V; VDD = 5V,

FLL_RES = 62kΩ, unless otherwise specified.)

Symbol

Parameter

POWER SUPPLIES

Vrectified VCC Supply Rectified

Vdd

5V supply

IVdd

5V supply

THERMAL SENSING

TSD

Shutdown Temperature

THYS

Hysteresis

TEW

Early Warning

Test Condition

SPINDLE + VCM

SPINDLE ONLY

VCM ONLY

Min. Typ. Max. Unit

3.5

13.2

V

4.5

5.5

V

6

mA

7

mA

12

mA

150

180

°C

60

°C

TSD-25

°C

4/17

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