L6275 데이터 시트보기 (PDF) - STMicroelectronics

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L6275

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

STMicroelectronics 

L6275

ELECTRICAL CHARACTERISTICS (Continued)

Symbol

Parameter

Test Condition

Vclamp Output Clamp Voltage

-1mA < IO < 1mA

Lowside/Highside clamp

FODB

Unity Gain Bandwidth

VCM, POWER STAGE

RDS(ON)

IO

IO(LEAK)

Output ON Resistance (Each

device)

Operating Current

Output Leakage Current

Tj = 25°C

Tj = 125°C

VCC = 5.5V

VCM, CURRENT SENSE AMPLIFIER

AV

Voltage Gain

VICM

VOCM

VOS

Input Common Mode Range

Output Common Mode Range

Output Offset Voltage

-3mA < IO < 3mA

SENSE_IN (±) = Vdd/2

F3dB

3dB Bandwidth

CMRR Input Common Mode Rejection

PSRR Power Supply Rejection Ratio

VCM, RETRACT

Vp ark

RETRACT VOLTAGE

PKV_1 = 0 & PKV_2 = 0

PKV_1 = 0 & PKV_2 = 1

PKV_1 = 1 & PKV_2 = 0

PKV_1 = 1 & PKV_2 = 1

Tretract

Retract Time

limited by the internal oscillator

200kHz

RT0 = 0 & RT1 = 0

RT0 = 0 & RT1 = 1

RT0 = 1 & RT1 = 0

RT0 = 1 & RT1 = 1

SPINDLE, PWM CURRENT SENSE COMPARATOR

TDLY

Delay to FCOM Out

SPINDLE, POWER STAGE

RDS(ON)

Output On Resistance (Each

device)

Tj = 25°C

Tj = 125°C

IO

IO(LEAK)

dVO/dt

Start-Up Current

Output Leakage Current

Output Slew Rate (Linear)

VCC = 14V

Rslew = 100kΩ

Output Slew Rate (PWM)

Reg#8Eh, Bit 0 = 0

Reg#8Eh, Bit 0 = 1

BEMFMIN Minimum BENF Voltage for

Detection

VHYS

Hysteresis

FLL CHARGE PUMP OUTPUT

IL EAK

IO

Off State Leakage

On State Current

0 < Vfll_res , 3V

FLL_RES = 62kΩ

ICP = ”1”

ICP = ”0”

VRCP

Current Set Voltage

FLL_RES = 62kΩ

6/17

Min.

Typ.

Vdd/2±

1.4V

10

Max.

Unit

V

MHz

0.5

Ω

0.8

Ω

1.3

A

1.0

mA

3.88

4

4.12 V/V

-0.3

Vdd+0.3 V

2

Vdd-2

V

-15

15

mV

1

MHz

50

dB

60

dB

0.850

mV

0.650

mV

1.600

mV

1.150

mV

160

ms

320

ms

80

ms

160

ms

200 500

ns

0.45

Ω

0.74

Ω

2

A

1.0

mA

0.2

0.3

0.5 V/µs

10

V/µs

20

V/µs

20

28

40 mVp-p

15

mV

-50

+50

nA

22

25

32

µA

80

100 120

µA

1.18 1.225 1.25

V

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