L7200 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

L7200

MOZART, 12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO”

STMicroelectronics 

L7200

ELECTRICAL CHARACTERISTCS (continued)

Symbol

Parameter

Test Condition

VICM INPUT COMMON MODE

RANGE

FODB UNITY GAIN BANDWIDTH

VCM, POWER STAGE

RDS(ON) Output On Resistance (Each

Device)

Tj = 25°C

Tj = 125°C

Io Operating Current

IO(LEAK) Output Leakage Current

Vcc = 14V

VCM, CURRENT SENSE AMPLIFIER

AV Voltage Gain

VICM Input Common Mode Range

VOCM Output Common Mode Range -1mA < Io < 1mA

VOS Output Offset Voltage

SENSE_IN(-/+) = Vcc/4

F3dB 3dB Bandwidth

CMRR Input Common Mode Rejection

Ratio

PSRR Power Supply Rejection Ratio

VCM RETRACT

Vpark Retract Voltage

PKV=0 & PKV1=0 & PKV2=0

PKV=1 & PKV1=0 & PKV2=0

PKV=0 & PKV1=1 & PKV2=0

PKV=1 & PKV1=1 & PKV2=0

PKV=0 & PKV1=0 & PKV2=1

PKV=1 & PKV1=0 & PKV2=1

PKV=0 & PKV1=1 & PKV2=1

PKV=1 & PKV1=1 & PKV2=1

Tretract

Retract Time

limited by the internal

oscillator 200KHz

RT0 = 0 & RT1 = 0

RT0 = 1 & RT1 = 0

RT0 = 0 & RT1 = 1

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 Start-up Current

IO(LEAK) Output Leakage Current

VCC = 14V

Min. Typ. Max.

VCC/4

+/-1.5

10

Unit

V

MHz

0.25

0.35

Ω

1.3

A

1.0

mA

3.88

4

4.12 V/V

-0.3

Vcc

V

+0.3

1.5

4.5

V

10

mV

3

MHz

50

dB

60

dB

0.30

V

0.60

0.90

1.20

1.50

1.80

2.10

2.40

80

ms

160

320

640

200 500

ns

0.25

Ω

0.35

2

A

1.0

mA

8/23

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