BD7902CFS

Optical disc ICs

2/17

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Absolute maximum ratings (Ta=25

°C)

Parameter

Symbol

Unit

POWER MOS

power suuply voltage

Preblock/BTL powerblock

power supply voltage

PWM control block

power supply voltage

Power dissipation

Operating temperature range

Storage temperature

SPVM1,2,SLRNF1,2

Pd

Topr

Tstg

Limits

−55~+150

15

7

−35~+85

V

V

V

W

°C

°C

∗1 POWER MOS output terminals (9, 11, 18, 34~37pin) is contained.

∗2 PCB (70mm×70mm×1.6mm glass epoxy) mounting.

Reduced by 20.8mW for each increase in Ta of 1

°C over 25°C.

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Recommended operating conditions (Ta=25

°C)

(Set the power supply voltage taking allowable dissipation into considering)

Parameter

Symbol

Max.

Typ.

Min.

Unit

POWER MOS Power supply voltage 1

POWER MOS Power supply voltage 2

SPVM1, 2

−

SLRNF1, 2

−

−

−

V

V

Preblock Power supply voltage

Power block Power supply voltage

AVM

14

12

AVM

5.0

4.3

V

V

PWM control block Power supply voltage

Spindle output current

Iosp

6.0

5.0

4.3

1.2

−

V

A

SL/FO/TR/LO output current

0.8

Ioo

0.5

−

A

∗4 The current is guaranteed 3.0A in case of the current is turned on/off in a duty-ratio of

less than 1/10 with a maximum on-time of 5msec.