BA5956FM_11 Datasheet, PDF (1/12 Pages) Rohm – Silicon Monolithic Integrated Circuit

STRUCTURE
PRODUCT SERIES
TYPE
PACKAGE OUTLINES
POWER DISSIPATION
BLOCK DIAGRAM
APPLICATION
TEST CIRCUIT
:
Silicon Monolithic Integrated Circuit
:
Power driver for CD/DVD player
:
BA5956FM
:
Figure 1
:
Figure 2
:
Figure 3
:
Figure 4
:
Figure 5
◎ Features
○ 2 channel current feedback type driver, 3 channel BTL driver.
○ Employs the HSOP-M36 power package for compaction.
○ Has a wide dynamic range.
○ The thermal shutdown circuit is built.
○ Mute circuit is built in. ( except for loading driver )
○ A power supply is divided into 4 systems.
【PreVcc, PowVcc1=actuator, PowVcc2=loading motor, PowVcc3=sled motor, spindle motor】
◎Absolute Maximum Rating (Ta=25℃)
Item
Symbol
Rating
Unit
Supply voltage
PreVcc,PowVcc
18
Ｖ
Power dissipation
Pd
2.2^*1
ï¼·
Maximum output current
Iomax
1^*2
Ａ
Operating temperature range
Topr
-35～85
℃
Storage temperature range
Tstg
-55～150
℃
*1 Rating for 70 ㎜×70 ㎜(size), 1.6 ㎜(thickness), copper foil occupation ratio less than 3％,
And use of glass-epoxy substrate.
When this IC is used above Ta=25℃, note that this rating decreases 17.6mW each time
the temperature increases 1℃.
*2 This rating of permissible dissipation must not exceed ASO.
◎Operating Supply Range
PreVcc
PowVcc
4.5 ～ 14 （Ｖ）
4.5 ～ PreVcc（Ｖ）
1/11
REV. B