ta8259h TOSHIBA Semiconductor CORPORATION, ta8259h Datasheet - Page 4

• Manufacturer Part Number: ta8259h
• Description: Max Power 37 W Btl X 4ch Audio Power Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

2. Stand-by SW function
By means of controlling pin 2 (Stand-by terminal) to
High and Low, the power supply can be set to ON and
OFF.
The threshold voltage of pin 2 is set at about 3 V
(typ.) at the stand-by state.
(typ.), and the Power Supply current is about 2 µA
Adjustage of stand-by SW
(1)
(2)
Stand-By
Since V
omitted.
Since the control current is microscopic, the switching relay of small current capacity is satisfactory
for switching
Control voltage of pin 2: V
OFF
ON
CC
can directly be controlled to ON or OFF by the microcomputer, the switching relay can be
Power
OFF
ON
(pin 2)
Š Conventional method Š
Š Stand-by switch method Š
V
3~ V
0~1.5
(SB)
(SB)
CC
(V)
Figure 3
BE
4
Figure 2 With pin 2 set to high, power
is turned ON
2002-03-05
TA8259H