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PDF TA8126F Data sheet ( Hoja de datos )
| Número de pieza | TA8126F | |
| Descripción | DC/DC CONVERTER FOR ELECTRIC TUNING | |
| Fabricantes | Toshiba Semiconductor | |
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TA8126S / F
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8126S,TA8126F
DC / DC Converter For Electric Tuning (3V USE)
The TA8126S,TA8126F are DC /DC converter ICs, which are
designed for biasing varactor diodes of tuner system. Those items
are especially suitable for supplying high voltage (about 15V /
30V) for electric tuning (FM / TV / UHF / AM) system of
headphone stereos, radio cassette recorders, or other equipments.
Features
· Excellent regulatory capability of output voltage against
fluctuation of supply voltage, and of ambient temperature.
· Excellent spurious radiation by oscillation of sine wave.
· Output voltage can be switched over to 15V or 30V
by one−make switch, and is applicable to 10V, too.
· Few external parts.
· Low supply current (at non−load,VCC = 3V, Ta = 25°C)
ICCQ1 = 2.4mA (typ., VO = 15V mode)
ICCQ2 = 3.0mA (typ., VO = 30V mode)
· Operating supply voltage range (Ta = 25°C)
VCC1 (opr) = 1.8~10V, (VO = 15V mode)
VCC2 (opr) = 2.0~10V, (VO = 30V mode)
Block Diagram
Weight
SIP9−P−2.54C: 0.72g (typ.)
SSOP10−P−225−1.00: 0.09g (typ.)
1 2002-10-30
1 page  
TA8126S / F
Electrical Characteristics
(unless otherwise specified: VCC = 3V, Ta = 25°C, fOSC = 3.0MHz, IO = 100µA)
Characteristic
Supply current
Boosted output voltage 1
VO1 supply voltage
fluctuation
VO1 ambient
temperature coefficient
VO1 maximum output
current
Boosted output voltage 2
VO2 supply voltage
fluctuation
VO2 ambient
temperature coefficient
VO2 maximum output
current
Symbol
ICCQ1
ICCQ2
VO1
∆VO1
VO1 / T
IO1MAX
VO2
∆VO2a
∆VO2b
VO2 / T
IO2MAX
Test
Cir-
cuit
―
―
―
SW
Mode
ON
OFF
ON
Test Condition
IO = 0
IO = 0
― ON VCC = 10V→1.8V
― ON Ta = -25~75°C
∆VO1 = 30mV, with
― ON respect to standard
IO = 100µA
― OFF
― OFF VCC = 10V→2.5V
― OFF VCC = 4.5V→2.0V
― OFF Ta = -25~75°C
∆VO2 = 30mV, with
― OFF respect to standard
IO = 100µA
Min.
―
―
14.0
-20
―
Typ.
2.4
3
15.1
0
±0.3
300
28.0
-20
-30
―
―
30.3
0
0
±0.3
300 ―
Max.
Unit
5
6
16.0
20
mA
V
mV
― mV / °C
― µA
32.5
20
20
―
V
mV
mV / °C
― µA
5 2002-10-30
5 Page 
TA8126S / F
RESTRICTIONS ON PRODUCT USE
000707EBA
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
· The information contained herein is subject to change without notice.
11 2002-10-30
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TA8126F.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TA8126 | DC/DC CONVERTER FOR ELECTRIC TUNING (3V USE) | Toshiba Semiconductor |
| TA8126F | DC/DC CONVERTER FOR ELECTRIC TUNING | Toshiba Semiconductor |
| TA8126S | DC/DC CONVERTER FOR ELECTRIC TUNING | Toshiba Semiconductor |
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