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PDF TAR5S38U Data sheet ( Hoja de datos )

Número de pieza TAR5S38U
Descripción (TAR5SxxU) Point Regulators
Fabricantes Toshiba Semiconductor 
Logotipo Toshiba Semiconductor Logotipo



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No Preview Available ! TAR5S38U Hoja de datos, Descripción, Manual

TAR5S15U~TAR5S50U
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TAR5S15U~TAR5S50U
Point Regulators (Low-Dropout Regulator)
The TAR5SxxU Series is comprised of general-purpose bipolar single-power-supply devices incorporating a
control pin which can be used to turn them ON/OFF.
Overtemperature and overcurrent protection circuits are built
in to the devices’ output circuit.
Features
Low stand-by current
Overtemperature/overcurrent protection
Operation voltage range is wide.
Maximum output current is high.
Difference between input voltage and output voltage is low.
Small package. (UFV package: Similar toSOT-353)
Ceramic capacitors can be used.
Weight: 0.007 g (typ.)
Pin Assignments (top view)
VIN VOUT
54
123
CONTROL GND NOISE
www.DataSOhveeertt4eUm.cpoemrature protection and overcurrent protection functions are not necessary guarantee of operating
ratings below the maximum ratings.
Do not use devices under conditions in which their maximum ratings will be exceeded.
1 2003-02-10

1 page




TAR5S38U pdf
Application Note
1. Recommended Application Circuit
VIN VOUT
TAR5S15U~TAR5S50U
54
123
CONTROL GND NOISE
Control Level
HIGH
LOW
Operation
ON
OFF
The noise capacitor should be connected to NOISE pin to GND for stable operation.
The recommended value is higher than 0.0047 µF.
The figure above shows the recommended configuration for using a point regulator. Insert a capacitor for
stable input/output operation.
If the control function is not to be used, Toshiba recommend that the control pin (pin 1) be connected to the
VCC pin.
2. Power Dissipation
The power dissipation for board-mounted TAR5SxxU Series devices (rated at 450 mW) is measured using a
board whose size and pattern are as shown below. When incorporating a device belonging to this series into
your design, derate the power dissipation as far as possible by reducing the levels of parameters such as input
voltage, output current and ambient temperature. Toshiba recommend that these devices should typically be
derated to 70%~80% of their absolute maximum power dissipation value.
Thermal Resistance Evaluation Board
VIN
www.DataSheet4U.com
CIN
VOUT
COUT
CNOISE
CONTROL GND NOISE
Circuit board material: glass epoxy, Circuit board dimension:30 mm × 30 mm,
Copper foil pad area: 35 mm2, t = 0.8 mm
5 2003-02-10

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TAR5S38U arduino
(TAR5S15U)
IB – VIN
10
CIN = 1 µF, COUT = 10 µF, CNOISE = 0.01 µF
Pulse width = 1 ms
5
IOUT = 150 mA
100
50 1
0
0 5 10 15
Input voltage VIN (V)
TAR5S15U~TAR5S50U
(TAR5S18U)
IB – VIN
10
CIN = 1 µF, COUT = 10 µF, CNOISE = 0.01 µF
Pulse width = 1 ms
5
IOUT = 150 mA
100
50 1
0
0 5 10 15
Input voltage VIN (V)
(TAR5S20U)
IB – VIN
10
CIN = 1 µF, COUT = 10 µF, CNOISE = 0.01 µF
Pulse width = 1 ms
5
0
0
www.DataSheet4U.com
IOUT = 150 mA
100
50
5 10
Input voltage VIN (V)
1
15
(TAR5S21U)
IB – VIN
10
CIN = 1 µF, COUT = 10 µF, CNOISE = 0.01 µF
Pulse width = 1 ms
5
IOUT = 150 mA
100
50 1
0
0 5 10 15
Input voltage VIN (V)
(TAR5S22U)
IB – VIN
10
CIN = 1 µF, COUT = 10 µF, CNOISE = 0.01 µF
Pulse width = 1 ms
(TAR5S23U)
IB – VIN
10
CIN = 1 µF, COUT = 10 µF, CNOISE = 0.01 µF
Pulse width = 1 ms
55
IOUT = 150 mA
100
50 1
0
0 5 10 15
Input voltage VIN (V)
IOUT = 150 mA
100
50 1
0
0 5 10 15
Input voltage VIN (V)
11 2003-02-10

11 Page







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