TA48015F
TOSHIBA Bipolar Linear Integrated Circuit
Silicon Monolithic
TA48015F
1.5 V
Three-Terminal Low Dropout Voltage Regulator with Output Current of 1 A
The TA48015F consists of fixed-positive-output, low-dropout
regulators with an output current of 1 A (max) that utilize V-PNP
transistors for the output stage. This product responds to the
need for low-voltage and low-power dissipation devices for use in
consumer electronics and industrial appliances.
(1) TA48015F
Features
Maximum output current: 1 A
Output voltage accuracy: V
OUT
± 3% (@T
j
= 25°C)
Low standby current: 800
μA
(typ.) (@I
OUT
= 0 A)
Low starting quiescent current
Low-dropout voltage: V
D
= 0.8 V (max) (@I
OUT
= 0.5 A)
Protection function: over-heat/over-current
Package type: PW-MOLD
TA48015F has a lead bending type package which is a
surface-mountable package and can be used for reflow
soldering.
(2) TA48015F (TE16L1, N)
Pin Assignment
Weight
HSIP3-P-2.30B : 0.36 g (typ.)
HSOP3-P-2.30D : 0.36 g (typ.)
Marking side
1
IN
3
2
GND OUT
Marking
48015F
Part No. (or abbreviation code)
Lot No.
(weekly code)
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
How to Order
Product No.
(1) TA48015F
(2) TA48015F (TE16L1, N)
Package
PW-MOLD: Straight-lead package
PW-MOLD: Surface-mount package
Packing Type and Unit for Orders
Loose in bag: 200 (1 bag)
Embossed-tape packing: 2000 (1 tape)
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2006-11-02
TA48015F
Block Diagram
IN 1
Overcurrent-
limiting circuit
Constant
current circuit
Reference
OUT 2
voltage circuit
Overheating
detection circuit
GND 3
Absolute Maximum Ratings
(Ta = 25°C)
Characteristic
Input voltage
Output current
Operating temperature
Junction temperature
Storage temperature
Power dissipation
(Ta = 25°C)
(Tc = 25°C)
(junction to
ambient)
(junction to
case)
Symbol
V
IN
I
OUT
Ta
(opr)
T
j
T
stg
P
D
R
th (j-a)
R
th (j-c)
Rating
16
1
−40~85
150
−55~150
1
10
125
°C/W
12.5
Unit
V
A
°C
°C
°C
W
Thermal resistance
Note 1: External current and voltage ((including negative voltage) should not be applied to pins not specified.
Note 2: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly
even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute
maximum ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/Derating Concept and Methods) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Protection Function (reference)
Characteristics
Thermal shutdown
Peak circuit current
Symbol
T
SD
(T
j
)
I
PEAK
Test Condition
―
V
IN
= 3.5 V, T
j
= 25°C
V
IN
= 12 V, T
j
= 25°C
V
IN
= 3.5 V, T
j
= 25°C
V
IN
=
12 V, T
j
=
25°C
Min
―
―
―
―
⎯
Typ.
160
1.7
1.8
1.7
1.8
Max
―
―
―
―
⎯
Unit
°C
A
Short circuit current
I
SC
A
Note 3: The maximum ratings should not be exceeded when the IC is actually used.
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2006-11-02
TA48015F
TA48015F
Electrical Characteristics
Characteristics
(Unless otherwise specified, C
IN
= 0.33
μ
F, C
OUT
= 10
μ
F, T
j
= 25°C)
Symbol
Test Conditions
V
IN
= 3.5 V, I
OUT
= 0.5 A
Output voltage
V
OUT
Reg½line
Reg½load
I
B
2.5 V
<
V
IN
<
12 V, 5 mA
<
I
OUT
<
1 A,
=
=
=
=
0°C
<
T
j
<
125°C
= =
2.5 V
<
V
IN
<
12 V, I
OUT
= 0.5 A
=
=
V
IN
= 3.5 V, 5 mA
<
I
OUT
<
1 A
=
=
2.5 V
<
V
IN
<
12 V, I
OUT
= 0 A
=
=
2.5 V
<
V
IN
<
12 V, I
OUT
= 1 A
=
=
V
IN
= 2.1 V, I
OUT
= 0 A
V
IN
= 2.5 V, I
OUT
= 1 A
V
IN
= 3.5 V, I
OUT
= 50 mA
10 Hz
<
f
<
100 kHz
= =
2.5 V
<
V
IN
≤
12 V, I
OUT
= 50 mA
=
f = 120 Hz
I
OUT
= 0.5 A
I
OUT
= 1 A
V
IN
= 3.5 V, I
OUT
= 5 mA,
0°C
<
T
j
<
125°C
= =
Min
1.455
1.432
―
―
―
―
―
―
―
54
―
―
―
Typ.
1.5
1.5
5
5
0.8
10
0.7
10
75
70
0.6
0.8
0.14
Max
1.545
1.568
20
20
1.8
20
5
30
―
―
0.8
―
―
V
Unit
Line regulation
Load regulation
Quiescent current
mV
mV
mA
Starting quiescent current
Output noise voltage
Ripple rejection
Dropout voltage
Average temperature coefficient of
output voltage
I
Bstart
V
NO
R.R.
V
D
T
CVO
mA
μVrms
dB
V
mV/°C
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2006-11-02
TA48015F
Electrical Characteristics for All Products
Generally, the characteristics of power supply ICs change according to temperature fluctuations.
The specification T
j
= 25℃ is based on a state where temperature increase has no effect (assuming no fluctuation
in the characteristics) as ascertained by pulse tests.
Standard Application Circuit
V
IN
1
C
IN
0.33
μF
TA48015F
3
2
V
OUT
C
OUT
33
μF
Be sure to connect a capacitor near the input terminal and output terminal between both terminals and GND.
The capacitances should be determined experimentally. In particular, adequate investigation should be made so
that there is no problem even in high or low temperatures.
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2006-11-02
TA48015F
P
Dmax
– Ta
12
P
Dmax
– S
10
Allowable power dissipation PDmax (W)
10
Ta
=
Tc
Allowable power dissipation PDmax (W)
CONDITION:
NUMBER OF IC = 1
REFLOW SOLDERING ON
A CERAMIC SUBSTRATE
8
5
SUBSTRATE SIZE
：50×50×1.6mmt
SUBSTRATE QUALITY
：GLASS
EPOXY
CUPPER BASE THICKNESS
：35μm
6
3
4
50
×
50
×
0.8 mmt
2 30
×
30
×
0.8 mmt
SINGLE
0
0
20
40
60
80
100
120
140
160
1
10
100
1000
10000
Ambient temperature Ta (°C)
Cupper Base Area Size S
(mm
2
)
V
OUT
– T
j
1.575
VIN
=
3.5 V
1.55
IOUT
=
5 mA
2
V
OUT
– V
IN
Output voltage VOUT (V)
Output voltage VOUT (V)
1.5
IOUT
=
10 mA
1.525
1.5
1
0.5 A
0.5
0.1 A
1.475
1.45
Tj
=
25°C
1.425
−50
0
50
100
150
0
0
2
4
6
Junction temperature T
j
(°C)
Input voltage
VIN (V)
I
B
– V
IN
10
Tj
=
25°C
20
I
B
– Tj
VIN
=
3.5 V
IB (mA)
6
IOUT
=
0.5 A
4
IB (mA)
Quiescent current
8
16
12
IOUT
=
1 A
8
Quiescent current
2
IOUT
=
0.1 A
IOUT
=
10 mA
4
IOUT
=
0 A
0
0
2
4
6
0
−50
0
50
100
150
Input voltage
VIN (V)
Junction temperature T
j
(°C)
5
2006-11-02
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