TCR3DF series
TOSHIBA CMOS Linear Integrated Circuit Silicon Monolithic
TCR3DF series
300 mA CMOS Low Drop-Out Regulator with inrush current protection circuit
The TCR3DF series are CMOS general-purpose single-output
voltage regulators with an on/off control input, featuring low dropout
voltage, low output noise voltage and low inrush current.
These voltage regulators are available in fixed output voltages
between 1.0 V and 4.5 V and capable of driving up to 300 mA.
They feature over-current protection, over-temperature protection,
Inrush current protection circuit and Auto-discharge function.
The TCR3DF series has a low dropout voltage of 230 mV (2.5 V
output, I
OUT
= 300 mA) with low output noise voltage of 38
µV
rms
(2.5 V output) and a load transient response of only
⊿V
OUT
= ±85
mV ( I
OUT
= 1 mA⇔300 mA, C
OUT
=1.0
µF).
Thus, the TCR3DF series are suitable for sensitive power supply
such as Analog and RF applications.
SMV
Weight :
SMV (SOT-25)(SC-74A) : 16 mg ( typ.)
Features
•
Low Drop-Out voltage
V
IN
-V
OUT
= 230 mV (typ.) at 2.5 V-output, I
OUT
= 300 mA
V
IN
-V
OUT
= 290 mV (typ.) at 1.8 V-output, I
OUT
= 300 mA
V
IN
-V
OUT
= 510 mV (typ.) at 1.2 V-output, I
OUT
= 300 mA
•
•
•
•
•
•
•
•
•
•
Low output noise voltage
V
NO
= 38
µV
rms
(typ.) at 2.5 V-output, I
OUT
= 10 mA, 10 Hz
<
f
<
100 kHz
=
=
Fast load transient response (⊿V
OUT
= ±85 mV (typ.) at I
OUT
= 1
⇔
300 mA, C
OUT
=1.0
µF
)
High ripple rejection ( R.R = 70 dB (typ.) at 2.5V-output, I
OUT
= 10 mA, f =1kHz )
Over-current protection
Over-temperature protection
Inrush current protection circuit
Auto-discharge function
Pull down connection between CONTROL and GND
Ceramic capacitors can be used ( C
IN
= 1.0µF, C
OUT
=1.0
µF
)
General purpose package SMV(SOT-25) (SC-74A)
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TCR3DF series
Absolute Maximum Ratings (Ta
=
25°C)
Characteristics
Input voltage
Control voltage
Output voltage
Output current
Power dissipation
Operation temperature range
Junction temperature
Storage temperature range
Symbol
V
IN
V
CT
V
OUT
I
OUT
P
D
T
opr
T
j
T
stg
200
580
Rating
6.0
-0.3 to 6.0
-0.3 to V
IN
+ 0.3
300
(Note1)
(Note2)
Unit
V
V
V
mA
mW
°C
°C
°C
−40
to 85
150
−55
to 150
Note:
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).
Note 1: Unit Rating
Note 2: Rating at mounting on a board
(FR4 board: 25.4 mm
×
25.4 mm
×
1.6 mm)
Pin Assignment
(top view)
SMV(SOT-25)(SC-74A)
V
OUT
5
NC
4
1
V
IN
2
GND
3
CONTROL
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TCR3DF series
List of Products Number, Output voltage and Marking
Product No.
TCR3DF10
TCR3DF105
TCR3DF11
TCR3DF12
TCR3DF125
TCR3DF13
TCR3DF15
TCR3DF17
TCR3DF18
TCR3DF185
TCR3DF19
TCR3DF24
TCR3DF25
TCR3DF27
Output voltage(V)
1.0
1.05
1.1
1.2
1.25
1.3
1.5
1.7
1.8
1.85
1.9
2.4
2.5
2.7
Marking
1P0
1PA
1P1
1P2
1PC
1P3
1P5
1P7
1P8
1PF
1P9
2P4
2P5
2P7
Product No.
TCR3DF275
TCR3DF28
TCR3DF285
TCR3DF29
TCR3DF295
TCR3DF30
TCR3DF31
TCR3DF32
TCR3DF33
TCR3DF335
TCR3DF36
TCR3DF39
TCR3DF40
TCR3DF45
Output voltage(V)
2.75
2.8
2.85
2.9
2.95
3.0
3.1
3.2
3.3
3.35
3.6
3.9
4.0
4.5
Marking
2PF
2P8
2PD
2P9
2PE
3P0
3P1
3P2
3P3
3PD
3P6
3P9
4P0
4P5
Please ask your local retailer about the devices with other output voltages.
Top Marking (top view)
Example: TCR3DF33 (3.3 V output)
3P3
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TCR3DF series
Electrical Characteristics
(Unless otherwise specified, V
IN
= V
OUT
+
1 V, I
OUT
= 50 mA, C
IN
= 1.0
µF,
C
OUT
= 1.0
µF,
T
j
= 25°C)
Characteristics
Output voltage accuracy
Input voltage
Line regulation
Load regulation
Symbol
V
OUT
V
IN
Reg½line
Test Condition
I
OUT
=
50 mA (Note 3)
I
OUT
=
300 mA
V
OUT
+
0.5 V
<
V
IN
<
5.5 V,
=
=
I
OUT
=
1 mA
V
OUT
<1.8 V
1.8V
<
V
OUT
=
Min
-18
-1.0
1.8
Typ.
1
30
65
65
68
78
0.1
230
75
38
70
±85
Max
+18
+1.0
5.5
15
50
Unit
mV
%
V
mV
mV
Reg½load 1 mA
<
I
OUT
<
300 mA
=
=
V
OUT
=
1.0V
Quiescent current
I
B
I
OUT
=
0 mA
125
1
310
5.5
0.4
µA
mV
ppm/°C
µV
rms
dB
mV
V
V
µA
V
OUT
=
1.8V
V
OUT
=
2.5V
V
OUT
=
4.5V
1.0
0
Stand-by current
Drop-out voltage
Temperature coefficient
Output noise voltage
Ripple rejection ratio
Load transient response
Control voltage (ON)
Control voltage (OFF)
Note 3:
Note 4:
I
B (OFF)
V
CT
=
0 V
V
IN
-V
OUT
I
OUT
=
300 mA (Note 4)
T
CVO
−40°C
<
T
opr
<
85°C
=
=
V
NO
R.R.
⊿V
OUT
V
CT (ON)
V
CT (OFF)
V
IN
=
V
OUT
+
1 V, I
OUT
=
10 mA,
10 Hz
<
f
<
100 kHz, Ta
=
25°C (Note 5)
= =
V
IN
=
V
OUT
+
1 V, I
OUT
=
10 mA,
f
=
1 kHz, V
Ripple
=
500 mV
p-p
,
Ta
=
25°C (Note 4)
I
OUT
=
1⇔300mA, C
OUT
= 1.0
µF
Stable state with fixed I
OUT
condition.
The 2.5 V output product.
Drop-out voltage
(I
OUT
= 300 mA, C
IN
= 1.0
µF,
C
OUT
= 1.0
µF,
T
j
= 25°C)
Output voltages
1.0 V, 1.05 V
1.1 V, 1.15 V
1.2 V, 1.25 V
1.3 V
1.4 V
1.5 V
<
V
OUT
< 1.8 V
=
1.8 V
<
V
OUT
< 2.1 V
=
2.1 V
<
V
OUT
< 2.5 V
=
2.5 V
<
V
OUT
< 2.8 V
=
2.8 V
<
V
OUT
< 3.2 V
=
3.2 V
<
V
OUT
< 3.6 V
=
3.6 V
<
V
OUT
<
4.5 V
=
=
V
IN
-V
OUT
Symbol
Min
Typ.
610
570
510
470
410
370
290
260
230
220
200
170
Max
770
670
620
570
540
470
400
350
310
270
250
220
mV
Unit
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TCR3DF series
Application Note
1.
Recommended Application Circuit
●SMV
V
OUT
1.0
µF
NC
CONTROL
voltage
HIGH
LOW
OPEN
Output
voltage
ON
OFF
OFF
1.0
µF
V
IN
GND
CONTROL
The figure above shows the recommended configuration for using a Low-Dropout regulator. Insert a capacitor
at V
OUT
and V
IN
pins for stable input/output operation. (Ceramic capacitors can be used).
2. Power Dissipation
Both unit and board-mounted power dissipation ratings for TCR3DF series are available in the Absolute Maximum
Ratings table.
Power dissipation is measured on the board shown below.
Testing Board of Thermal Resistance
800
P
D
–
Ta (SMV)
①
Board dimension 25.4 mm x 25.4 mm, x
2
1.6 mm Copper area 645 mm ,
mounted on FR4 Board
②
Unit Rating
①
*Board material: FR4 board
Board dimension: 25.4 mm
×
25.4 mm
×
1.6 mm
Copper area: 645 mm
2
P
D
Power dissipation
600
400
②
200
0
−40
0
Ambient temperature Ta (°C)
40
80
120
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