TA58LT00F
TOSHIBA Bipolar Linear Integrated Circuit
Silicon Monolithic
TA58LT00F
150 mA Output Current and Tracking Regulator with ON/OFF Control Switch
The TA58LT00F consists of small-surface mount type tracking
regulators with an output current of 150 mA (maximum) and an
ON/OFF control switch. Control by an EN (ON/OFF) terminal
enables the regulator to be operated only when required (output ON).
The output voltage can be controlled to an arbitrary voltage between
2.5V and 13.4V by applying a necessary voltage to ADJ through a
microcontroller, etc. It is also possible to enable or disable the
regulator via the enable (ON/OFF) terminal. Enabling the regulator
only when necessary contributes to the energy saving of equipment.
Features
•
•
•
•
•
•
•
Built-in ON/OFF control function (active high)
Maximum output current
Output voltage
Tracking voltage accuracy
Protection function
Package type
: 150 mA
: 2.5 V to 13.4 V
: ± 10 mV (@T
j
= 25°C)
: Overcurrent protection / overheating protection /
Reverse connection of power supply / 60 V load dump
: Surface-mount 5-pin New PW-Mold
HSIP5-P-1.27B
Weight : 0.36 g (Typ.)
Low standby current (output OFF mode) : 1
μA
(Typ.)
Pin Assignment
Marking
3
Mark
1
IN
58LT00F
4
5
Part No. (or abbreviation code)
Lot No.
2
3
EN GND ADJ OUT
Note 1
1 2 3 4 5
Note 1: A line under a Lot No. identifies the indication of product Labels.
Not underlined: [[Pb]]/INCLUDES > MCV
Underlined: [[G]]/RoHS COMPATIBLE or [[G]]/RoHS [[Pb]]
Please contact your TOSHIBA sales representative for details as to environmental matters such as the RoHS
compatibility of Product. The RoHS is the Directive 2011/65/EU of the European Parliament and of the Council of 8
June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment.
The product(s) in this document (“Product”) contain functions intended to protect the Product from
temporary small overloads such as minor short-term overcurrent, overvoltage, or overheating. The
protective functions do not necessarily protect Product under all circumstances. When incorporating
Product into your system, please design the system (1) to avoid such overloads upon the Product, and
(2) to shut down or otherwise relieve the Product of such overload conditions immediately upon
occurrence. For details, please refer to the notes appearing below in this document and other
documents referenced in this document.
Start of commercial production
2005-06
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TA58LT00F
Pin Description
Pin No.
1
2
3
4
5
Symbol
IN
EN
GND
ADJ
OUT
Description
Input terminal. Connected by capacitor (C
IN
) to GND.
Output ON/OFF control terminal.
Output is ON when this pin is set to “High”, OFF when this pin is open or set to “Low”.
Ground terminal
Adjustment terminal
Output terminal. Connected by capacitor (C
OUT
) to GND.
How to Order
Product No.
TA58LT00F(T6L1,Q)
Package
5-pin New PW-Mold : Surface-mount
Package Type and Capacity
Tape (2000 pcs/reel)
Block Diagram
Over-voltage
protection
IN
Over-current
protection
Start
circuit
Reference
voltage
circuit
Thermal
shutdown
OUT
EN
ADJ
GND
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TA58LT00F
Absolute Maximum Rating
(Ta
=
25°C)
Characteristic
Input voltage
EN Input voltage
ADJ Input voltage
Output current
Junction temperature
Operating Junction temperature
Storage temperature
Power dissipation
Ta
=
25°C
Tc
=
25°C
Symbol
V
IN
V
EN
V
ADJ
I
OUT
T
j
T
jopr
T
stg
P
D
Rating
-38 to 38
-0.3 to 38
-0.3 to 38
150
150
−40
to 150
−55
to 150
1
10
Unit
V
V
V
mA
°C
°C
°C
W
Note 2: Do not apply current and voltage (including reverse polarity) to any pin that is not specified.
Note 3: If it is connected EN terminal to IN terminal, be careful so that the negative voltage is not impressed on
EN terminal.
Note 4: 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).
Thermal Characteristics
Characteristic
Thermal resistance, junction to ambient
Thermal resistance, junction to case
Symbol
R
th (j−a)
R
th (j−c)
Max
125
12.5
Unit
℃/
W
℃/
W
Operating conditions
Characteristic
Input voltage
ADJ Input voltage
Symbol
V
IN
V
ADJ
Min
6
2.5
Typ.
⎯
⎯
Max
26
13.4
Unit
V
V
Protection Function (Reference)
Characteristic
Thermal shutdown
Thermal shutdown hysteresis width
Peak circuit current
Short circuit current
Overvoltage protection
Symbol
T
SD
T
SD(hys)
I
PEAK
I
SC
V
OV
V
IN
=
14 V
V
IN
=
14 V, T
j
=
25°C
V
IN
=
14 V, T
j
=
25°C
⎯
Test Condition
Min
150
⎯
⎯
⎯
38
Typ.
175
15
210
210
⎯
Max
⎯
⎯
⎯
⎯
⎯
Unit
°C
°C
mA
mA
V
Note 5: Ensure that the devices operate within the limits of the maximum rating when in actual use.
Note 6: The output voltage shuts down when the overvoltage protection circuit operates.
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TA58LT00F
Electrical Characteristics
(Unless otherwise specified, 2.5 V
≤
V
ADJ
≤
13.4 V, V
EN
=
H, C
IN
=
0.33
μF,
C
OUT
=
10
μF,
ESR
=
1Ω, T
j
=
-40 to 125°C)
Characteristic
Symbol
Test Condition
V
IN
=
14 V, I
OUT
=
50 mA
Tracking accuracy
ΔV
OUT
Reg½line
Reg½load
I
B
I
B(OFF)
V
D
V
EN(ON)
V
EN(OFF)
I
EN(ON
)
6 V
≤
V
IN
≤
26 V, 5 mA
≤
I
OUT
≤
100 m A,
-40°C
≤
Tj
≤
125°C
6 V
≤
V
IN
≤
26 V, I
OUT
=
50 mA
V
IN
=
14 V, 5 mA
≤
I
OUT
≤
100 mA
6 V
≤
V
IN
≤
26 V, I
OUT
=
0 A
6 V
≤
V
IN
≤
26 V, I
OUT
=
100 mA
6 V
≤
V
IN
≤
26 V, V
EN
=
0 V
I
OUT
=
50 mA
I
OUT
=
100 mA
I
OUT
=
50 mA
⎯
V
IN
=
14 V, V
EN
=
5 V, I
OUT
=
1 mA
Min
-10
-20
Typ.
⎯
⎯
Max
+10
+20
25
35
0.8
15
20
0.3
0.6
⎯
0.5
120
mV
Unit
Line regulation
Load regulation
Quiescent current
Quiescent current (OFF mode)
Dropout voltage
Output control voltage (ON)
Output control voltage (OFF)
Output control current (ON)
⎯
⎯
⎯
⎯
⎯
⎯
⎯
3
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
mV
mV
mA
μA
V
V
V
μA
⎯
⎯
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TA58LT00F
Electrical Characteristics Common to All Products
•
Tj
=
25°C in the measurement conditions of each item is a regulation for where the standard condition
when a pulse test is carried out, and any drift in the electrical characteristic due to a rise in the junction
temperature of the chip may be disregarded.
Standard Application Circuit
C
IN
0.33
μF
IN
ADJ
CPU etc.
OUT
TA58LT00F
GND
EN
C
OUT
10∼22
μF
ESR
0.5∼2Ω
Load
Reg.IC.
•
Place C
IN
as close as possible to the input terminal and GND. Place C
OUT
as close as possible to
the output terminal and GND. Although capacitor C
OUT
acts to smooth the dc output voltage
during suspension of output oscillation or load change, it might cause output oscillation in a cold
environment due to increased capacitor ESR. It is therefore recommended to use a capacitor with
small temperature sensitivity. Please connect the resistance of 0.5 to 2Ω with the series when the
ceramic capacitor is used.
The IC may oscillate due to external conditions (output current, temperature, or the type of the
capacitor used). The type of capacitor required must be determined by the actual application circuit
in which the IC is used.
Usage Precautions
•
Note that, depending on the load conditions, a steep increase in the input voltage (V
IN
) may cause
a momentary rise in output voltage (V
OUT
) even if the EN (enable) pin is Low.
•
Low voltage
Do not apply voltage to the Product that is lower than the minimum operating voltage, or the Product’s
protective functions will not operate properly and the Product may be permanently damaged.
•
Overcurrent Protection
The overcurrent protection circuits in the Product are designed to temporarily protect Product from minor
overcurrent of brief duration. When the overcurrent protective function in the Product activates,
immediately cease application of overcurrent to Product. Improper usage of Product, such as application of
current to Product exceeding the absolute maximum ratings, could cause the overcurrent protection circuit
not to operate properly and/or damage Product permanently even before the protection circuit starts to
operate.
•
Overheating Protection
The thermal shutdown circuits in the Product are designed to temporarily protect Product from minor
overheating of brief duration. When the overheating protective function in the Product activates,
immediately correct the overheating situation. Improper usage of Product, such as the application of heat
to Product exceeding the absolute maximum ratings, could cause the overheating protection circuit not to
operate properly and/or damage Product permanently even before the protection circuit starts to operate.
•
Overvoltage Protection
The overvoltage protection circuits in the Product are designed to temporarily protect Product from minor
overvoltage of brief duration. When the overvoltage protective function in the Product activates,
immediately cease application of overvoltage to Product. Improper usage of Product, such as application of
voltage to Product exceeding the absolute maximum ratings, could cause the overvoltage protection circuit
not to operate properly and/or damage Product permanently even before the protection circuit starts to
operate.
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