TA76L431STPE6Q [TOSHIBA]
IC TWO TERM VOLTAGE REFERENCE, PSIP3, 1.27 MM PITCH, ROHS COMPLIANT, PLASTIC, TO-92MOD, SSIP-3, Voltage Reference;
| 型号： | TA76L431STPE6Q |
| 厂家： | 
TOSHIBA |
| 描述： | IC TWO TERM VOLTAGE REFERENCE, PSIP3, 1.27 MM PITCH, ROHS COMPLIANT, PLASTIC, TO-92MOD, SSIP-3, Voltage Reference |
| 文件： | 总9页 (文件大小：241K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TA76L431FT/S
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA76L431FT,TA76L431S
2.49-V Adjustable High-Precision Shunt Regulators
These devices are adjustable high-precision shunt regulators
whose output voltage (V ) can be set arbitrarily using two
KA
TA76L431FT
external resistors.
The devices have a precise internal reference voltage of 2.49 V,
enabling them to operate at low voltage. In addition, they can be
used as zener diodes to perform temperature compensation.
Features
•
•
•
Precision reference voltage
: V = 2.49V ± 1.0% (Ta = 25ºC)
REF
Adjustable output voltage
: V ≤ V ≤ 19 V
TA76L431S
REF
OUT
Minimum cathode current for regulation
:I = 0.5 mA (max.)
kmin
•
•
Operating temperature: Ta = −40~85ºC
Packages: UFV (TA76L431FT),
TO-92MOD (TA76L431S)
•
The TA76L431FT is housed in an ultra-thin UFV package.
(thickness: 0.7 mm typ.)
Weight
SSOP5-P-0.65C : 0.007 g (typ.)
SSIP3-P-1.27 : 0.36 g (typ.)
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TA76L431FT/S
Pin Assignment/Marking
TA76L431FT
TA76L431S
5
4
1
2
3
1: REFERENCE (REF)
TA76L
2: ANODE (A)
1: NC
431S
3: CATHODE (K)
2: ANODE (A)
3: CATHODE (K)
4: REFERENCE (REF)
5: ANODE (A)
1 F
Note
Lot No: (weekly code)
1
2
3
Note: 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 2002/95/EC of the European Parliament and of the Council of 27
January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment.
How to Order
Product No.
Package Type
Packing Type and Capacity
Minimum Order
1 tape
UFV
TA76L431FT (TE85L,F
Embossed tape: 3000/tape
(surface-mount type)
TO-92MOD
TA76L431S(Q)
Loose in bag: 200/bag
Radial tape: 2000/tape
1 bag
(lead type)
TA76L431S (TPE6,Q)
1 tape
Note: The lead pitch for the TA76L431S(Q) and TA76L431S(TPE6,Q) may vary.
Functional Block Diagram
Circuit Symbol
Cathode (K)
Cathode (K)
Anode (A)
Reference (REF)
2.49V
Reference (REF)
Anode (A)
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TA76L431FT/S
Typical Application Circuits
(1) 2.49 V Reference (VKA = VREF
)
(2) Shunt regulator (VKA > VREF)
V
V
OUT
IN
V
IN
R1
R2
V
= 2.49 V
OUT
V
REF
⎛
⎞
R
1
⎜
⎟
⎟
V
=
+
+
⋅
I R1
REF
V
1
OUT
REF⎜
R
⎝
2 ⎠
Precautions during Use
1. TA76L431FT, TA76L431S
These products contain MOS elements. Please take care to avoid generating static electricity when handling
these devices.
2. TA76L431FT, TA76L431S
The oscillation frequency of these devices is determined by the value of the capacitor connected between the
anode and the cathode.
When establishing maximum operating condition parameters, please derate the maximum rating values
specified in these datasheets so as to allow an operational safety margin.
Use of a laminated ceramic capacitor is recommended
3. Precautions when handling anode pin of TA76L431FT
Pin 2 and pin 5 should normally be shorted together. If only pin 5 is used, pin 2 should either be left open or
always kept at a lower potential than pin 5. Do not leave pin 5 open and use pin 2 only.
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Cathode voltage
Symbol
Rating
Unit
V
20
V
KA
Cathode current
I
50
mA
mA
V
K
Cathode-anode reverse current
Reference voltage
−I
50
K
V
7
50
REF
REF
Reference current
I
μA
mA
Reference-anode reverse current
−I
10
REF
TA76L431FT
Power dissipation
0.45 (Note 1)
0.8
P
W
D
TA76L431S
TA76L431FT
Thermal
277 (Note 1)
156
R
th
ºC/W
resistance
TA76L431S
Operating temperature
Junction temperature
Storage temperature
T
−40∼85
150
ºC
ºC
ºC
opr
T
j
T
−55∼150
stg
2
Note 1: Glass epoxy substrate mounting: 30 mm × 30 mm × 0.8 mmt (Cu pad area 35 mm )
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).
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TA76L431FT/S
Recommended Operating Conditions
Characteristics
Cathode voltage
Symbol
Min
Typ.
Max
Unit
⎯
⎯
⎯
V
V
19
40
85
V
KA
REF
Cathode current
I
0.5
mA
°C
K
Operating temperature
T
opr
−40
Electrical Characteristics (Unless otherwise specified, Ta = 25°C, I = 10 mA)
K
Characteristics
Reference voltage
Symbol
Test Condition
Min
2.465
⎯
Typ.
2.49
5
Max
2.515
15
Unit
V
V
V
= V
KA REF
REF
REF (dev)
Deviation of reference input voltage
over temperature
<
<
V
0°C Ta 70°C, V = V
mV
KA
REF
<
<
Ratio of change in reference input
voltage to the change in cathode
voltage
V
V
10 V
⎯
⎯
⎯
0.8
0.8
0.6
2.4
2.0
3
REF
KA
ΔV
/ΔV
REF
mV/V
<
<
19 V
10V
V
KA
Reference Input current
I
V
= V
REF
μA
μA
REF
KA
<
<
Deviation of reference input current
over temperature
0°C Ta 70°C, V = V
1
,
KA
REF
I
⎯
0.3
1.2
REF (dev)
R
= 10 kΩ, R = ∞
2
Minimum cathode current for
regulation
I
V
= V
⎯
⎯
⎯
0.2
⎯
0.5
1.0
0.5
mA
μA
Ω
Kmin
KA
REF
= 19 V, V = 0 V
REF
Off-State cathode current
Dynamic impedance
I
V
V
Koff
KA
KA
<
, f 1 kHz,
= V
REF
⎪Z
⎪
KA
0.2
<
<
40 mA
0.5 mA
I
K
The deviation parameters VREF (dev) and IREF (dev) are defined as the maximum variation of the VREF and IREF over
the rated temperature range(Ta=0 to 70℃).
The average temperature coefficient of the V
is defined as:
REF
V
REF
max
6
⎛
⎜
⎞
⎟
V
REF (dev)
V
×10
REF (dev)
⎜
⎜
⎝
⎟
⎟
⎠
V
@25°C
min
REF
αV
=
(ppm °C
)
REF
ΔTa
ΔTa
Application Circuit Example
Error amplification circuit for switching power supply
V
OUT
Photo-
coupler
GND
Shunt regulator
This circuit amplifies the difference between the switching power supply’s secondary output voltage and the shunt
regulator’s reference voltage. It then feeds the amplified voltage back to the primary input voltage via the
photocoupler.
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TA76L431FT/S
P
Dmax
– Ta
P
Dmax
– Ta
0.6
0.5
0.4
0.3
0.2
0.1
0
1.0
0.8
TA76L431FT
Mounted on glass epoxy substate
: 30 × 30 × 0.8 mm t
Cupper pad area: 35 mm2
TA76L431S
0.6
0.4
0.2
0
0
20
40
60
80
100
120
140
160
0
20
40
60
80
100
120
140
160
Ambient temperature Ta (°C)
Ambient temperature Ta (°C)
I
– V
KA
I
– V
KA
K
K
50
600
400
200
0
Input
V
KA
Input
V
KA
I
K
I
K
20
0
V
= V
V
= V
REF
KA
REF
KA
Ta = 25°C
Ta = 25°C
I
min
K
85°C
85°C
−20
Ta = −40°C
25°C
85°C
25°C
25°C
Ta = −40°C
Ta = −40°C
−50
−200
−1.0
−1.0
0
1.0
2.0
3.0
−0
1.0
2.0
3.0
Cathode voltage
V
KA
(V)
Cathode voltage
V
KA
(V)
V
REF
– Ta
ΔV
– V
KA
REF
2.53
0
V
KA
V=V
KAREF
Input
I =10mA
K
I
K
V
REF
2.51
-10
2.49
Input
V
KA
−20
−30
I
K
V
REF
2.47
I
= 10 mA
K
Ta = 25°C
2.45
−50
0
50
100
150
0
5
10
15
20
25
Ambient temperature Ta (°C)
Cathode voltage
V
KA
(V)
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2009-09-30
TA76L431FT/S
I
– Ta
Z
– f
e
REF
KA
1.0
100
220 Ω
e
o
i
e
=
・Z
KA
o
50
30
R
+ Z
KA
S
I
K
R
S
R
＞Z
KA
0.8
S
e
i
e
=
・Z
KA
o
R
S
10
e
i
e
o
0.6
∴Z
KA
=
・R
S
5
3
e
GND
i
Ta = 25°C
V
= V
REF
KA
0.5 mA ≦ −I ≦ 50mA
Input
V
KA
0.4
K
I
K
1
0.5
0.3
0.2
I
REF
I
= 10 mA
K
0
0.1
1 k
−50
0
50
100
150
10 M
10 k
100 k
1 M
Ambient temperature Ta (°C)
Frequency
f
(Hz)
A
V
– f
Pulse response
Input
60
50
40
30
20
10
V
OUT
I
5
0
K
Input
monitor
10 μF
220 Ω Output
V
IN
Pulse
GND
Generator
f = 100 kHz
I
= 10 mA
K
Ta = 25°C
GND
3
2
1
0
Output
0
1 k
10 k
100 k
1 M
10 M
0
1
2
3
4
5
6
Frequency
f
(Hz)
Time
t
(μs)
Stability boundaty conditions
50
I
K
40
30
20
C
L
Stable
Unstable
Ta = 25°C
= V
V
(2.49V)～15V
REF
KA
10
0
0.0001
0.001
0.01
0.1
10
1
100
Load capacitance
C
L
(μF)
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TA76L431FT/S
Package Dimensions
TA76L431FT (UFV)
Weight: 0.007 g (typ.)
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TA76L431FT/S
Package Dimensions
TA76L431S (TO-92MOD)
Weight: 0.36 g (typ.)
8
2009-09-30
TA76L431FT/S
RESTRICTIONS ON PRODUCT USE
•
•
•
Toshiba Corporation, and its subsidiaries and affiliates (collectively “TOSHIBA”), reserve the right to make changes to the information
in this document, and related hardware, software and systems (collectively “Product”) without notice.
This document and any information herein may not be reproduced without prior written permission from TOSHIBA. Even with
TOSHIBA’s written permission, reproduction is permissible only if reproduction is without alteration/omission.
Though TOSHIBA works continually to improve Product’s quality and reliability, Product can malfunction or fail. Customers are
responsible for complying with safety standards and for providing adequate designs and safeguards for their hardware, software and
systems which minimize risk and avoid situations in which a malfunction or failure of Product could cause loss of human life, bodily
injury or damage to property, including data loss or corruption. Before customers use the Product, create designs including the
Product, or incorporate the Product into their own applications, customers must also refer to and comply with (a) the latest versions of
all relevant TOSHIBA information, including without limitation, this document, the specifications, the data sheets and application notes
for Product and the precautions and conditions set forth in the “TOSHIBA Semiconductor Reliability Handbook” and (b) the
instructions for the application with which the Product will be used with or for. Customers are solely responsible for all aspects of their
own product design or applications, including but not limited to (a) determining the appropriateness of the use of this Product in such
design or applications; (b) evaluating and determining the applicability of any information contained in this document, or in charts,
diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operating
parameters for such designs and applications. TOSHIBA ASSUMES NO LIABILITY FOR CUSTOMERS’ PRODUCT DESIGN OR
APPLICATIONS.
•
Product is intended for use in general electronics applications (e.g., computers, personal equipment, office equipment, measuring
equipment, industrial robots and home electronics appliances) or for specific applications as expressly stated in this document.
Product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or
reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or serious
public impact (“Unintended Use”). Unintended Use includes, without limitation, equipment used in nuclear facilities, equipment used
in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic signaling
equipment, equipment used to control combustions or explosions, safety devices, elevators and escalators, devices related to electric
power, and equipment used in finance-related fields. Do not use Product for Unintended Use unless specifically permitted in this
document.
•
•
Do not disassemble, analyze, reverse-engineer, alter, modify, translate or copy Product, whether in whole or in part.
Product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any
applicable laws or regulations.
•
•
The information contained herein is presented only as guidance for Product use. No responsibility is assumed by TOSHIBA for any
infringement of patents or any other intellectual property rights of third parties that may result from the use of Product. No license to
any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise.
ABSENT A WRITTEN SIGNED AGREEMENT, EXCEPT AS PROVIDED IN THE RELEVANT TERMS AND CONDITIONS OF SALE
FOR PRODUCT, AND TO THE MAXIMUM EXTENT ALLOWABLE BY LAW, TOSHIBA (1) ASSUMES NO LIABILITY
WHATSOEVER, INCLUDING WITHOUT LIMITATION, INDIRECT, CONSEQUENTIAL, SPECIAL, OR INCIDENTAL DAMAGES OR
LOSS, INCLUDING WITHOUT LIMITATION, LOSS OF PROFITS, LOSS OF OPPORTUNITIES, BUSINESS INTERRUPTION AND
LOSS OF DATA, AND (2) DISCLAIMS ANY AND ALL EXPRESS OR IMPLIED WARRANTIES AND CONDITIONS RELATED TO
SALE, USE OF PRODUCT, OR INFORMATION, INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE, ACCURACY OF INFORMATION, OR NONINFRINGEMENT.
•
•
Do not use or otherwise make available Product or related software or technology for any military purposes, including without
limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile
technology products (mass destruction weapons). Product and related software and technology may be controlled under the
Japanese Foreign Exchange and Foreign Trade Law and the U.S. Export Administration Regulations. Export and re-export of Product
or related software or technology are strictly prohibited except in compliance with all applicable export laws and regulations.
Please contact your TOSHIBA sales representative for details as to environmental matters such as the RoHS compatibility of Product.
Please use Product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances,
including without limitation, the EU RoHS Directive. TOSHIBA assumes no liability for damages or losses occurring as a result of
noncompliance with applicable laws and regulations.
9
2009-09-30
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