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TLV431ASN1T1G

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
1 Publication Order Number:
TLV431A/D
© Semiconductor Components Industries, LLC, 2000
June, 2017 − Rev. 23
TLV431, NCV431, SCV431
Low Voltage Precision
Adjustable Shunt Regulator
The TLV431A, B and C series are precision low voltage shunt
regulators that are programmable over a wide voltage range of 1.24 V to
16 V. The TLV431A series features a guaranteed reference accuracy of
±1.0% at 25°C and ±2.0% over the entire industrial temperature range of
−40°C to 85°C. The TLV431B series features higher reference accuracy
of ±0.5% and ±1.0% respectively. For the TLV431C series, the accuracy
is even higher. It is ±0.2% and ±1.0% respectively. These devices exhibit
a sharp low current turn−on characteristic with a low dynamic impedance
of 0.20 W over an operating current range of 100 mA to 20 mA. This
combination of features makes this series an excellent replacement for
zener diodes in numerous applications circuits that require a precise
reference voltage. When combined with an optocoupler, the
TLV431A/B/C can be used as an error amplifier for controlling the
feedback loop in isolated low output voltage (3.0 V to 3.3 V) switching
power supplies. These devices are available in economical TO−92−3 and
micro size TSOP−5 and SOT−23−3 packages.
Features
• Programmable Output Voltage Range of 1.24 V to 16 V
• Voltage Reference Tolerance ±1.0% for A Series, ±0.5% for B Series
and ±0.2% for C Series
• Sharp Low Current Turn−On Characteristic
• Low Dynamic Output Impedance of 0.20 W from 100 mA to 20 mA
• Wide Operating Current Range of 50 mA to 20 mA
• Micro Miniature TSOP−5, SOT−23−3 and TO−92−3 Packages
• NCV and SCV Prefix for Automotive and Other Applications
Requiring Unique Site and Control Change Requirements;
AEC−Q100 Qualified and PPAP Capable
• These are Pb−Free and Halide−Free Devices
Applications
• Low Output Voltage (3.0 V to 3.3 V) Switching Power Supply
Error Amplifier
• Adjustable Voltage or Current Linear and Switching Power Supplies
• Voltage Monitoring
• Current Source and Sink Circuits
• Analog and Digital Circuits Requiring Precision References
• Low Voltage Zener Diode Replacements
-
+
1.24 V
ref
Reference (R)
Cathode (K)
Anode (A)
Figure 1. Representative Block Diagram
TO−92
LP SUFFIX
CASE 29
TSOP−5
SN SUFFIX
CASE 483
1
2
3
5
4
SOT−23
SN1 SUFFIX
CASE 318
1
2
3
See detailed ordering and shipping information in the packag
e
dimensions section on page 14 of this data sheet.
ORDERING INFORMATION
See general marking information in the device marking
section on page 13 of this data sheet.
DEVICE MARKING INFORMATION
AND PIN CONNECTIONS
1
2
3
1
2
BENT LEAD
TAPE & REEL
AMMO PACK
STRAIGHT LEAD
BULK PACK
3
www.onsemi.com
TLV431, NCV431, SCV431
www.onsemi.com
2
Reference (R)
Cathode (K)
Anode (A)
Anode (A)
Reference (R)
Cathode (K)
The device contains 13 active transistors.
Device Symbol
Figure 2. Representative Device Symbol and Schematic Diagram
MAXIMUM RATINGS
(Full operating ambient temperature range applies, unless otherwise noted)
Rating
Symbol Value Unit
Cathode to Anode Voltage V
KA
18 V
Cathode Current Range, Continuous I
K
−20 to 25 mA
Reference Input Current Range, Continuous I
ref
*0.05 to 10 mA
Thermal Characteristics
LP Suffix Package, TO−92−3 Package
Thermal Resistance, Junction−to−Ambient
Thermal Resistance, Junction−to−Case
SN Suffix Package, TSOP−5 Package
Thermal Resistance, Junction−to−Ambient
SN1 Suffix Package, SOT−23−3 Package
Thermal Resistance, Junction−to−Ambient
R
q
JA
R
q
JC
R
q
JA
R
q
JA
178
83
226
491
°C/W
Operating Junction Temperature T
J
150 °C
Operating Ambient Temperature Range TLV431
NCV431, SCV431
T
A
*40 to 85
*40 to 125
°C
Storage Temperature Range T
stg
*65 to 150 °C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
NOTE: This device series contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per JEDEC JESD22−A114F, Machine Model Method 200 V per JEDEC JESD22−A115C,
Charged Device Method 1000 V per JEDEC JESD22−C101E. This device contains latch−up protection and exceeds ±100 mA per
JEDEC standard JESD78.
P
D
+
T
J(max)
* T
A
R
qJA
RECOMMENDED OPERATING CONDITIONS
Condition Symbol Min Max Unit
Cathode to Anode Voltage V
KA
V
ref
16 V
Cathode Current I
K
0.1 20 mA
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond
the Recommended Operating Ranges limits may affect device reliability.
TLV431, NCV431, SCV431
www.onsemi.com
3
ELECTRICAL CHARACTERISTICS (T
A
= 25°C unless otherwise noted)
Characteristic
Symbol
TLV431A TLV431B
Uni
t
Min Typ Max Min Typ Max
Reference Voltage (Figure 3)
(V
KA
= V
ref
, I
K
= 10 mA, T
A
= 25°C)
(T
A
= T
low
to T
high
, Note 1)
V
ref
1.228
1.215
1.240
−
1.252
1.265
1.234
1.228
1.240
−
1.246
1.252
V
Reference Input Voltage Deviation Over Temperature (Figure 3)
(V
KA
= V
ref
, I
K
= 10 mA, T
A
= T
low
to T
high
, Notes 1, 2, 3)
DV
ref
− 7.2 20 − 7.2 20
mV
Ration of Reference Input Voltage Change to Cathode Voltage
Change (Figure 4)
(V
KA
= V
ref
to 16 V, I
K
= 10 mA)
DV
ref
DV
KA
− −0.6 −1.5 − −0.6 −1.5
mV
V
Reference Terminal Current (Figure 4)
(I
K
= 10 mA, R1 = 10 kW, R2 = open)
I
ref
− 0.15 0.3 − 0.15 0.3
mA
Reference Input Current Deviation Over Temperature (Figure 4)
(I
K
= 10 mA, R1 = 10 kW, R2 = open, Notes 1, 2, 3)
DI
ref
− 0.04 0.08 − 0.04 0.08
mA
Minimum Cathode Current for Regulation (Figure 3) I
K(min
) − 30 80 − 30 80
mA
Off−State Cathode Current (Figure 5)
(V
KA
= 6.0 V, V
ref
= 0)
(V
KA
= 16 V, V
ref
= 0)
I
K(off)
−
−
0.01
0.012
0.04
0.05
−
−
0.01
0.012
0.04
0.05
mA
Dynamic Impedance (Figure 3)
(V
KA
= V
ref
, I
K
=0.1 mA to 20 mA, f ≤ 1.0 kHz, Note 4)
|Z
KA
|
− 0.25 0.4 − 0.25 0.4
W
1. Ambient temperature range: T
low
= *40°C, T
high
= 85°C.
2. Guaranteed but not tested.
3. The deviation parameters DV
ref
and DI
ref
are defined as the difference between the maximum value and minimum value obtained over the
full operating ambient temperature range that applied.
V
ref
Max
V
ref
Min
T
1
T
2
Ambient Temperature
DV
ref
= V
ref
Max − V
ref
Min
DT
A
= T
2
− T
1
The average temperature coefficient of the reference input voltage, aV
ref
is defined as:
αV
ref
ǒ
ppm
°C
Ǔ
+
ǒ
(DV
ref
)
V
ref
(T
A
+ 25°C)
10
6
Ǔ
DT
A
aV
ref
can be positive or negative depending on whether V
ref
Min or V
ref
Max occurs at the lower ambient temperature, refer to Figure 8.
Example: DV
ref
= 7.2 mV and the slope is positive,
Example: V
ref
@ 25°C = 1.241 V
Example: DT
A
= 125°C
αV
ref
ǒ
ppm
°C
Ǔ
+
0.0072
1.241
125
+ 46 ppmń°C
10
6
4. The dynamic impedance Z
KA
is defined as:
⏐Z
KA
⏐ +
DV
KA
DI
K
When the device is operating with two external resistors, R1 and R2, (refer to Figure 4) the total dynamic impedance of the circuit is given by:
⏐Z
KA
′⏐ + ⏐Z
KA
⏐
ǒ
1 )
R1
R2
Ǔ
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

TLV431ASN1T1G

Mfr. #:
Buy TLV431ASN1T1G
Manufacturer:
ON Semiconductor
Description:
Voltage References 1.24-16V ADJ 1-100mA
Lifecycle:
New from this manufacturer.
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