Download KIA431AC/BC Series

SEMICONDUCTOR
KIA431AC/BC Series
TECHNICAL DATA
BIPOLAR LINEAR INTEGRATED CIRCUIT
PROGRAMMABLE PRECISION REFERENCES
The KIA431 Series integrated circuits are three-terminal programmable shunt regulator diodes.
These monolithic IC voltage reference operate as a low temperature coefficient zener which is programmable from Vref
to 36 volts with two external resistors. These devices exhibit a wide operating current range of 1.0 to 100mA with a
typical dynamic impedance of 0.22Ω.The characteristics of these references make them excellent replacements for
zener diodes in many applications such as digital voltmeters, power supplies, and op amp circuitry. The 2.5 volt
reference makes it convenient to obtain a stable reference from 5.0 volt logic supplies, and since the KIA431 Series
operates as a shunt regulator, it can be used as either a positive or negative voltage reference.
FEATURES
・Low Dynamic Output Impedance : 0.22Ω(Typ.).
・Sink Current Capability of 1.0 to 100mA.
・Equivalent Full-Range Temperature Coefficient of 50ppm/℃ (Typ.).
・Temperature Compensated for Operation Over Full Rated Operating Temperature Range.
・Minimum Cathode Current for Regualation : 500μA(Max).
PIN CONFIGURATION (SOT-23)
LINE UP
Type No.
Package
KIA431ACP
-
TO-92
KIA431BCP
KIA431ACF
KIA431ACM
TOP
VIEW
3E
1
3F
4AC
SOT-23
KIA431BCM
3
-
SOT-89
KIA431BCF
3
Marking
2
2
1
4BC
1. Cathode 2. Ref 3. Anode
BLOCK DIAGRAM
Cathode (K)
+
Reference (R)
Cathode (K)
Reference (R)
2.5Vref
Anode (A)
Anode (A)
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KIA431AC/BC Series
ORDERING INFORMATION
KIA431
Pb-Free / Halogen-Free
Packing Specification
Package Type
Imin Specification
Vref Tolerance
Vref Tolerance code
Imin Code
Package Code
Pb-Free / Halogen-Free
ITEM
KIA431
Code
Tolerance
Code
Spec.
Code
Package
P
Pb-Free
A
±1.0%
C
0.5mA(Max)
P
TO-92
H
Halogen-Free
B
±0.5%
F
SOT-89
M
SOT-23
Packing Specification
TO-92
AT : Taping of AMMO PACK type
SOT-89
RTF : RTF type
SOT-23
RTK : RTK type
MAXIMUM RATINGS (Ta=25℃)
(Full operating ambient temperature range applies unless otherwise noted.)
CHARACTERISTIC
SYMBOL
RATING
UNIT
VKA
37
V
Cathode Current Range, Continuous
IK
-100～150
mA
Reference Input Current Range, Continuous
Iref
-0.05～10
mA
Operating Junction Temperature
Tj
150
℃
Operating Temperature
Topr
-40～85
℃
Storage Temperature
Tstg
-65～150
℃
Cathode To Anode Voltage
KIA431P
Total Power Dissipation
700
PD
KIA431F
KIA431M
(Note1)
800
mW
350
Note1) Package mounted on 99.5% Alumina 10×8×0.6mm
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KIA431AC/BC Series
ELECTRICAL CHARACTERISTICS (Ta=25℃)
CHARACTERISTICS
Reference Input
KIA431A
Voltage
KIA431B
SYMBOL
TEST
CIRCUIT
Vref
Figure 1
Reference Input Voltage
Deviation Over Temperature Range
Ratio of Change in Reference Input
Voltage to Change in Cathode to
ΔVref
(Note 1)
Figure 2
MIN.
TYP.
MAX.
UNIT
2.470
2.495
2.520
V
2.4825
2.495
2.5075
V
-
7.0
30
mV
-
-1.4
-2.7
VKA=Vref , IK=10mA
VKA=Vref , IK=10mA
ΔVKA=
ΔVref/
ΔVKA
Anode Voltage
Figure 1
TEST CONDITION
IK=10mA
10V～Vref
ΔVKA=
mV/V
-
-1.0
-2.0
-
1.8
4.0
-
-
6.5
36V～10V
Ta=25℃
Iref
Reference Input Current
Figure 2
Ta=Topr
Reference Input Current
μA
IK=10mA, R1=10kΩ, R2=∞
ΔIref
Figure 2
IK=10mA, R1=10kΩ, R2=∞
-
0.8
2.5
μA
Minimum Cathode Current For Regulation
Imin
Figure 1
VKA=Vref
-
300
500
μA
Off-State Cathode Current
Ioff
Figure 3
VKA=36V, Vref=0V
-
2.6
1000
nA
Dynamic Impedance
Zka
Figure 1
VKA=Vref, IK=1.0～100mA,
(Note 2)
-
0.22
-
f≦1.0kHz
Ω
Deviation Over Temperature Range
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Revision No : 1
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KIA431AC/BC Series
FIGURE 3-TEST CIRCUIT FOR I off
FIGURE 1-TEST CIRCUIT FOR VKA = Vref
VKA
Input
VKA
Input
IK
I off
Vref
Example : ΔVref = 8.0mV and slope is positive,
FIGURE 2-TEST CIRCUIT FOR VKA > Vref
Vref at 25℃=2.495V, ΔTa=70℃
Input
VKA
IK
R1
Iref
αVref =
VKA = Vref ( 1+
R1
) + Iref
R2
R1
70×(2.495)
= 45.8 ppm/℃
Note 2: The dynamic impedance Zka is defined as:
R2
|Zka| =
Vref
0.008×106
ΔVKA
ΔIk
When the device is programmed with two external
Note 1:
resistors, R1 and R2, (refer to Figure 2) the total
The deviation parameter ΔVref is defined as the differences
dynamic impedance of the circuit is defined as:
between the maximum and minimum values obtained over the
full operating ambient temperature range that applies.
|Zka’| = |Zka| (1+
R1
R2
)
Vref = Vref (Max.)
Vref Max.
- Vref (Min.)
Ta = T2 - T1
Vref Min.
T1
T2
AMBIENT TEMPERATURE
The average temperature coefficient of the Reference
input voltage, ΔVref , is defined as:
(
αVref (
ppm
℃
)=
=
ΔVref
) × 106
Vref at 25℃
ΔTa
ΔVref × 106
ΔTa(Vref at 25℃)
α
Vref can be positive or negative depending on whether
Vref Min. or Vref Max. occurs at the lower ambient temperature.
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Revision No : 1
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KIA431AC/BC Series
I K - VKA
800
VKA =V ref
Ta=25 C
CATHODE CURRENT I K (µA)
CATHODE CURRENT IK (mA)
I K - VKA
150
100
50
0
-50
-1.0
0
1.0
2.0
600
400
200
0
-200
-1.0
-100
-2.0
V KA =V ref
Ta=25 C
3.0
CATHODE VOLTAGE VKA (V)
0
1.0
DYNAMIC IMPEDANCE Zka (Ω)
CHANGE IN REFERENCE INPUT
VOLTAGE Vref (mV)
Zka
IK =10mA
Ta=25 C
-8.0
-16
-24
-32
10
20
30
100
10
1.0
0.1
1.0k
40
10k
100k
1.0M
10M
FREQUENCY f (Hz)
GVO - f
PULSE RESPONSE
I K=10mA
Ta=25 C
Ta=25 C
3.0
50
VOLTAGE SWING (V)
OPEN LOOP VOLTAGE GAIN GVO (dB)
- f
I K=1.0mA~100mA
Ta=25 C
CATHODE VOLTAGE VKA (V)
60
3.0
CATHODE VOLTAGE VKA (V)
Vref - VKA
0
0
2.0
40
30
20
10
0
OUTPUT
2.0
1.0
0
5.0
INPUT
0
-10
1.0k
10k
100k
1.0M
0
10M
4.0
8.0
12
16
20
TIME t (µs)
FREQUENCY f (Hz)
PD - Ta
1000
ALLOWABLE POWER
DISSIPATION PD (mW)
900
800
KIA431F
700
600
500
KIA431P
400
300
200
100
KIA431M
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE Ta ( C)
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Revision No : 1
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KIA431AC/BC Series
C
B
A
C
H
J
B
E
A
G
N
DIM
A
B
C
D
E
F
G
H
J
K
L
M
N
E
K
G
J
D
H
F
F
3
C
2
M
L
1
MILLIMETERS
4.70 MAX
4.80 MAX
3.70 MAX
0.45
1.00
1.27
0.85
0.45
_ 0.50
14.00 +
0.55 MAX
2.30
0.45 MAX
1.00
DIM
A
B
C
D
E
F
G
H
J
K
D
D
K
F
1
F
2
3
MILLIMETERS
4.70 MAX
_ 0.20
2.50 +
1.70 MAX
0.45+0.15/-0.10
4.25 MAX
_ 0.10
1.50 +
0.40 TYP
1.75 MAX
0.75 MIN
0.5+0.10/-0.05
1. REFERENCE
2. ANODE
1. REFERENCE
3. CATHODE
2. ANODE
Heat Sink is common to 2 (ANODE)
3. CATHODE
TO-92
E
B
L
D
L
2
3
H
G
A
SOT-89
1
Q
P
K
J
C
N
P
DIM
A
B
C
D
E
G
H
J
K
L
M
N
P
Q
MILLIMETERS
_ 0.20
2.93 +
1.30+0.20/-0.15
1.30 MAX
0.40+0.15/-0.05
2.40+0.30/-0.20
1.90
0.95
0.13+0.10/-0.05
0.00 ~ 0.10
0.55
0.20 MIN
1.00+0.20/-0.10
7
0.1 MAX
M
3
1. Cathode 2. Ref 3. Anode
2
1
SOT-23
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Revision No : 1
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KIA431AC/BC Series
PRECAUTION FOR USE
Lead-Free Soldering Condition.
Elements mounting styles of electronic devices are gaining in further diversification over recent years, and needs for
components are all the more expanding in varieties. Especially, surface mounting is steadily penetrating into industrial
segments as a world-wide popular technical trend. Although exposure to high temperature is inevitable during soldering
we recommend limiting the soldering temperature to low levels as shown in figure for the sake of retaining inherent
excellent reliability.
_ 1sec
10 +
_3 C
Peak : 260 +
Temperature ( C)
250 C
230 C
180 C
150 C
_ 30sec
90 +
_ 5sec
35 +
Preheating Zone
Reflow Zone
Time (sec)
[Lead-Free Soldering Temperature Profile]
1. When employing solder reflow method
1) Soldering Condition
ⓐ Standard Condition : 250℃ (Temperature), 10±1sec. (Time)
ⓑ Peak Condition : 260±3℃
2) Recommend temperature profile
3) Precautions on heating method
When resin in kept exposed to high temperature for a long time, device reliability may be marred.
Therefore, it is essential to complete soldering in the shortest time possible to prevent temperature of resin from rising.
2. When employing halogen lamps or infrared-ray heaters
When halogen lamps or infrared-ray heaters are used, avoid direct irradiation onto resin surfaces; such devices
cause extensive localized temperature rise.
※ Please keep a reflow solder operating when Surface Mount Package s Soldering.
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Revision No : 1
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