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参数资料
型号： TL431ID5-G
厂商： NXP SEMICONDUCTORS
元件分类： 基准电压源/电流源
英文描述： 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO5
封装： 1.6 MM, MO-178, SOT680-1, PLASTIC, SO-5
文件页数： 9/14页
文件大小： 173K
代理商： TL431ID5-G
Philips Semiconductors
Product data
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
Adjustable precision shunt regulators
2002 Jan 22
4
DC ELECTRICAL CHARACTERISTICS
25
°C free-air temperature, unless otherwise stated.
TEST
LIMITS
SYMBOL
PARAMETER
TEST
CKT
TEST CONDITIONS
TL431AC
TL431C/LM431AC
UNIT
CKT
MIN
TYP
MAX
MIN
TYP
MAX
VREF
Reference input voltage
Fig. 3
VKA = VREF, IK = 10 mA
2470
2495
2520
2440
2495
2550
mV
VREF(dev)
Deviation of reference input
voltage over full
temperature range2
Fig. 3
VKA = VREF, IK = 10 mA;
Tamb = full range1
4
15
4
17
mV
DV
REF
Ratio of change in
reference input voltage to
Fig 4
I =10mA
VKA = 10 V – VREF
–1.4
–2.7
–1.4
–2.7
mV/V
REF
DV
KA
g
the change in cathode
voltage
Fig. 4
IK = 10 mA
VKA = 36 V – 10 V
–1
–2
–1
–2
mV/V
IREF
Reference input current
Fig. 4
IK = 10 mA, R1 = 10 k, R2 = ∞
2
4
2
4
A
IREF(dev)
Deviation of reference input
current over full
temperature range2
Fig. 4
IK = 10 mA, R1 = 10 k, R2 = ∞,
Tamb = full range1
0.8
1.2
0.4
1.2
A
IMIN
Minimum cathode current
for regulation
Fig. 3
VKA = VREF
0.4
0.6
0.4
1
mA
IOFF
Off-state cathode current
Fig. 5
VKA = 36 V, VREF = 0
0.1
0.5
0.1
1
A
| ZKA |
Dynamic impedance3
Fig. 3
VKA = VREF, IK = 1 mA to 100 mA;
f
≤ 1 kHz
0.2
0.5
0.2
0.5
25
°C free-air temperature, unless otherwise stated.
TEST
LIMITS
SYMBOL
PARAMETER
TEST
CKT
TEST CONDITIONS
TL431AI
TL431I
UNIT
CKT
MIN
TYP
MAX
MIN
TYP
MAX
VREF
Reference input voltage
Fig. 3
VKA = VREF, IK = 10 mA
2470
2495
2520
2440
2495
2550
mV
VREF(dev)
Deviation of reference input
voltage over full
temperature range2
Fig. 3
VKA = VREF, IK = 10 mA,
Tamb = full range1
5
25
5
30
mV
DV
REF
Ratio of change in
reference input voltage to
Fig 4
I =10mA
VKA = 10 V – VREF
–1.4
–2.7
–1.4
–2.7
mV/V
REF
DV
KA
g
the change in cathode
voltage
Fig. 4
IK = 10 mA
VKA = 36 V – 10 V
–1
–2
–1
–2
mV/V
IREF
Reference input current
Fig. 4
IK = 10 mA, R1 = 10 k, R2 = ∞
2
4
2
4
A
IREF(dev)
Deviation of reference input
current over full
temperature range2
Fig. 4
IK = 10 mA, R1 = 10 k, R2 = ∞,
Tamb = full range1
0.8
2.5
0.8
2.5
A
IMIN
Minimum cathode current
for regulation
Fig. 3
VKA = VREF
0.4
0.7
0.4
1
A
IOFF
Off-state cathode current
Fig. 5
VKA = 36 V, VREF = 0
0.1
0.5
0.1
1
A
| ZKA |
Dynamic impedance3
Fig. 3
VKA = VREF, IK = 1 mA to 100 mA,
f
≤ 1 kHz
0.2
0.5
0.2
0.5
NOTES:
1. Full temperature range is –40
°C to +85 °C for the TL431I and TL431AI, and 0 °C to +70 °C for the TL431C and TL431AC.
2. The deviation parameters VREF(dev) and IREF(dev) are defined as the differences between the maximum and minimum values obtained over
the rated termperature range. The average full-range temperature coefficient of the reference input voltage,
αVREF, is defined as:
|
aV
REF |
ppm
deg C
+
V
REF(dev)
V
REF
at 25oC
@ 106
DT
amb
VREF(dev)
Max VREF
Min VREF
Tamb
where
Tamb is the rated operating free-air temperature range of the device.
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