ZR431LF02TA Diodes Inc, ZR431LF02TA Datasheet - Page 4

• Manufacturer Part Number: ZR431LF02TA
• Description: Voltage & Current References 1.25 2.5% 2431 Prog
• Manufacturer: Diodes Inc

Specifications of ZR431LF02TA

• Product: Voltage References
• Topology: Shunt References
• Output Voltage: 1.24 V to 10 V
• Initial Accuracy: 2.5 %
• Average Temperature Coefficient (typ): 50 ppm/C
• Series Vref - Input Voltage (max): 10 V
• Shunt Current (max): 25 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Shunt Current (min): 100 uA
• Reference Type: Adjustable
• Package / Case: SOT-23
• Reference Voltage: 1.24V
• Reference Voltage Tolerance: 12mV
• Temperature Coefficient: ± 50ppm/°C
• Voltage Reference Case Style: SOT-23
• No. Of Pins: 3
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical characteristics (at T
DC Test circuits
Fig 1 - Test Circuit for V
Issue 3 - April 2008
© Zetex Semiconductors plc 2008
Parameter
Reference Voltage
Deviation of Reference
Input Voltage over
Temperature
Ratio of the change in
Reference Voltage to the
change in Cathode
Voltage)
Reference Input Current
Deviation of Reference
Input Current over
Temperature
Minimum Cathode
Current for Regulation
Off-state Current
Dynamic Output
Impedance
2.5%
1.0%
Z
= V
ref
Symbol
V
V
V
I
I
I
R
Δ
ref
Zmin
Zoff
Δ
ref
ref
dev
I
Z
V
V
ref
ref
Z
Fig 2 - Test Circuit for V
amb
1.209
1.228
Min.
0.02
= 25°C unless otherwise stated)
4
Typ.
1.24
1.24
0.11
0.02
0.25
4.0
0.5
30
10
Z
1.271
1.252
Max.
100
8.0
2.0
0.4
0.2
> V
30
2
ref
mV/V V
Fig 3 - Test Circuit for Off State
current
Unit
mV
V
V
Ω
A
A
A
A
Conditions
I
I
T
I
R1 = 10k, R2 = O/C,
l
R1 = 10k, R2 = O/C,
I
range (Fig2)
V
(Fig3)
V
I
L
Z
L
L
L
L
a
Z
Z
Z
= 10mA (Fig1), V
= 10mA (Fig2)
= 10mA, V
= 10mA (fig2)
= 10mA T
= 10mA
= full range (Fig 1)
from V
= 10V, V
= V
ref
www.zetex.com
(Fig1), f = 0Hz,
ref
ref
ZR431L
to 10V
a
Z
= full
= 0V
= V
Z
ref
= V
ref