SPX432AM-L Exar Corporation, SPX432AM-L Datasheet - Page 3

• Manufacturer Part Number: SPX432AM-L
• Description: Voltage & Current References 1.24V Precision Adj. Shunt Regulator
• Manufacturer: Exar Corporation

Specifications of SPX432AM-L

• Product: Voltage References
• Topology: Shunt References
• Output Voltage: 1.24 V
• Average Temperature Coefficient (typ): 50 PPM / C
• Series Vref - Input Voltage (max): 1.24 V
• Shunt Current (max): 1 mA
• Maximum Operating Temperature: + 105 C
• Input Voltage: 1.24 V
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Series Vref - Supply Current (max): 1 A
• Reference Type: Fixed/Precision
• Package / Case: SOT-23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. V
Date: 12/11/04
Figure 2. Test Circuit for V
5000
V
ppm
IN
0
I
REF
REF
0.5
VS Temperature.
0
%
mV
-5
0
V
KA
I
KA =
K
= V
V
0
CALCULATION AVERAGE TEMPERATURE COEFICIENT (TC)
REF
REF
15
∆V
0.0033mV /°C
0.0027% / °C
27ppm/°C
Junction Temperature (°C)
REF
Figure 3. Test Circuit for V
30
SPX432 1.24V Precision Adjustable Shunt Regulator
∆T
V
45
(V
IN
REF
R1
R2
)
60
75
I
REF
3
90
105
KA
I
> V
K
V
KA
REF
•
•
•
TC in mV / °C =
TC in % / °C =
TC in ppm / °C =
Figure 4. Test Circuit for I
V
IN
© Copyright 2004 Sipex Corporation
(
(
∆
∆
V
V
∆
TEST CIRCUITS
REF
∆
REF
V
∆
T
REF
V
A
∆
(mV)
REF
at 25°C
V
∆
REF
at 25°C
T
∆
A
T
A
)
)
KOFF
x 100
I
K (OFF)
x 10
V
KA
6