LX432
TM
®
Low Voltage Adjustable Precision Shunt Regulator
PRODUCTION DATA SHEET
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature for the LX432C with 0°C ≤ TA ≤
70°C and the LX432I with -40°C < TA < 85°C except where otherwise noted.
Parameter
Symbol
Test Conditions
Reference Voltage
Reference Voltage Drift (note 2)
Ratio of VREF Change In Cathode
Voltage Change (note 3)
Reference Terminal Current
Reference Current Drift (note 2)
Minimum Cathode Current For
Regulation
Dynamic Impedance
Off-State Cathode Current
VREF
∆VREF
∆VREF
∆VKA
IREF
∆IREF
IK(MIN)
ZKA
IOFF
IK = 10mA, VKA = VREF, TA = 25°C
IK = 10mA, VKA = VREF, 0°C < TA < 70°C
IK = 10mA, VKA = VREF, -40°C < TA < 85°C
IK = 10ma, VKA = VREF to 16V, TA = 25°C
IK = 10mA, VKA = VREF, TA=25°C, R1=10kΩ,
R2=Open
IK = 10mA, VKA = VREF, 0°C < TA < 70°C
IK = 10mA, VKA = VREF, -40°C < TA < 85°C
VKA = VREF, TA = 25°C
IK = 0.1mA to 15mA, VKA = VREF, TA = 25°C
VKA = 16V, TA = 25°C
Min
1.228
LX432
Typ
1.24
3
4
Max
1.252
12
20
Units
V
mV
mV
-1 -2.7 mV/V
0.1 0.5 µA
0.05 0.3 µA
0.1 0.4 µA
55
80
µA
0.2 0.4
Ω
0.004
µA
Note 2: These parameters are guaranteed by design.
Note 3: ∆VREF Ratio of change in reference input voltage to the change in cathode voltage
∆VKA
Copyright © 2000
Rev. 1.3, 2005-02-24
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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