English
Language : 

TL432A Datasheet, PDF (1/2 Pages) Wing Shing Computer Components – Low Voltage Adjustable Precision Shunt Regulator
TL432A
Low Voltage Adjustable Precision Shunt Regulator
Features:
• Precise Reference Voltage to 1.24V
• Guaranteed 1% Reference Voltage
Tolerance
• Sink Current Capability, 80µA to100mA
• Quick Turn-on
• Adjustable Output Voltage, Vo=VREF to 18V
• 0.2 Ω Typical Output Impedance
Order Information
Order Number
TL432ACPL
TL432ACPK
TL432ALT1
Package
TO-92
SOT-89T&R
SOT-23T&R
Package and Pin Connections
R
A
K
TO-92
K
A
R
RA K
SOT-89
A
R
K
SOT-23
Absolute Maximum Ratings
Symbol
Parameter
VKA
Cathode voltage
IK
Continuous cathode current range
I REF
Reference current range
Tj
Operating Junction Temperature Range
Rating
Unit
18
V
100
mA
3
mA
- 40 to 150
°C
Electrical Characteristics TA= 25°C ( unless otherwise noted)
Symbol
Parameter
Test Conditions
VRFF
VDEV
∆VREF/∆VKA
IREF
IREF(DEV)
Ik(off)
Zka
IK(MIN)
Reference voltage
VREF Temp Deviation
Ratio of Change in VREF to
Change in Cathode Voltage
Reference Input Current
IREF Temp Deviation
Off-state cathode current
Dynamic Output
Impedance
VKA=VREF, lK=10mA (Fig. 1)
TA =25°C
TA=full range(see Note1)
VKA=VREF, lK=10mA(Fig. 1)
!K=10mA, VKA=18V to VREF
(Fig. 2)
IK=10mA, R1 =10kΩ R2=∞
(Fig.2)
TK=full range (see Note 1),
R1 =10kΩ, R2=∞, IK=10mA
(Fig. 2)
VREF=0 V,(Fig.3)
Vk=18V
Vka=Vref, Ik=1mA to 100mA
F ≤1kHz (Fig. 1)
Minimum Operating Current VKA=VREF(Fig. 1)
Notes: 1. Full temperature range is -40°C to 105°C for TL432
TL432A
Min Typ Max
1.228 1.240 1.252
10
25
-1 -2.7
0.25 0.5
0.05 0.3
0.04 0.5
0.2 0.4
60
80
Unit
V
mV
mV / V
µA
µA
µA
Ω
µA