TL432A
Features:
Low Voltage Adjustable Precision Shunt Regulator
•
Precise Reference Voltage to 1.24V
•
Guaranteed 1% Reference Voltage
Tolerance
•
Sink Current Capability, 80µA to100mA
•
Quick Turn-on
•
Adjustable Output Voltage, V
o
=V
REF
to 18V
•
0.2
Ω
Typical Output Impedance
Package and Pin Connections
K
A
R
A
R
K
TO-92
R
A
K
SOT-89
A
Order Information
Order Number
TL432ACPL
TL432ACPK
TL432ALT1
Package
TO-92
SOT-89T&R
SOT-23T&R
R
K
SOT-23
Absolute Maximum Ratings
Symbol
V
KA
I
K
I
REF
Tj
Parameter
Cathode voltage
Continuous cathode current range
Reference current range
Operating Junction Temperature Range
T
A
=
Rating
18
100
3
- 40 to 150
Unit
V
mA
mA
°C
Electrical Characteristics
Symbol
V
RFF
V
DEV
∆V
REF
/∆V
KA
I
REF
I
REF(DEV)
Ik(off)
Zka
I
K
(
MIN
)
Parameter
Reference voltage
25°C ( unless otherwise noted)
Test Conditions
T
A
=25°C
T
A
=full range(see Note1)
V
KA
=
V
REF
, l
K
=10mA(Fig. 1)
!
K
=10mA, V
KA
=18V to V
REF
(Fig. 2)
I
K
=10mA, R
1
=10kΩ R
2
=∞
(Fig.2)
T
K
=full range (see Note 1),
R
1
=10kΩ, R
2
=∞, I
K
=10mA
(Fig. 2)
V
REF
=0 V,(Fig.3)
V
k
=18V
V
ka
=V
ref
, I
k
=1mA to 100mA
F
≤1kHz
(Fig. 1)
V
KA
=V
REF
(Fig. 1)
V
KA
=
V
REF
, l
K
=10mA
TL432A
Min
1.228
Typ
1.240
10
-1
0.25
0.05
0.04
0.2
60
Max
1.252
25
-2.7
0.5
0.3
0.5
0.4
80
Unit
V
mV
mV / V
µA
µA
µA
Ω
µA
(Fig. 1)
V
REF
Temp Deviation
Ratio of Change in V
REF
to
Change in Cathode Voltage
Reference Input Current
I
REF
Temp Deviation
Off-state cathode current
Dynamic Output
Impedance
Minimum Operating Current
Notes: 1. Full temperature range is -40°C to 105°C for TL432
WINGS [ WING SHING COMPUTER COMPONENTS ]
