TECHNICAL DATA
Low Voltage Adjustable Precision Shunt Regulator
Features
•
Precise Reference Voltage to 1.24V
•
Guaranteed 2%, 1% , 0.5% Reference
Voltage Tolerance
•
Sink Current Capability, 80µA to100mA
•
Quick Turn-on
•
Adjustable Output Voltage, V
o
=V
REF
to 15V
•
0.2
Ω
Typical Output Impedance
•
TO-92, SOT-23, SOT-89 packages.
Applications
•
Linear Regulator
•
Adjustable Supplies
•
Switching Power Supplies
•
Battery Charger
•
Instrumentation
•
Computer Disk Drives
TO-92
TL432
PIN CONNECTIONS
ANODE
REFERENCE
CATHODE
SOT-23
SOT-89
Ordering Information
Product Number
TL432CLF
TL432CLS
TL432CS
TL432CP
TL432ALF
TL432ALS
TL432AS
TL432AP
TL432LF
TL432LS
TL432S
TL432P
Reference Input Voltage
TO-92
0.5%
SOT-23
SOT-89
TO-92
1%
SOT-23
SOT-89
TO-92
2%
SOT-23
SOT-89
Package
Rev. 01
TL432
Electrical Characteristics
Ta= 25° (unless otherwise noted)
C
Symbol
Parameter
Test Conditions
V
KA
=
V
REF
, l
K
=10mA
Min
1.216
1.228
1.234
TL432
Typ
1.240
1.240
1.240
10
-1
0.5
0.05
0.04
0.2
60
Max
1.264
1.252
1.246
25
-2.7
1.0
0.3
0.5
0.4
80
Unit
(Fig. 1)
V
T
A
=25°
C
V
RFF
Reference voltage
TL432 (2%)
TL432-A (1%)
TL432-C (0.5%)
T
A
=full range (see Note1)
V
KA
=
V
REF
, l
K
=10mA (Fig. 1)
!
K
=10mA, V
KA
=15V 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
=15V
V
ka
=V
ref
, I
k
=1mA to 100mA
F
≤1kHz
(Fig. 1)
V
KA
=V
REF
(Fig. 1)
V
DEV
∆V
REF
/∆V
KA
I
REF
I
REF(DEV)
Ik(off)
Zka
I
K
(
MIN
)
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
mV
mV / V
µA
µA
µA
Ω
µA
Notes: 1. Full temperature range is -40° to 105°C for TL432
C
Rev. 01
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