OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

KA431LDTF

P1-P3P4-P6P7-P9P10-P11
KA431 / KA431A / KA431L — Programmable Shunt Regulator
Publication Order Number:
KA431/D
© 2004 Semiconductor Components Industries, LLC.
Octeber-2017, Rev. 2
KA431 / KA431A / KA431L
Programmable Shunt Regulator
Features
• Programmable Output Voltage to 36 V
• Low Dynamic Output Impedance: 0.2 Ω (Typical)
• Sink Current Capability: 1.0 to 100 mA
• Equivalent Full-Range Temperature Coefficient
of 50 ppm/°C (Typical)
• Temperature Compensated for Operation
Over Full Rated Operating Temperature Range
• Low Output Noise Voltage
• Fast Turn-on Response
Ordering Information
Part Number
Operating
Temperature
Range
Output Voltage
Tolerance
Top Mark Package Packing Method
KA431DTF
-25 ~ +85°C
2% 431 8-SOIC Tape and Reel
KA431ADTF
1%
431A 8-SOIC Tape and Reel
KA431AZBU KA431AZ TO-92 Bulk
KA431AZTA KA431AZ TO-92 Ammo
KA431LZTA 0.5% KA431LZ TO-92 Ammo
Description
The KA431 / KA431A / KA431L are three-terminal
adjustable regulators with a guaranteed thermal stability
over the operating temperature range. The output volt-
age can be set to any value between V
REF
(approxi-
mately 2.5 V) and 36 V with two external resistors.
These devices have a typical dynamic output impedance
of 0.2 Ω. Active output circuitry provides a sharp turn-on
characteristic, making these devices excellent replace-
ments for Zener diodes in many applications.
TO-92
8-SOIC
1. Ref 2. Anode 3. Cathode
1
1
1.Cathode 2.3.6.7.Anode
4.5.NC 8.Ref
KA431 / KA431A / KA431L — Programmable Shunt Regulator
www.onsemi.com
2
Block Diagram
Figure 1. Block Diagram
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-
ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-
tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The
absolute maximum ratings are stress ratings only. Values are at T
A
= 25°C unless otherwise noted.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for ac
tual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. ON
Semiconductor does not recommend exceeding them or designing to Absolute Maximum Ratings.
Symbol Parameter Value Unit
V
KA
Cathode Voltage 37 V
I
KA
Cathode Current Range (Continuous) -100 to +150 mA
I
REF
Reference Input Current Range -0.05 to +10 mA
P
D
Power Dissipation
TO-92, 8-SOIC Packages
770 mW
R
θjA
Thermal Resistance, Junction to Ambient
TO-92, 8-SOIC Packages
160 °C/W
T
OPR
Operating Temperature Range -25 to +85 °C
T
J
Junction Temperature 150 °C
T
STG
Storage Temperature Range -65 to +150 °C
Symbol Parameter Min. Max. Unit
V
KA
Cathode Voltage V
REF
36 V
I
KA
Cathode Current 1 100 mA
2.5 Ref
CATHODE
ANODE
REFERENCE
ANODE(A)
REFERENCE (R)
CATHODE (K)
+
-
KA431 / KA431A / KA431L — Programmable Shunt Regulator
Electrical Characteristics
Values are at T
A
= 25°C unless otherwise noted.
Note:
1.
T
MIN
= -25°C, T
MAX
= +85°C.
Symbol Parameter Conditions
KA431 KA431A KA431L
Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
V
REF
Reference
Input Voltage
V
KA
= V
REF
,
I
KA
= 10 mA
2.450 2.500 2.550 2.470 2.495 2.520 2.482 2.495 2.508 V
ΔV
REF
/
ΔT
Deviation of
Reference
Input Voltage
Over-
Temperature
V
KA
= V
REF
,
I
KA
=10 mA
T
MIN
≤ T
A
≤ T
MAX
(1)
4.5 17.0 4.5 17.0 4.5 17.0 mV
ΔV
REF
/
ΔV
KA
Ratio of
Change in
Reference
Input Voltage
to the
Change in
Cathode
Voltage
I
KA
=
10 mA
ΔV
KA
=
10V-V
REF
-1.0 - 2.7 -1.0 - 2.7 -1.0 -2.7
mV / V
ΔV
KA
=
36 V-10 V
-0.5 -2.0 -0.5 -2.0 -0.5 -2.0
I
REF
Reference
Input Current
I
KA
= 10 mA,
R1 =10 kΩ, R2 = ∞
1.5 4.0 1.5 4.0 1.5 4.0
μA
ΔI
REF
/ ΔT
Deviation of
Reference
Input Current
Over Full
Temperature
Range
I
KA
= 10 mA,
R1 = 10 kΩ, R2 = ∞
T
A
= Full Range
0.4 1.2 0.4 1.2 0.4 1.2
μA
I
KA(MIN)
Minimum
Cathode
Current for
Regulation
V
KA
= V
REF
0.45 1.00 0.45 1.00 0.45 1.00 mA
I
KA(OFF)
Off - Stage
Cathode
Current
V
KA
= 36 V,
V
REF
= 0
0.05 1.00 0.05 1.00 0.05 1.00
μA
Z
KA
Dynamic
Impedance
V
KA
= V
REF
,
I
KA
=1 to 100 mA
f ≥ 1.0 kHz
0.15 0.50 0.15 0.50 0.15 0.50 Ω
www.onsemi.com
3
P1-P3P4-P6P7-P9P10-P11

KA431LDTF

Mfr. #:
Buy KA431LDTF
Manufacturer:
ON Semiconductor / Fairchild
Description:
Voltage References Shunt Regulator 2.5V Programmable
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet