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Details for UA7805CKCS by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
Buy Directly from Texas Instruments (48954 in stock) $0.2100
VOLT REG 5V 1.5A TO-220-3
UA7805CKCS image

UA7805CKCS by Texas Instruments

VOLT REG 5V 1.5A TO-220-3
3-Terminal Regulators
Available in fixed 5-V/8-V/10-V/12-V/15-V/24-V options
High Power-Dissipation Capability
Internal Short-Circuit Current Limiting
Internal Thermal-Overload Protection
Output Capacitor Not Needed for Stability
Output Current up to 1.5 A
Output Transistor Safe-Area Compensation
Part Information
UA7805CKCS image
RoHS Compliant
This series of fixed-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. Each of these regulators can deliver up to 1.5 A of output current. The internal current-limiting and thermal-shutdown features of these regulators essentially make them immune to overload. In addition to use as fixed-voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents, and also can be used as the power-pass element in precision regulators.
Output Type:
Input Voltage Min:
Input Voltage Max:
Fixed Output Voltage Nom.:
Adjustable Output Voltage Min:
Adjustable Output Voltage Max:
Output Current:
Linear Regulator Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
7805 Voltage Regulators
Automotive Qualification Standard:
No SVHC (27-Jun-2018)
RoHS Phthalates Compliant:
Base Number:
No. of Outputs:
Operating Temperature Range:
0°C to +125°C
Output Voltage Max:
Output Voltage Min:
Output Voltage Nom.:
Primary Input Voltage:
Alternate Descriptions
Reg Standard Lin Fix Pos 5V 1.5A 3-Pin RS Components
LINEAR VOLTAGE REGULATOR, 5V, TO-220-3; Fixed Output Voltage Nom.:5V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Input Voltage Min:7V; Input Voltage Max:25V; Product Range:7805 Voltage Regulators; MSL:- RoHS Compliant: Yes Newark Electronics
Standard Regulator Pos 5V 1.5A 3-Pin(3+Tab) TO-220 Tube Avnet America
Standard Regulator Pos 5V 1.5A 3-Pin(3+Tab) TO-220 Tube Avnet Europe
1.5-A, 38-V, linear voltage regulator Texas Instruments
LDO Voltage Regulator [Texas Instruments] UA7805CKCS LDO Voltage Regulator Distrelec
Reg Standard Lin Fix Pos 5V 1.5A 3-Pin RS Components IT
Engineer Comments

While switching regulators might be all the rage, many - if not most - voltage regulation problems can also be solved in an easier way.

A design based on the UA7805 is unlikely to win you media acclaims or an award for innovation - millions of this Evergreen component have been sold in literally thousands of designs since the time when yours truly was but a lowly cadet. A testament to the popularity is that the UA7805 is not only available from Texas Instruments, but also various second sources (leading to the famous debate of UA7805 vs LM7805).

The UA7805 is but a small part of the family, which has since been extended to cover various other voltages not related to TTL's famously infamous 5V potential. Nevertheless, the operational principle always is the same - connect the ground pin to your application's ground, and the voltage regulator burns away the excessive voltage.

Another interesting aspect is that the parts can be cascaded. A classic application combines a switching regulator with various linear regulators to generate various independent voltage levels.

Tam Hanna