onsemi MC34268
The MC34268 is a medium current, low dropout positive voltage regulator specifically designed for use in SCSI−2 active termination circuits. This device offers the circuit designer an economical solution for precision voltage regulation, while keeping power losses to a minimum. The regulator consists of a 1.0 V dropout composite PNP/NPN pass transistor, current limiting, and thermal limiting.| Part No. | MC34268 |
|---|---|
| Datasheet | MC34268 Download |
| Manufacturer |  onsemi |
| Description | SCSI-2 Active Terminator Regulator |
| Buy | Stock & Price |
APPLICATIONS
include active SCSI−2 terminators and post regulation of switching power supplies.FEATURES
● 2.85 V Output Voltage for SCSI−2 Active Termination● 1.0 V Dropout
● Output Current in Excess of 800 mA
● Thermal Protection
● Short Circuit Protection
● Output Trimmed to 1.4% Tolerance
● No Minimum Load Required
● Space Saving DPAK−3, SOT−223 and SOIC−8 Surface Mount Power Packages
● Pb−Free Packages are Available Simplified Block Diagram Input Thermal Limiting Control Circuit Current Limit Output MARKING DIAGRAMS 8 8 1 SOIC−8 D SUFFIX CASE 751 34268 ALYW 1 A = Assembly Location L = Wafer Lot Y = Year W = Work Week GND 1 2 Output 3 Input 4 8 NC 7 Output 6 5 NC (Top View) 1 3 DPAK−3 DT SUFFIX CASE 369A 34268 ALYWW 1 3 SOT−223 ST SUFFIX CASE 318E AYW 268ST 4 Pin 1. Ground 2. Output 3. Input 1 23 4. Output (Top View) Heatsink surface (shown as terminal 4 in case outline drawing) is connected to Pin 2. ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 3 of this data sheet. © Semiconductor Components Industries, LLC, 2005 October, 2019 − Rev.
