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The MC33269 series are low dropout, medium current, fixed and adjustable, positive voltage regulators specifically designed for use in low input voltage applications. These devices offer 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 PNPNPN pass transistor, current limiting, and thermal shutdown.
MC33269DT Maximum Ratings
Rating
Symbol
Value
Unit
Power Supply Input Voltage
Vin
20
V
Power Dissipation Case 369A (DPAK) TA= 25°C Thermal Resistance, JunctiontoAmbient Thermal Resistance, JunctiontoCase Case 751 (SOP8) TA= 25°C Thermal Resistance, JunctiontoAmbient Thermal Resistance, JunctiontoCase Case 221A TA= 25°C Thermal Resistance, JunctiontoAmbient Thermal Resistance, JunctiontoCase Case 318E TA= 25°C Thermal Resistance, JunctiontoAmbient Thermal Resistance, JunctiontoCase
• 3.3 V, 5.0 V, 12 V and Adjustable Versions • Space Saving DPAK, SOP8 and SOT223 Power Packages • 1.0 V Dropout • Output Current in Excess of 800 mA • Thermal Protection • Short Circuit Protection • Output Trimmed to 1.0% Tolerance • No Minimum Load Requirement for Fixed Voltage Output Devices