Features: • Low InputtoOutput Voltage Differential• Output Current in Excess of 500 mA• OnChip PowerUp Reset Circuit with Programmable Delay• Internal Current Limiting with Thermal Shutdown• Economical Five Lead TO220 Type PackagesSpecifications Rsting Symbol V...
MC33267: Features: • Low InputtoOutput Voltage Differential• Output Current in Excess of 500 mA• OnChip PowerUp Reset Circuit with Programmable Delay• Internal Current Limiting with T...
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Rsting | Symbol | Value | Unit |
Input Voltage Range |
Vin | 20 to +40 | Vdc |
Delay Voltage Range | VDLYR | 0.3 to VO | V |
Delay Sink Current | IDLY(sink) | 25 | mA |
Reset Voltage Range | VRR | 0.3 to +15 | V |
Reset Sink Current | IR(sink) | 50 | mA |
Power Dissipation Case 314B and 314D (TO220 Type) TA= 25°C Thermal Resistance,JunctiontoAmbient Thermal Resistance,JunctiontoCase Case 936A (D2PAK) [Note 1]TA= 90°C Thermal Resistance, JunctiontoAmbient Thermal Resistance, JunctiontoCase |
PD RJA RJC PD RJA RJC |
Internally Limited6 62.5 4.0 Internally Limited 70 5.0 |
W °C/W °C/W W °C/W °C/W |
Operating Junction Temperature Range | TJ | 40 to +150 | °C |
Storage Temperature Range | Tstg | 55 to +150 | °C |
The MC33267 is a positive fixed 5.0 V regulator that is specifically designed to maintain proper voltage regulation with an extremely low inputtooutput voltage differential. MC33267 is capable of supplying output currents in excess of 500 mA and contains internal current limiting and thermal shutdown protection. MC33267 featured is an onchip powerup reset circuit that is ideally suited for use in microprocessor based systems. Whenever the regulator output voltage is below nominal, the reset output is held low. A programmable time delay is initiated after the regulator has reached its nominal level and upon timeout, the reset output is released.
Due to the low dropout voltage specifications, the MC33267 is ideally suited for use in battery powered industrial and consumer equipment where an extension of useful battery life is desirable. MC33267 is contained in an economical five lead TO220 type package.