Details, datasheet, quote on part number: 52F2278
Part52F2278
CategoryPower Management => Regulators => Voltage Regulators
DescriptionIc-sm Voltage Regulator 3.3v
CompanyN.A.
DatasheetDownload 52F2278 datasheet
  

 

Features, Applications
MC33269 Low Dropout Positive Fixed and Adjustable Voltage Regulators

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 1.0 V dropout composite PNP­NPN pass transistor, current limiting, and thermal shutdown. 12 V and Adjustable Versions. 2.85 V version available as MC34268. 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

Heatsink surface (shown as terminal 4 in case outline drawing) is connected to Pin 2.
(Top View) Heatsink surface (shown as terminal 4 in case outline drawing) is connected to Pin 2.

See detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet.

Rating Power Supply Input Voltage Power Dissipation Case 369A (DPAK) = 25°C Thermal Resistance, Junction­to­Ambient Thermal Resistance, Junction­to­Case Case = 25°C Thermal Resistance, Junction­to­Ambient Thermal Resistance, Junction­to­Case Case = 25°C Thermal Resistance, Junction­to­Ambient Thermal Resistance, Junction­to­Case Case = 25°C Thermal Resistance, Junction­to­Ambient Thermal Resistance, Junction­to­Case Operating Junction Temperature Range Storage Temperature NOTE: ESD data available upon request. Symbol Vin Value 20 Unit V

ELECTRICAL CHARACTERISTICS (CO = 10 µF, = 25°C, for min/max values to +125°C, unless otherwise noted.)

Characteristic Output Voltage (Iout = 10 mA, 25°C) 3.3 Suffix (VCC V) 5.0 Suffix (VCC V) 12 Suffix (VCC 14 V) Output Voltage (Line, Load and Temperature) (Note (1.25 V Vin ­ Vout 15 V, Iout = 500 mA) (1.35 V Vin ­ Vout 10 V, Iout = 800 mA) 3.3 Suffix 5.0 Suffix 12 Suffix Reference Voltage (Iout = 10 mA, Vin ­ Vout = 25°C) for Adjustable Voltage Reference Voltage (Line, Load and Temperature) (Note (1.25 V Vin ­ Vout 15 V, Iout = 500 mA) (1.35 V Vin ­ Vout 10 V, Iout = 800 mA) for Adjustable Voltage Line Regulation (Iout = 10 mA, Vin = [Vout V] to Vin = 25°C) Load Regulation (Vin = Vout 3.0 V, Iout to 800 mA, = 25°C) Dropout Voltage (Iout = 500 mA) (Iout = 800 mA) Ripple Rejection (10 Vpp, 120 Hz Sinewave; Iout = 500 mA) Current Limit (Vin ­ Vout 10 V) Quiescent Current (Fixed Output) (1.5 V Vout (5 V Vout 12 V) Symbol VO V Min Typ Max Unit V

1. The MC33269­12, Vin ­ Vout is limited 8.0 V maximum, because of the 20 V maximum rating applied to Vin.

ELECTRICAL CHARACTERISTICS (CO = 10 µF, = 25°C, for min/max values to +125°C, unless otherwise noted.)

Characteristic Minimum Required Load Current Fixed Output Voltage Adjustable Voltage Adjustment Pin Current Symbol ILoad ­ 8.0 IAdj µA Min Typ Max Unit mA

VAdj Gnd This device contains 38 active transistors.

 

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