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| IL33269 LOW DROPOUT POSITIVE FIXED AND ADJUSTABLE VOLTAGE REGULATORS The IL33269 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 1.0V dropout composite PNP-NPN pass transistor, current limiting, and thermal shutdown. TO-220 AB Pin 1. Gnd/ Adj 2. Vin 3. Vout (H eatsink surface connected to Pin 2.) FEATURES * 3.3 V, 5.0 V, 12V and Adjustable Versions * 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 Device type/nominal output voltage IL33269-3.3 IL33269-5 IL33269-12 3.3 V 5V 12 V MAXIMUM RATINGS Rating Power Supply input Voltage Power Dissipation and Thermal Characteristics TA = +25 C Thermal Resistance, Junction to Air Thermal Resistance, Junction to Case Operating Junction Temperature Range Storage Temperature Symbol Vin PD JA JC TJ Tstg -40 to +150 -55 to +150 Value 20 Unit V W C/W o C/W C C o 1 IL33269 ELECTRICAL CHARACTERISTICS (CO= 10 nF,TA=25C, for min/max values TJ=-40oC to+125oC, unless otherwise noted.) Characteristic Output Voltage (Iout - 10 mA, TJ = 25C) 3.3 Suffix (Vcc=5.3V) 5.0 Suffix (Vcc=7V) 12 Suffix (Vcc=14V) Output Voltage (Line, Load and Temperature) (1.25 V Vjn - 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, Vjn-Vout = 2.0 V, TJ = 25C) Adjustable Reference Voltage (Line, Load and Temperature) (Note 1) (1.25 VVin- Vout 15 V, Iout - 500 mA) (1.35 V Vin -Vout10 V, Iout - 600 mA) Adjustable Line Regulation (Iout = 10 mA, Vin = [Vout+1.5 V] to Vin=20 V, TJ= 25oC) Load Regulation (Vin=Vout+3.0V, Iout=10mA to 800 mA, TJ = 25oC) 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) Minimum Required Load Current Fixed Output Adjustable Adjustment Pin Current Symbol VQ Min 3.27 4.95 11.86 Vo 3.23 4.9 11.76 1.235 1.225 3.3 5.0 12 1.25 1.25 3.37 5.1 12.24 1.265 1.275 Typ 3.3 5.0 12 Max 3.33 5.05 12.12 V Unit V Vrei Vrel V V Regline Begload Vin-Vout RR ILimit IQ ILoad IAdj 55 600 8.0 - 1.0 1.1 5.5 - 0.3 0.5 1.25 1.35 8.0 0 120 % % V dB mA mA mA nA 2 |
Price & Availability of IL33269-5
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