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| TS1083 7.5A Low Dropout Positive Voltage Regulator Pin assignment: 1. Ground / Adj 2. Output 3. Input Low Dropout Voltage 1.5V max. General Description The TS1083 are high performance positive voltage regulators are designed for use in applications requiring low dropout performance at full rated current, Additionally, the TS1083 provides excellent regulation over variations due to changes in line, load and temperature. Outstanding features include low dropout performance at rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device. The TS1083 Series are three terminal regulators with fixed and adjustable voltage options available in popular packages. This item is offered in 3-pin TO-220 package. Features Low dropout performance 1.5V max. Full current rating over line and temperature. Fast transient response 2%Total output regulation over line, load and temperature Adjust pin current max 90 A over temperature Line regulation typical 0.015%. Load regulation typical 0.05%. Fixed/adjustable output voltage TO-220 package Block Diagram Ordering Information Part No. TS1083CZ Operating Temp. 0 ~ +125 C o Package TO-220 Absolute Maximum Rating Input Supply Voltage Operation Input Supply Voltage Power Dissipation Operating Junction Temperature Range Storage Temperature Range Lead Soldering Temperature (260 C) TO-220 10 S o Vin Vin (operate) PD TJ TSTG 30 20 Internally Limited 0 ~ +125 -65 ~ +150 V V W o o C C TS1083 1-5 2005/07 rev.C Electrical Characteristics Ta = 25 C, unless otherwise specified. Adjustable version test with Vout = 2.5V. o Parameter Reference Voltage Input Supply Voltage Line Regulation Load Regulation (note 1,2) Dropout Voltage Minimum Load Current Adjustable Pin Current Current Limit Temperature Stability Ripple Rejection Conditions (Vin-out) =1.5V, Io=7.5A Min 1.225 -- Typ 1.25 -0.015 0.05 1.3 8 90 -0.5 60 Max 1.275 30 0.2 1.0 1.5 10 ---70 Unit V V % % V mA uA A % dB Vout+1.5V Vin 20V, Io=10mA Vin=Vout+1.5V, 10mA Io 7.5A Io=5A, Vout=0.1%Vout Vin=5V ------ Vin - Vout=3V Io=10mA F = 120Hz, Io=5A Cout=25uF, Vin=Vout + 3V 5.5 --- Thermal Performance Condition Thermal Resistance Junction to Ambient Package type TO-220 Typ 80 Unit o C/W Note 1: See thermal regulation specification for changes in output voltage due to heating effects. Line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18" from the package. Note 2: Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the input / output voltage difference and the output current. Guaranteed maximum power dissipation will not be available over the full input / output voltage range. Note 3: Quiescent current is defined as the minimum output current required to maintain the regulation. TS1083 2-5 2005/07 rev.C Typical Application Circuit Fixed output voltage version Vout = Vref * (1 + R2 / R1) * Cin is requested if regulator is located Far from power supply filter ** Design Cout as close to Vout pin as possible Adjustable output voltage version TS1083 3-5 2005/07 rev.C Electrical Characteristics Curve Figure 1: Dropout Voltage v.s. Output Current Figure 2: Load regulation v.s. Temp. Figure 3: Short-Circuit Current TS1083 4-5 2005/07 rev.C TO-220 Mechanical Drawing A B A C B C K L K L DIM A B C D MIN TO-220 DIMENSION MILLIMETERS MAX 10.500 4.440 2.940 6.350 1.106 2.715 5.430 14.732 9.017 16.510 4.826 1.397 29.620 2.921 0.610 6.858 10.000 3.240 2.440 0.381 2.345 4.690 12.700 8.382 14.224 3.556 0.508 27.700 2.032 0.255 5.842 INCHES MIN 0.394 0.128 0.096 0.015 0.092 0.092 0.500 0.330 0.560 0.140 0.020 1.060 0.080 0.010 0.230 MAX 0.413 0.175 0.116 0.250 0.040 0.058 0.107 0.581 0.355 0.650 0.190 0.055 1.230 0.115 0.024 0.270 P J I P J I M D E F GM H I J K L M N D F G TS1083 H H E F G E O N O N O P 5-5 2005/07 rev.C |
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