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. Adjust pin current max 90μA over temperature Full current rating over line and temperature. Line regulation typical 0.015%. Fast transient response Load regulation typical 0.05%. ±2%Total output regulation over line, load and Fixed/adjustable output voltage temperature Block Diagram TO-220 package Ordering Information Part No. Operating Temp. o TS1083CZ 0 ~ +125 C Package TO-220 Absolute Maximum Rating Input Supply Voltage Vin 30 V Vin (operate) 20 V Power Dissipation PD Internally Limited W Operating Junction Temperature Range TJ 0 ~ +125 o C -65 ~ +150 o C Operation Input Supply Voltage Storage Temperature Range TSTG o Lead Soldering Temperature (260 C) TO-220 TS1083 10 1-5 S 2005/07 rev.C Electrical Characteristics o Ta = 25 C, unless otherwise specified. Adjustable version test with Vout = 2.5V. Parameter Reference Voltage Conditions (Vin-out) =1.5V, Io=7.5A Input Supply Voltage Line Regulation Load Regulation (note 1,2) Vout+1.5V ≤ Vin ≤ 20V, Io=10mA Vin=Vout+1.5V, 10mA ≤ Io ≤ 7.5A Min Typ Max Unit 1.225 1.25 1.275 V -- -- 30 V -- 0.015 0.2 % -- 0.05 1.0 % Dropout Voltage Io=5A, ∆Vout=0.1%Vout -- 1.3 1.5 V Minimum Load Current Vin=5V -- 8 10 mA -- 90 -- uA 5.5 -- -- A -- 0.5 -- % -- 60 70 dB Adjustable Pin Current Current Limit Vin - Vout=3V Temperature Stability Io=10mA Ripple Rejection F = 120Hz, Io=5A Cout=25uF, Vin=Vout + 3V Thermal Performance Condition Thermal Resistance Junction to Ambient Package type Typ TO-220 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 K K B L L DIM C AB C A P P J J I I M H F G TS1083 D E F G D E O O N 5-5 N TO-220 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX A 10.000 10.500 0.394 0.413 B 3.240 4.440 0.128 0.175 C 2.440 2.940 0.096 0.116 D - 6.350 - 0.250 E 0.381 1.106 0.015 0.040 F 2.345 2.715 0.092 0.058 GM 4.690 5.430 0.092 0.107 H 12.700 14.732 0.500 0.581 I 8.382 9.017 0.330 0.355 J 14.224 16.510 0.560 0.650 K 3.556 4.826 0.140 0.190 L 0.508 1.397 0.020 0.055 M 27.700 29.620 1.060 1.230 N 2.032 2.921 0.080 0.115 O 0.255 0.610 0.010 0.024 P 5.842 6.858 0.230 0.270 2005/07 rev.C H