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| TS1085 3A Low Dropout Positive Voltage Regulator TO-263 Low Dropout Voltage 1.3V max. Pin assignment: 1. Ground / Adj 2. Output 3. Input General Description The TS1085 Series are high performance positive voltage regulators are designed for use in applications requiring low dropout performance at full rated current, additionally, the PJ1085 Series 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 TS1085 Series are three terminal regulators with fixed and adjustable voltage options available in popular packages. This series is offered in 3-pin TO-263, TO-220 and TO-252 package. Features Low dropout performance 1.3V max. Full current rating over line and temperature. Fast transient response 2%Total output regulation over line, load and temperature Adjust pin current max 90A over temperature Line regulation typical 0.015%. Load regulation typical 0.05%. Fixed/adjustable output voltage TO-220, TO-263 and TO-252 package Block Diagram Ordering Information Part No. TS1085CZ-xx TS1085CM-xx -20 ~ +85 oC Operating Temp. (Ambient) TO-220 TO-263 Package TO-252 TS1085CP-xx Note: Where xx denotes voltage option, available are 5.0V, 3.3V and 2.5V. Leave blank for adjustable version. Contact factory for additional voltage options. 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 / TO-263 Package TO-252 Package 10 5 S o Vin Vin (operate) PD TJ TSTG 12 7 Internally Limited -25 ~ +150 -65 ~ +150 V V W o o C C TS1085 1-6 2003/12 rev. A Electrical Characteristics Ta = 25 oC, unless otherwise specified. Adjustable version test with Vout = 2.5V. Parameter Output Voltage Conditions Vout+1.5V Vin 7V, Io=10mA Vout+1.5V Vin 7V, Io=3A Min 0.990|Vo| 0.980|Vo| 0.990|Vo| 0.980|Vo| -- Typ 5.0 / 3.3 2.5 1.25 Max 1.010|Vo| 1.020|Vo| 1.010|Vo| 1.020|Vo| Unit V V V V V % % % Reference Voltage (Vin-out) =1.5V, Io=10mA (Vin-out) =1.5V, Io=3A Input Supply Voltage Line Regulation Load Regulation (note 1,2) Vout+1.5V Vin 7V, Io=10mA Vin=Vout+1.5V, 10mA Io 3A Dropout Voltage Minimum Load Current Adjustable Pin Current Current Limit Temperature Stability Ripple Rejection Vin - Vout=3V Io=10mA F = 120Hz, Io=3A Cout=25uF, Vin=Vout + 3V Io=3A, Vout=0.1%Vout Vin=5V -0.015 0.05 7 0.2 1.0 --- ---3.5 --- 1.3 8 90 -0.5 60 1.4 10 ---70 V mA uA A % dB Thermal Performance Condition Thermal Resistance Junction to Ambient Package type TO-220 TO-263 TO-252 Typ 45 45 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. TS1085 2-6 2003/12 rev. A 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 TS1085 3-6 2003/12 rev. A Electrical Characteristics Curve Figure 1: dropout voltage v.s. output current Figure 2: load regulation v.s. temp. Figure 3: output change v.s. temp. Figure 4: line regulation Figure 5: line transient response Figure 6: load transient response TS1085 4-6 2003/12 rev. A TO-220 Mechanical Drawing A B C K L DIM TO-220 DIMENSION MILLIMETERS MIN MAX 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 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 INCHES MIN MAX 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 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 A B C D J I M E F G H I J K L M N D H F G E O N O P TO-263 Mechanical Drawing A TO-263 DIMENSION E F DIM A B C MILLIMETERS MIN MAX 10.000 14.605 0.508 2.420 4.064 1.118 0.450 8.280 1.140 1.480 10.500 15.875 0.991 2.660 4.830 1.400 0.730 8.800 1.400 1.520 INCHES MIN MAX 0.394 0.575 0.020 0.095 0.160 0.045 0.018 0.325 0.044 0.058 0.413 0.625 0.039 0.105 0.190 0.055 0.029 0.346 0.055 0.060 B I H D E F G H I C D G J TS1085 5-6 2003/12 rev. A TO-252 Mechanical Drawing J A E F DIM A MIN 6.570 9.250 0.550 2.560 2.300 0.490 1.460 0.520 5.340 1.460 TO-252 DIMENSION MILLIMETERS MAX 6.840 10.400 0.700 2.670 2.390 0.570 1.580 0.570 5.550 1.640 INCHES MIN 0.259 0.364 0.022 0.101 0.090 0.019 0.057 0.020 0.210 0.057 MAX 0.269 0.409 0.028 0.105 0.094 0.022 0.062 0.022 0.219 0.065 I B B C D E F G H I J G D C H TS1085 6-6 2003/12 rev. A |
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