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| CISSOID The SOI design Specialists CHT-LD-100 Preliminary datasheet Version 0.0 (09/2004) High-Temperature, 10V, 1A, Low-Dropout SOI-CMOS Voltage Regulator. Features General Description The CHT-LD-100 is a 1A, low-dropout linear voltage regulator compatible with high-temperature environments. Typical operation temperature range extends from -30C to 225C. The circuit is stable throughout the whole temperature range and with a large choice of capacitive loads. The minimum dropout voltage is 2V with a 1A load and 1V for load currents lower than 100mA. The input voltage may span from 11 Volts to 25 Volts. The circuit is a one-die solution. CHT-LD-100 is available in die and packages (currently TO-3 and TO-220) on demand. * * * * * * * * * * 11V to 25V input Voltage @100mA 12V to 25V input Voltage @1A Max 1A output current @ 225C 60dB input ripple rejection (0-100Hz) Cload from 100nF to 1000F, large ESR range Available on die or in custom package on demand. (3-pins compatible) Stand-by mode available. (4-pins) Tungsten interconnects for long-term reliability The start-up is operative over the whole temperature range Latch-up free Applications Power supplies for high-temperature electronic systems used in Well logging, Automotive, Aeronautics or Aerospace applications. Typical application 12V Cin 2.2F VIN VOUT 10V CHT-LD-100 GND 100nF 22F CHT-LD-100 - Preliminary datasheet Absolute Maximum Ratings Supply Voltage Vin (1) Junction Temperature (Tj) (2) Power dissipation 40V 315C Operating Conditions Supply Voltage Junction temperature (2) Power Dissipation 11V to 25V -30C to 225C ESD Rating (expected) Human Body Model >1kV Electrical Characteristics Vin= Vout+2V, T=25C (unless otherwise stated) Parameter Condition Output voltage accuracy Output voltage accuracy Output voltage line regulation Output voltage load regulation (i.e. Rout) (Vin-Vout) (droupout) Quiescent Ground Pin current Power supply rejection ratio Foldback current Short-circuit current Output noise IL=10mA IL=10mA -30C Min 9.9 -1 9.8 -2 -1 Typ 10 10 Max 10.1 1 12.2 2 1 Units V % V % mV/V 0.05 0.1 V/A V V mA Notes: (1) Above 225C, a minimum load current of few mA (<10 mA) could be required. (2) Power dissipation depends on packaging. For a package with 5C/W (Rth), Pmax=(Max junction temperature - Environment temperature)/Rth. Version 0.0 (13/09/2004) 2 http://www.cissoid.com CHT-LD-100 - Preliminary datasheet Output Load, recommended specifications -100 Resistances in series with capacitors represent the internal ESR of these capacitors. For large capacitors: CB= 0 to 1000F RB= 0.2 to For medium capacitors: CM= 0 to 6F RM=0.1 to 1 For small Capacitors: CS= 100n to 220nF RS=10m to 50m Fast load current transients tbd Contact & Ordering CISSOID S.A. Chemin du cyclotron, 6 1348 Louvain-la-Neuve Belgium Tel : +3210489210 Fax : +3210489219 sales@cissoid.com http://www.cissoid.com Disclaimer Neither CISSOID, nor any of its directors, employees or affiliates make any representations or extend any warranties of any kind, either express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, and the absence of latent or other defects, whether or not discoverable. In no event shall CISSOID, its directors, employees and affiliates be liable for direct, indirect, special, incidental or consequential damages of any kind arising out of the use of its circuits and their documentation, even if they have been advised of the possibility of such a damage. The circuits are provided "as is". CISSOID has no obligation to provide maintenance, support, updates, or modifications. Version 0.0 (13/09/2004) 3 http://www.cissoid.com |
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