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LA5612 データシート(PDF) 4 Page - Sanyo Semicon Device |
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LA5612 データシート(HTML) 4 Page - Sanyo Semicon Device |
4 / 5 page Function Table (V: built in, ×: not built in) Circuit block Function VO1VO2VO3 AMP A AMP B Input line VIN1VIN2VIN2VIN1VIN1 Current limit VVV ×× Thermal limit VVV ×× On/off control EN1 EN2 EN2 ×× Usage Notes (1) Apply voltage to the voltage input pins on condition that VIN1 ^ VIN2. (2) Apply voltage simultaneously to VIN1 and VIN2. Do not use the LA5612 with voltage applied to only one of these pins. (3) Since the amplifiers do not have current limit protection such as an external NPN transistor, provide this protection in each application. Logic Table Conditions : when VIN1^ VIN2 (at VIN1 ^ 4V,VIN2 ^ 4V) EN1,EN2 VO1, VO2, VO3 L or open L HH (1) ‘‘H’’ for EN denotes high level; ‘‘L’’ denotes low level or open. (2) ‘‘H’’ for VO denotes output ON voltage; ‘‘L’’ denotes output OFF voltage. (3) Each output voltage corresponds to each EN and is controlled independently. (EN1 is coupled with VO1, and EN2 with VO2 and VO3.) Thermal Design Notes (1) In the LA5612, the junction temperature (Tj) at which thermal shutdown is activated is approximately equal to 130°C. (2) Consequently, the operating range of REG1, REG2 and REG3 with the thermal shutdown function is restricted by the thermal shutdown characteristics (typical value) shown in the figure below. (3) The thermal shutdown characteristics vary ±20°C or so. Since thermal shutdown is liable to occur with inadequate heat dissipation, sufficient consideration must be given to the heat dissipation design. Thermal Shutdown Characteristics Typical Characteristics Ambient temperature, Ta — °C LA5612 No.5197 - 4/5 |
同様の部品番号 - LA5612 |
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同様の説明 - LA5612 |
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