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線性與低壓差 (LDO) 穩壓器

UA78

現行

1.5-A、38-V、線性電壓穩壓器

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UA78

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Vin (max) (V) 38 Vin (min) (V) 7 Iout (max) (A) 1.5 Output options Fixed Output Vout (max) (V) 24 Vout (min) (V) 5 Fixed output options (V) 5, 8, 10, 12, 15, 24 Noise (µVrms) 52 PSRR at 100 KHz (dB) 40 Iq (typ) (mA) 4.3 Thermal resistance θJA (°C/W) 22 Load capacitance (min) (µF) 0.1 Regulated outputs (#) 1 Accuracy (%) 3.75 Dropout voltage (Vdo) (typ) (mV) 2000 Operating temperature range (°C) 0 to 125
Rating Catalog Vin (max) (V) 38 Vin (min) (V) 7 Iout (max) (A) 1.5 Output options Fixed Output Vout (max) (V) 24 Vout (min) (V) 5 Fixed output options (V) 5, 8, 10, 12, 15, 24 Noise (µVrms) 52 PSRR at 100 KHz (dB) 40 Iq (typ) (mA) 4.3 Thermal resistance θJA (°C/W) 22 Load capacitance (min) (µF) 0.1 Regulated outputs (#) 1 Accuracy (%) 3.75 Dropout voltage (Vdo) (typ) (mV) 2000 Operating temperature range (°C) 0 to 125
TO-220 (KCS) 3 46.228 mm² 10.16 x 4.55 TO-220 (KCT) 3 45.212 mm² 10.16 x 4.45 TO-263 (KTT) 3 154.8384 mm² 10.16 x 15.24
  • 3-Terminal Regulators
  • Available in fixed 5-V/8-V/10-V/12-V/
    15-V/24-V options
  • Output Current up to 1.5 A
  • Internal Thermal-Overload Protection
  • High Power-Dissipation Capability
  • Internal Short-Circuit Current Limiting
  • Output Transistor Safe-Area Compensation
  • Output Capacitor Not Needed for Stability
  • 3-Terminal Regulators
  • Available in fixed 5-V/8-V/10-V/12-V/
    15-V/24-V options
  • Output Current up to 1.5 A
  • Internal Thermal-Overload Protection
  • High Power-Dissipation Capability
  • Internal Short-Circuit Current Limiting
  • Output Transistor Safe-Area Compensation
  • Output Capacitor Not Needed for Stability

This series of fixed-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. Each of these regulators can deliver up to 1.5 A of output current. The internal current-limiting and thermal-shutdown features of these regulators essentially make them immune to overload. In addition to use as fixed-voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents, and also can be used as the power-pass element in precision regulators.

This series of fixed-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. Each of these regulators can deliver up to 1.5 A of output current. The internal current-limiting and thermal-shutdown features of these regulators essentially make them immune to overload. In addition to use as fixed-voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents, and also can be used as the power-pass element in precision regulators.
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* Data sheet µA78xx Fixed Positive Voltage Regulators datasheet (Rev. P) PDF | HTML 2015年 1月 13日

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