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KD1084 Datasheet(PDF) 1 Page - STMicroelectronics |
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KD1084 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 22 page May 2007 Rev. 6 1/22 22 KD1084 series 5A Low drop positive voltage regulator adjustable and fixed Features ■ Typical dropout 1.3V (at 5A) ■ Three terminal adjustable or fixed output voltage 1.8V, 2.5V, 3.3V. ■ Guaranteed output current up to 5A ■ Output tolerance ±1% at 25°C and ±2% in full temperature range for the "A" version ■ Output tolerance ±2% at 25°C and ±3% In full temperature range internal power and thermal limit ■ Wide operating temp. range -40°C to 125°C ■ Package available: TO-220, D2PAK, DPAK ■ Pinout compatibility with standard adjustable VREG Description The KD1084 is a LOW DROP Voltage Regulator able to provide up to 5A of Output Current. Dropout is guaranteed at a maximum of 1.5V at the maximum output current, decreasing at lower loads. The KD1084 is pin to pin compatible with he older 3-terminal adjustable regulators but has better performances in term of drop and output tolerance. A 2.85V output version is suitable for SCSI-2 active termination. Unlike PNP regulators, where a part of the output current is wasted as quiescent current, the KD1084 quiescent current flows into the load, so increase efficiency. Only a 10µF minimum capacitor is need for stability. The devices are supplied in TO-220, D2PAK and DPAK. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ±1% at 25°C for "A" version and ±2% at 25°C for standard version. DPAK TO-220 D2PAK www.st.com Schematic diagram |
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