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LDR1833 Datasheet(PDF) 1 Page - STMicroelectronics |
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LDR1833 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 16 page April 2008 Rev 3 1/16 16 LDR1833 LDR2533 Very low drop dual voltage regulator Features ■ Output current 1 up to 500 mA ■ Output current 2 up to 1.0 A ■ Low dropout voltage 1 (0.3 V @ IO = 500 mA) ■ Low dropout voltage 2 (0.4 V @ IO = 1 A) ■ Very low supply current (typ. 50 µA in OFF mode, 1.6 mA max in ON mode) ■ Logic-controlled electronic shutdown output voltage availability for each regulator: 1.8 V, 2.5 V, 3.3 V ■ Internal current and thermal limit ■ Stable with low value (min. 4.7 µF) and low ESR output capacitors ■ Supply voltage rejection: 70 dB (typ.) ■ Temperature range (- 40 °C to 125 °C) Description The LDR1833, LDR2533 is a very low drop dual voltage regulator available in PPAK. The very low drop-voltage (0.5 V) and the very low supply current make it particularly suitable for low noise and low power applications such as PDA, Microdrive and other data storage applications while the used high voltage technology makes this device suitable for consumer applications such as Monitors and Set-top-box. For each VO a shutdown logic control function is available (TTL compatible) to decrease the total power consumption. PPAK Table 1. Device summary Order codes Output voltages VO1 VO2 LDR1833PT-R 1.8 V 3.3 V LDR2533PT-R 2.5 V 3.3 V www.st.com |
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Similar Description - LDR1833_08 |
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