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LP5904 Datasheet(PDF) 5 Page - Texas Instruments |
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LP5904 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 23 page + - + - OUT IN A special integrated filter for noise suppression Bandgap 1.2V FILTER REFERENCE VREFC Cf Rf VEN 280W SVA-30110406 LP5904 www.ti.com SNVS637G – MARCH 2011 – REVISED APRIL 2013 ELECTRICAL CHARACTERISTICS (1)(2) (continued) Limits in standard typeface are for TA = 25°C. Limits in boldface type apply over the full operating junction temperature range (–40°C ≤ TJ ≤ +125°C). Unless otherwise noted, specifications apply to the LP5904 Typical Application Circuit with: VIN = VOUT (NOM) + 1.0V, VEN = 1.2V, CIN = 1.0 µF, COUT = 1.0 µF, IOUT = 1.0 mA. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TRANSIENT CHARACTERISTICS VIN = (VOUT(NOM) + 1.0V) to (VOUT(NOM) + 1.6V) in 30 µs, –2 IOUT = 1mA Line Transient(10) mV VIN = (VOUT(NOM) + 1.6V) to (VOUT(NOM) + 1.0V) in 30 µs, 2 IOUT = 1mA ΔVOUT IOUT = 1mA to 200 mA in 10 µs –50 Load Transient(10) mV IOUT = 200 mA to 1mA in 10 µs 50 Overshoot on Startup(10) Stated as a percentage of nominal VOUT 2 % Turn-on Time To 95% of VOUT(NOM) 85 300 µs (10) This specification is ensured by design. OUTPUT AND INPUT CAPACITORS over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN(1) TYP MAX UNIT CIN Input Capacitance(2) 0.5 1.0 Capacitance for stability µF COUT Output Capacitance(2) 0.5 1.0 10 ESR Output/Input Capacitance(2) 5 500 m Ω (1) Note: The minimum capacitance should be greater than 0.5 μF over the full range of operating conditions. The capacitor tolerance should be 30% or better over the full temperature range. The full range of operating conditions for the capacitor in the application should be considered during device selection to ensure this minimum capacitance specification is met. X7R capacitors are recommended however capacitor types X5R, Y5V and Z5U may be used with consideration of the application and conditions. (2) This specification is ensured by design. BLOCK DIAGRAM Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LP5904 |
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