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LP5996 Datasheet(PDF) 5 Page - Texas Instruments |
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LP5996 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 18 page  LP5996 www.ti.com SNVS415C – NOVEMBER 2006 – REVISED MAY 2013 Electrical Characteristics (1) (2) (continued) Unless otherwise noted, VEN = 950mV, VIN = VOUT + 1.0V, or 2.0V, whichever is higher, where VOUT is the higher of VOUT1 and VOUT2. CIN = 1 µF, IOUT = 1 mA, COUT1 = COUT2 = 1.0µF. Typical values and limits appearing in normal type apply for TA = 25°C. Limits appearing in boldface type apply over the full junction temperature range for operation, −40 to +125°C. Limit Parameter Test Conditions Typ Units Min Max PSRR Power Supply Rejection f = 1kHz, IOUT = 1mA LDO1 58 Ratio(5) to 150mA LDO2 70 CBYP = 10nF dB f = 20kHz, IOUT = LDO1 45 1mA to 150mA LDO2 60 CBYP = 10nF en Output noise Voltage(5) BW = 10Hz to VOUT = 0.8V 36 100kHz µVRMS VOUT = 3.3V 75 CBYP = 10nF TSHUTDOWN Thermal Shutdown Temperature 160 °C Hysteresis 20 Enable Control Characteristics IEN Input Current at VEN1 or VEN2 VEN = 0.0V 0.005 0.1 µA VEN = 6V 2 5 VIL Low Input Threshold 0.4 V VIH High Input Threshold 0.95 V Timing Characteristics TON Turn On Time (5) To 95% Level 300 µs CBYP = 10nF Transient Line Transient Response Trise = Tfall = 10µs 20 Response | δVOUT| (5) δVIN = 1VCBYP = 10nF Load Transient Response Trise = Tfall = 1µs LDO 1 mV 175 | δVOUT| (5) IOUT = 1mA to 150mA (pk - pk) LDO 2 150 IOUT = 1mA to 300mA (5) This electrical specification is ensured by design. Output Capacitor, Recommended Specifications Limit Parameter Test Conditions Nom Units Min Max COUT Output Capacitance Capacitance 1.0 0.7 µF (1) ESR 5 500 m Ω (1) The Capacitor tolerance should be 30% or better over temperature. The full operating conditions for the application should be considered when selecting a suitable capacitor to ensure that the minimum value of capacitance is always met. Recommended capacitor is X7R. However, depending on the application, X5R, Y5V and Z5U can also be used. (See capacitor section in Applications Hints). Copyright © 2006–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LP5996 |
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