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LP8900 Datasheet(PDF) 5 Page - Texas Instruments |
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LP8900 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 23 page  LP8900 www.ti.com SNVS542D – MAY 2008 – REVISED AUGUST 2015 7.5 Electrical Characteristics Unless otherwise noted, VEN = 1.2 V, VIN = VOUT + 0.5 V, or 1.8 V, whichever is higher (where VOUT is the higher of VOUT1 and VOUT2), CIN = COUT = 1 µF, and IOUT = 1 mA. Typical values apply for TA = 25°C; minimum and maximum values apply over the full junction temperature range for operation, −40 to +125°C, unless otherwise specified. (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage TA = 25°C, see (2) 1.8 5.5 V VIN = VOUT(NOM) + 0.5 V to 5.5 V 1% 1% ILOAD = 1 mA Output voltage tolerance VIN = 1.8 V to 5.5 V –2.25% 2.25% ILOAD = 1 mA, VOUT = 1.2 V ΔVOUT VIN = VOUT(NOM) + 0.5 V to 5.5 V Line regulation error 0.05 %/V IOUT = 1 mA Load regulation error IOUT = 1 mA to 200 mA 4 9 mV VOUT = 3.6 V 55 82 VDO Dropout voltage(3) IOUT = 200 mA VOUT = 2.8 V 110 164 mV VOUT = 1.8 V 185 260 TA = 25°C, see (4) 0 ILOAD Load current mA See(4) 200 VEN1 = 1.2 V, VEN2 = 0 V, IOUT = 0 mA 48 120 VEN1 = 1.2 V, VEN2 = 1.2 V, IOUT = 0 mA 85 200 IQ Quiescent current µA VEN1 = 1.2 V, VEN2 = 1.2 V, IOUT = 200 mA 210 VEN ≤ 0.4 V 0.003 1 ISC Short-circuit current limit VIN = 3.6 V (5) 600 900 mA ƒ = 1 kHz, IOUT = 200 mA 75 ƒ = 10 kHz, IOUT = 200 mA 65 Power supply rejection PSRR dB ratio(6) ƒ = 100 kHz, IOUT = 200 mA 45 ƒ = 1 MHz, IOUT = 200 mA 30 BW = 10 Hz to 100 IOUT = 0 mA 6 kHz, IOUT = 1 mA 10 en Output noise voltage(6) µVRMS VIN = 4.2 V, COUT = 1 IOUT = 200 mA 6 µF Temperature 155 TSHUTDOWN Thermal shutdown °C Hysteresis 15 ENABLE CONTROL CHARACTERISTICS VEN = 0 V, VIN = 5.5 V 0.003 Maximum input current at IEN µA EN input(7) VEN = VIN = 5.5 V 4 VIL Low input threshold VIN = 1.8 V to 5.5 V 0.4 V VIH High input threshold VIN = 1.8 V to 5.5 V 1.2 V (1) All limits are specified. All electrical characteristics having room-temperature limits are tested during production at TJ = 25°C or correlated using Statistical Quality Control methods. Operation over the temperature specification is ensured by correlating the electrical characteristics to process and temperature variations and applying statistical process control. (2) The minimum input voltage = VOUT(NOM) + 0.5 V or 1.8 V, whichever is greater. (3) Dropout voltage is voltage difference between input and output at which the output voltage drops to 100 mV below its nominal value. This parameter is only specified for output voltages above 1.8 V. (4) The device maintains the regulated output voltage without a load. (5) Short circuit current is measured with VOUT pulled to 0 V. (6) This electrical specification is ensured by design. (7) EN Pin has an internal 3-M Ω typical, resistor connected to GND. Copyright © 2008–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LP8900 |
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