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LP2952-N Datasheet(PDF) 6 Page - Texas Instruments |
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LP2952-N Datasheet(HTML) 6 Page - Texas Instruments |
6 / 41 page ûVOUT ûPD ûVOUT ûV ûVOUT ûV ûVOUT ûT LP2952-N, LP2952A, LP2953, LP2953A SNVS095F – MAY 2004 – REVISED MARCH 2015 www.ti.com 6.7 Electrical Characteristics: All Voltage Options Limits are assured by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Unless otherwise specified, MIN (minimum) and MAX (maximum) specifications in apply over the full Operating Temperature Range and TYP (typical) values apply at TJ = 25°C, VIN = VOUT(NOM) + 1 V, IOUT = 1 mA, COUT = 2.2 μF for 5-V parts and 4.7 μF for 3.3-V parts. FEEDBACK pin is tied to VTAP pin, OUT pin is tied to SENSE pin. LP2952AI, LP2953AI, LP2952I, LP2953I, LP2952AI-3.3, LP2953AI-3.3(1) LP2952I-3.3, LP2953I-3.3 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX REGULATOR Output voltage temperature See(2) 20 100 20 150 ppm/°C coefficient TJ = 25°C 0.03% 0.1% 0.03% 0.2% Output voltage VIN = VOUT(NOM) + 1 V to 30 V line regulation VIN = VOUT(NOM) + 1 V to 30 V 0.03% 0.2% 0.03% 0.4% TJ = 25°C 0.04% 0.16% 0.04% 0.20% Output voltage IOUT = 1 mA to 250 mA load regulation(3) IOUT = 0.1 mA to 1 mA 0.04% 0.20% 0.04% 0.30% TJ = 25°C, IOUT = 1 mA 60 100 60 100 IOUT = 1 mA 60 150 60 150 IOUT = 50 mA 240 300 240 300 IOUT = 50 mA 240 420 240 420 Dropout VIN – VOUT mV voltage(4) TJ = 25°C, IOUT = 100 mA 310 400 310 400 IOUT = 100 mA 310 520 310 520 TJ = 25°C, IOUT = 250 mA 470 600 470 600 IOUT = 250 mA 470 800 470 800 TJ = 25°C, IOUT = 1 mA 130 170 130 170 μA IOUT = 1 mA 130 200 130 200 TJ = 25°C, IOUT = 50 mA 1.1 2 1.1 2 IOUT = 50 mA 1.1 2.5 1.1 2.5 Ground pin IGND current(5) TJ = 25°C, IOUT = 100 mA 4.5 6 4.5 6 mA IOUT = 100 mA 4.5 8 4.5 8 TJ = 25°C, IOUT = 250 mA 21 28 21 28 IOUT = 250 mA 21 33 21 33 VIN = VOUT(NOM) − 0.5 V 165 210 165 210 Ground pin IGND current at μA IOUT = 100 μA 165 240 165 240 dropout –40°C ≤ TJ ≤ 125°C Ground pin IGND current at TJ = 25°C, VSHUTDOWN ≤ 1.1 V 105 140 105 140 μA shutdown(5) TJ = 25°C, VOUT = 0 380 500 380 500 ILIMIT Current limit mA VOUT = 0 380 530 380 530 Thermal TJ = 25°C; see (6) 0.05 0.2 0.05 0.2 %/W regulation (1) Drive SHUTDOWN pin with TTL or CMOS low level to shut off regulator, high level to turn on regulator. (2) Output or reference voltage temperature coefficient is defined as the worst-case voltage change divided by the total temperature range. (3) Load regulation is measured at constant junction temperature using low duty-cycle pulse testing. Two separate tests are performed, one for the range of IOUT = 100 μA to 1 mA and one for the range of IOUT =1 mA to 250 mA. Changes in output voltage due to heating effects are covered by the thermal regulation specification. (4) Dropout voltage is defined as the input-to-output differential at which the output voltage drops 100 mV below the value measured with a 1-V differential. At very low values of programmed output voltage, the input voltage minimum of 2 V (2.3 V over temperature) must be observed. (5) Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the ground pin current, output load current, and current through the external resistive divider (if used). (6) Thermal regulation is the change in output voltage at a time t after a change in power dissipation, excluding load or line regulation effects. Specifications are for a 200-mA load pulse at VIN = VOUT(NOM) + 15 V (3-W pulse) for t = 10 ms. 6 Submit Documentation Feedback Copyright © 2004–2015, Texas Instruments Incorporated Product Folder Links: LP2952-N LP2952A LP2953 LP2953A |
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