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LMZ36002 Datasheet(PDF) 6 Page - Texas Instruments |
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LMZ36002 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 36 page  6 LMZ36002 SNVSA92A – SEPTEMBER 2015 – REVISED SEPTEMBER 2015 www.ti.com Product Folder Links: LMZ36002 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated (1) The minimum PVIN is 4.5 V or (VOUT / 0.75), whichever is greater. For VOUT = 3.3 V, the minimum PVIN is 4.75 V when IOUT > 1.5 A. (2) The stated limit of the set-point voltage tolerance includes the tolerance of both the internal voltage reference and the internal adjustment resistor. The overall output voltage tolerance will be affected by the tolerance of the external RSET resistor. (3) Guaranteed by design. Not production tested. 6.5 Electrical Characteristics Over -40°C to +105°C free-air temperature, PVIN = 24 V, VOUT = 5 V, IOUT = IOUT max, ƒsw = 500 kHz, CIN1 = 1 x 10-µF, 100-V 1210 ceramic, CIN2 = 1 x 100-µF 100-V electrolytic bulk, and COUT = 3 x 47-µF, 16-V 1210 ceramic (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT VOLTAGE (PVIN) PVIN Input voltage range Over IOUT range 4.5(1) 60 V UVLO PVIN undervoltage lockout PVIN increasing 3.2 3.8 V PVIN decreasing 2.8 V OUTPUT VOLTAGE VOUT (ADJ) Output voltage adjust range Over IOUT range 2.5 7.5 V VOUT Set-point voltage tolerance TA = 25°C, IOUT = 300 mA ±0.7 ±1.5(2) % Temperature variation -40°C ≤ TA ≤ 105°C, IOUT = 0 A ±0.9 % Line regulation TA = 25°C, Over PVIN range, IOUT = 300 mA ±0.1 % Load regulation TA = 25°C, IOUT = 300 mA to IOUT max ±0.3 % Total output voltage variation Includes set-point, line, load, and temperature ±2 % VOUT ripple Output voltage ripple 20-MHz Bandwidth 10 mV/pp OUTPUT CURRENT IOUT Output current TA = 105°C, natural convection 0 1.5 A IOUT Output current TA = 105°C, 200LFM 0 2 A IOUT Output current TA = 95°C, natural convection 0 2 A ILIM Overcurrent threshold 2.5 A PERFORMANCE η Efficiency PVIN = 12 V IOUT = 1 A VOUT = 7.5 V; ƒSW = 400 kHz 95 % VOUT = 5 V; ƒSW = 200 kHz 93 % VOUT = 5 V; ƒSW = 500 kHz 92 % VOUT = 3.3 V; ƒSW= 200 kHz 90 % VOUT = 2.5 V; ƒSW = 200 kHz 87 % PVIN = 24 V IOUT = 1 A VOUT = 7.5 V; ƒSW = 400 kHz 92 % VOUT = 5 V; ƒSW= 250 kHz 90 % VOUT = 5 V; ƒSW= 500 kHz 88 % VOUT = 3.3 V; ƒSW = 250 kHz 86 % VOUT = 2.5 V; ƒSW = 250 kHz 81 % Transient response IOUT = 50% load step 1 A/µs slew rate Recovery time 100 µs Over/Undershoot 2 % SLOW START TSS Internal slow start time SS/TR pin open 4.1 ms INHIBIT VINH (high) Inhibit control Precision inhibit level 2.00 2.1 2.42 V VINH (hys) Inhibit turn-off hysteresis -0.294 V II (shutdown) Input shutdown supply current INH/UVLO pin conected to AGND 2.4 6.2(3) µA POWER GOOD (PWRGD) VPWRGD PWRGD thresholds VOUT rising Good 95 % Fault 110 % VOUT falling Fault 90 % Good 105 % |
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