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TL1963A-25KTTR Datasheet(PDF) 5 Page - Texas Instruments |
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TL1963A-25KTTR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 27 page TL1963A-xx www.ti.com........................................................................................................................................................ SLVS719E – JUNE 2008 – REVISED AUGUST 2009 ELECTRICAL CHARACTERISTICS (1) (continued) Over operating temperature range TJ = –40°C to 125°C (unless otherwise noted) PARAMETER TEST CONDITIONS TJ MIN TYP (2) MAX UNIT 25°C 0.02 0.06 ILOAD = 1 mA Full range 0.1 25°C 0.1 0.17 ILOAD = 100 mA Full range 0.22 Dropout voltage(4) (6) (7) VDROPOUT V VIN = VOUT(NOMINAL) 25°C 0.19 0.27 ILOAD = 500 mA Full range 0.35 25°C 0.34 0.45 ILOAD = 1.5 A Full range 0.55 ILOAD = 0 mA Full range 1 1.5 ILOAD = 1 mA Full range 1.1 1.6 GND pin current(7) (8) IGND ILOAD = 100 mA Full range 3.8 5.5 mA VIN = VOUT(NOMINAL) + 1 ILOAD = 500 mA Full range 15 25 ILOAD = 1.5 A Full range 80 120 COUT = 10 μF, ILOAD = 1.5 A, eN Output voltage noise 25°C 40 μVRMS BW = 10 Hz to 100 kHz IADJ ADJ pin bias current(3) (9) 25°C 3 10 μA VOUT = OFF to ON Full range 0.9 2 Shutdown threshold V VOUT = ON to OFF Full range 0.25 0.75 V SHDN = 0 V 25°C 0.01 1 I SHDN SHDN pin current μA V SHDN = 20 V 25°C 3 30 Quiescent current in VIN = 6 V, V SHDN = 0 V 25°C 0.01 1 μA shutdown VIN – VOUT = 1.5 V (avg), VRIPPLE = 0.5 VP-P, Ripple rejection 25°C 55 63 dB fRIPPLE = 120 Hz, ILOAD = 0.75 A VIN = 7 V, VOUT = 0 V 25°C 2 ILIMIT Current limit A VIN = VOUT(NOMINAL) + 1 Full range 1.6 Input reverse leakage IIL VIN = –20 V, VOUT = 0 V Full range 1 mA current TL1963A-1.5 VOUT = 1.5 V, VIN < 1.5 V 25°C 600 1200 TL1963A-1.8 VOUT = 1.8 V, VIN < 1.8 V 25°C 600 1200 IRO Reverse output current(10) TL1963A-2.5 VOUT = 2.5 V, VIN < 2.5 V 25°C 600 1200 μA TL1963A-3.3 VOUT = 3.3 V, VIN < 3.3 V 25°C 600 1200 TL1963A VOUT = 1.21 V, VIN < 1.21 V 25°C 300 600 (6) Dropout voltage is the minimum input to output voltage differential needed to maintain regulation at a specified output current. In dropout, the output voltage is equal to: VIN – VDROPOUT. (7) To satisfy requirements for minimum input voltage, the TL1963A (adjustable version) is tested and specified for these conditions with an external resistor divider (two 4.12-k Ω resistors) for an output voltage of 2.4 V. The external resistor divider adds a 300-mA DC load on the output. (8) GND pin current is tested with VIN = (VOUT(NOMINAL) + 1 V) and a current source load. The GND pin current decreases at higher input voltages. (9) ADJ pin bias current flows into the ADJ pin. (10) Reverse output current is tested with the IN pin grounded and the OUT pin forced to the rated output voltage. This current flows into the OUT pin and out the GND pin. Copyright © 2008–2009, Texas Instruments Incorporated Submit Documentation Feedback 5 |
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