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TPS7A7300 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS7A7300 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 29 page TPS7A7300 SBVS190D – MARCH 2012 – REVISED SEPTEMBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS Over operating temperature range (TJ = –40°C to +125°C), 1.425 V ≤ VIN ≤ 6.5 V, VIN ≥ VOUT(TARGET) + 0.3 V or VIN ≥ VOUT(TARGET) + 0.7 V (1) (2), OUT connected to 50 Ω to GND(3),V EN = 1.1 V, COUT = 10 μF, CSS = 10 nF, CFF = 0 pF (RGW package), CFF = 220 pF (RGT package), and PG pin pulled up to VIN with 100 kΩ, 27 kΩ ≤ R2 ≤ 33 kΩ for adjustable configuration (4), unless otherwise noted. Typical values are at TJ = +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range 1.425 6.5 V V(SS) SS pin voltage 0.5 V Output voltage range Adjustable with external feedback resistors 0.9 5.0 V Fixed with voltage setting pins 0.9 3.5 VOUT Adjustable, 25 mA ≤ IOUT ≤ 3 A –2.0 +2.0 Output voltage accuracy(5)(6) % Fixed, 25 mA ≤ IOUT ≤ 3 A –3.0 +3.0 ΔVO(ΔVI) Line regulation IOUT = 25 mA 0.01 %/V ΔVO(ΔIO) Load regulation 25 mA ≤ IOUT ≤ 3 A 0.1 %/A VOUT ≤ 3.3 V, IOUT = 3 A, V(FB) = GND 240 mV V(DO) Dropout voltage (7) 3.3 V < VOUT, IOUT = 3 A, V(FB) = GND 700 mV VOUT forced at 0.9 × VOUT(TARGET), VIN = 3.3 V, I(LIM) Output current limit 3.6 A VOUT(TARGET) = 0.9 V Full load, IOUT = 3 A 3.7 mA Minimum load, 4 mA I(GND) GND pin current VIN = 6.5 V, VOUT(TARGET) = 0.9 V, IOUT = 25 mA Shutdown, PG = (open), 0.1 5 μA VIN = 6.5 V, VOUT(TARGET) = 0.9 V, V(EN) < 0.5 V I(EN) EN pin current VIN = 6.5 V, V(EN) = 0 V and 6.5 V ±0.1 μA EN pin low-level input voltage VIL(EN) 0 0.5 V (disable device) EN pin high-level input voltage VIH(EN) 1.1 6.5 V (enable device) VIT(PG) PG pin threshold For the direction PG ↓ with decreasing VOUT 0.85VOUT 0.9VOUT 0.96VOUT V Vhys(PG) PG pin hysteresis For PG ↑ 0.02VOUT V VOL(PG) PG pin low-level output voltage VOUT < VIT(PG), IPG = –1 mA (current into device) 0.4 V Ilkg(PG) PG pin leakage current VOUT > VIT(PG), V(PG) = 6.5 V 1 μA I(SS) SS pin charging current V(SS) = GND, VIN = 3.3 V 3.5 5.1 7.2 μA BW = 100 Hz to 100 kHz, Vn Output noise voltage 39.46 μVRMS VIN = 1.5 V, VOUT = 1.2 V, IOUT = 3 A Shutdown, temperature increasing +160 °C Tsd Thermal shutdown temperature Reset, temperature decreasing +140 °C TJ Operating junction temperature –40 +125 °C (1) When VOUT ≤ 3.5 V, VIN ≥ (VOUT + 0.3 V) or 1.425 V, whichever is greater; when VOUT > 3.5 V, VIN ≥ (VOUT + 0.7 V). (2) VOUT(TARGET) is the calculated target VOUT value from the output voltage setting pins: 50mV, 100mV, 200mV, 400mV, 800mV, and 1.6V in fixed configuration, or the expected VOUT value set by external feedback resistors in adjustable configuration. (3) This 50- Ω load is disconnected when the test conditions specify an IOUT value. (4) R2 is the bottom-side of the feedback resistor between the FB pin and GND. See Figure 40 for details. (5) When the TPS7A7300 is connected to external feedback resistors at the FB pin, external resistor tolerances are not included. (6) The TPS7A7300 is not tested at VOUT = 0.9 V, 2.7 V ≤ VIN ≤ 6.5 V, and 500 mA ≤ IOUT ≤ 3 A because the power dissipation is higher than the maximum rating of the package. Also, this accuracy specification does not apply on any application condition that exceeds the power dissipation limit of the package. (7) V(DO) is not defined for output voltage settings below 1.2 V. 4 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: TPS7A7300 |
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