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TPS79318DBVT Fiches technique(PDF) 3 Page - Texas Instruments |
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TPS79318DBVT Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 18 page www.ti.com DISSIPATION RATINGS TABLE ELECTRICAL CHARACTERISTICS TPS79301, TPS79318 TPS79325, TPS79328, TPS793285 TPS79330, TPS79333, TPS793475 SLVS348H – JULY 2001 – REVISED OCTOBER 2004 TA ≤ 25°C TA = 70°C TA = 85°C DERATING FACTOR POWER POWER POWER BOARD PACKAGE RθJC RθJA ABOVE TA = 25°C RATING RATING RATING Low-K(1) DBV 65 °C/W 255 °C/W 3.9 mW/ °C 390 mW 215 mW 155 mW High-K(2) DBV 65 °C/W 180 °C/W 5.6 mW/ °C 560 mW 310 mW 225 mW Low-K(1) YEQ 27 °C/W 255 °C/W 3.9 mW/ °C 390 mW 215 mW 155 mW High-K(2) YEQ 27 °C/W 190 °C/W 5.3 mW/ °C 530 mW 296 mW 216 mW (1) The JEDEC low-K (1s) board design used to derive this data was a 3-inch x 3-inch, two layer board with 2 ounce copper traces on top of the board. (2) The JEDEC high-K (2s2p) board design used to derive this data was a 3-inch x 3-inch, multilayer board with 1 ounce internal power and ground planes and 2 ounce copper traces on top and bottom of the board. over recommended operating temperature range T J = -40 to 125°C, VEN = VIN, VIN = VOUT(nom) + 1 V (1), I OUT = 1 mA, C OUT = 10 µF, CNR = 0.01 µF (unless otherwise noted). Typical values are at 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage(1) 2.7 5.5 V IOUT Continuous output current 0 200 mA VFB Internal reference (TPS79301) 1.201 1.225 1.250 V Output voltage range (TPS79301) VFB 5.5 - VDO V TPS79318 0 µA < IOUT < 200 mA, 2.8 V < VIN < 5.5 V 1.764 1.8 1.836 V TPS79325 0 µA < IOUT < 200 mA, 3.5 V < VIN < 5.5 V 2.45 2.5 2.55 V TPS79328 0 µA < IOUT < 200 mA, 3.8 V < VIN < 5.5 V 2.744 2.8 2.856 V Output voltage TPS793285 0 µA < IOUT < 200 mA, 3.85 V < VIN < 5.5 V 2.793 2.85 2.907 V TPS79330 0 µA < IOUT < 200 mA, 4 V < VIN < 5.5 V 2.94 3 3.06 V TPS79333 0 µA ≤ I OUT < 200 mA, 4.3 V < VIN < 5.5 V 3.234 3.3 3.366 V TPS793475 0 µA < IOUT < 200 mA, 5.25 V < VIN < 5.5 V 4.655 4.75 4.845 V Line regulation ( ∆V OUT%/∆VIN) (1) VOUT + 1 V < VIN≤ 5.5 V 0.05 0.12 %/V Load regulation ( ∆V OUT%/∆IOUT) 0 µA < IOUT < 200 mA, TJ = 25°C 5 mV TPS79328 IOUT = 200 mA 120 200 TPS793285 IOUT = 200 mA 120 200 Dropout voltage(2) TPS79330 IOUT = 200 mA 112 200 mV (VIN = VOUT(nom) - 0.1V) TPS79333 IOUT = 200 mA 102 180 TPS793475 IOUT = 200 mA 77 125 Output current limit VOUT = 0 V 285 600 mA GND pin current 0 µA < IOUT < 200 mA 170 220 µA Shutdown current(3) VEN = 0 V, 2.7 V < VIN < 5.5 V 0.07 1 µA FB pin current VFB = 1.8 V 1 µA f = 100 Hz, TJ = 25°C, IOUT = 10 mA 70 f = 100 Hz, TJ = 25°C, IOUT = 200 mA 68 Power-supply ripple rejection TPS79328 dB f = 10 kHz, TJ = 25°C, IOUT = 200 mA 70 f = 100 kHz, TJ = 25°C, IOUT = 200 mA 43 CNR = 0.001 µF 55 CNR = 0.0047 µF 36 BW = 200 Hz to 100 kHz, Output noise voltage (TPS79328) µVRMS IOUT = 200 mA CNR = 0.01 µF 33 CNR = 0.1 µF 32 (1) Minimum VIN is 2.7 V or VOUT + VDO, whichever is greater. (2) Dropout is not measured for the TPS79318 and TPS79325 since minimum VIN = 2.7 V. (3) For adjustable versions, this applies only after VIN is applied; then VEN transitions high to low. 3 |
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