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TPS7101QPWLE Fiches technique(PDF) 7 Page - Texas Instruments |
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TPS7101QPWLE Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 31 page TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y LOW-DROPOUT VOLTAGE REGULATORS SLVS092G – NOVEMBER 1994 – REVISED JANUARY 2003 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TPS7101 electrical characteristics at IO = 10 mA, VI = 3.5 V, EN = 0 V, CO = 4.7 µF/CSR† = 1 Ω, FB shorted to OUT at device leads (unless otherwise noted) PARAMETER TEST CONDITIONS‡ TJ TPS7101Q UNIT PARAMETER TEST CONDITIONS‡ TJ MIN TYP MAX UNIT Reference voltage (measured at FB VI = 3.5 V, IO = 10 mA 25 °C 1.178 V Reference voltage (measured at FB with OUT connected to FB) 2.5 V ≤ VI ≤ 10 V, See Note 1 5 mA ≤ IO ≤ 500 mA, – 40 °C to 125°C 1.143 1.213 V Reference voltage temperature coefficient – 40 °C to 125°C 61 75 ppm/ °C VI =2 4V 50 µA ≤ IO ≤ 150 mA 25 °C 0.7 1 VI = 2.4 V, 50 µA ≤ IO ≤ 150 mA – 40 °C to 125°C 1 VI =2 4V 150 mA ≤ IO ≤ 500 25 °C 0.83 1.3 Pass-element series resistance VI = 2.4 V, O mA – 40 °C to 125°C 1.3 Ω (see Note 2) VI =2 9V 50 µA ≤ IO ≤ 500 mA 25 °C 0.52 0.85 Ω VI = 2.9 V, 50 µA ≤ IO ≤ 500 mA – 40 °C to 125°C 0.85 VI = 3.9 V, 50 µA ≤ IO ≤ 500 mA 25 °C 0.32 VI = 5.9 V, 50 µA ≤ IO ≤ 500 mA 25 °C 0.23 Input regulation VI = 2.5 V to 10 V, 50 µA ≤ IO ≤ 500 mA, 25 °C 18 mV Input regulation I , See Note 1 µ O , – 40 °C to 125°C 25 mV IO = 5 mA to 500 mA, 2.5 V ≤ VI ≤ 10 V, 25 °C 14 mV Output regulation O , See Note 1 I , – 40 °C to 125°C 25 mV Output regulation IO = 50 µA to 500 mA, 2.5 V ≤ VI ≤ 10 V, 25 °C 22 mV O µ , See Note 1 I , – 40 °C to 125°C 54 mV IO =50 µA 25 °C 48 59 Ripple rejection f = 120 Hz IO = 50 µA – 40 °C to 125°C 44 dB Ripple rejection f = 120 Hz IO = 500 mA, 25 °C 45 54 dB O , See Note 1 – 40 °C to 125°C 44 Output noise-spectral density f = 120 Hz 25 °C 2 µV/√Hz 10 H ≤ f ≤ 100 kH CO = 4.7 µF 25 °C 95 Output noise voltage 10 Hz ≤ f ≤ 100 kHz, CSR† =1 Ω CO = 10 µF 25 °C 89 µVrms CSR† = 1 Ω CO = 100 µF 25 °C 74 PG trip-threshold voltage§ VFB voltage decreasing from above VPG – 40 °C to 125°C 1.101 1.145 V PG hysteresis voltage§ Measured at VFB 25 °C 12 mV PG output low voltage§ IPG = 400 µA VI = 2 13 V 25 °C 0.1 0.4 V PG output low voltage§ IPG = 400 µA, VI = 2.13 V – 40 °C to 125°C 0.4 V FB input current 25 °C – 10 0.1 10 nA FB input current – 40 °C to 125°C – 20 20 nA † CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance to CO. ‡ Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must be taken into account separately. § Output voltage programmed to 2.5 V with closed-loop configuration (see application information). NOTES: 1. When VI < 2.9 V and IO > 150 mA simultaneously, pass element rDS(on) increases (see Figure 27) to a point such that the resulting dropout voltage prevents the regulator from maintaining the specified tolerance range. 2. To calculate dropout voltage, use equation: VDO = IO ⋅ rDS(on) rDS(on) is a function of both output current and input voltage. The parametric table lists rDS(on) for VI = 2.4 V, 2.9 V, 3.9 V, and 5.9 V, which corresponds to dropout conditions for programmed output voltages of 2.5 V, 3 V, 4 V, and 6 V, respectively. For other programmed values, refer to Figure 26. |
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