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TPS2848PWPR Datasheet(PDF) 9 Page - Texas Instruments |
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TPS2848PWPR Datasheet(HTML) 9 Page - Texas Instruments |
9 / 20 page TPS2838, TPS2839 TPS2848, TPS2849 SLVS367A – MARCH 2001 – REVISED JUNE 2001 9 www.ti.com electrical characteristics over recommended operating virtual junction temperature range, VCC = 12 V, ENABLE = High, CL = 3.3 nF (unless otherwise noted) (continued) digital control (IN, ENABLE, SYNC) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT V High level input voltage IN Over full VCC range 2 V VIH High-level input voltage ENABLE, SYNC Over full VCC range 2.2 V V Low level input voltage IN Over full VCC range 1 V VIL Low-level input voltage ENABLE, SYNC Over full VCC range 1 V ENABLE propagation delay time See Note 2 2 7 µs NOTE 2: Ensured by design, not production tested. thermal shutdown PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Thermal shutdown See Note 2 155 170 185 _C td Falling edge delay time See Note 2 10 20 µs NOTE 2: Ensured by design, not production tested. drive regulator PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Recommended output voltage 4 14 V VO Output voltage VCC = 10 V to 15 V, IO = 5 mA to 150 mA –2 2 %nom Vref Reference voltage VCC = 10 V to 15 V 1.235 V Dropout voltage VCC = 10 V, IO = 150 mA See Note 2 1000 1100 mV Line regulation VCC = 10 V to 15 V, IO = 5 mA 0.2 %/V Load regulation VCC = 10 V, IO = 5 mA to 150 mA 2 % Current limit VCC = 8 V 0.5 0.6 A PWRRDY saturation voltage IO = 5 mA 0.8 V Ilkg Leakage current VI(PWRRDY) = 4.5 V 1 µA drive regulator undervoltage lockout PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Start threshold voltage See Note 2 85 %Vref Stop threshold voltage See Note 2 80 %Vref Vhys Hysteresis voltage See Note 2 2.5 5 %Vref tpd Propagation delay time 50-mV overdrive, See Note 2 300 1000 ns Falling-edge delay time See Note 2 2 5 µs Power on reset time See Note 2 100 1000 µs NOTE 2: Ensured by design, not production tested. |
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