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TPS78230DDCT Datasheet(PDF) 3 Page - Texas Instruments |
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TPS78230DDCT Datasheet(HTML) 3 Page - Texas Instruments |
3 / 25 page TPS782xx www.ti.com SBVS115B – AUGUST 2008 – REVISED MAY 2010 ELECTRICAL CHARACTERISTICS Over operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(NOM) + 0.5V or 2.2V, whichever is greater; IOUT = 100mA, VEN = VIN, COUT = 1.0mF, fixed VOUT test conditions, unless otherwise noted. Typical values at TJ = +25°C. TPS782xx PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range 2.2 5.5 V Nominal TJ = +25°C –2 ±1 +2 % VOUT DC output accuracy Over VIN, IOUT, VOUT + 0.5V ≤ VIN ≤ 5.5V, –3.0 ±2.0 +3.0 % temperature 0mA ≤ IOUT ≤ 150mA ΔVOUT/ΔVIN Line regulation VOUT(NOM) + 0.5V ≤ VIN ≤ 5.5V, IOUT = 5mA ±1.0 % ΔVOUT/ΔIOUT Load regulation 0mA ≤ IOUT ≤ 150mA ±2.0 % VDO Dropout voltage(1) VIN = 95% VOUT(NOM), IOUT = 150mA 130 250 mV BW = 100Hz to 100kHz, VIN = 2.2V, VN Output noise voltage 86 mVRMS VOUT = 1.2V, IOUT = 1mA ICL Output current limit VOUT = 0.90 × VOUT(NOM) 150 230 400 mA IOUT = 0mA 0.42 1.3 mA IGND Ground pin current IOUT = 150mA 8 mA VEN ≤ 0.4V, 2.2V ≤ VIN < 5.5V, ISHDN Shutdown current (IGND) 18 130 nA TJ = –40°C to +100°C IEN EN pin current VEN = 5.5V 40 nA f = 10Hz 40 dB VIN = 4.3V, PSRR Power-supply rejection ratio VOUT = 3.3V, f = 100Hz 20 dB IOUT = 150mA f = 1kHz 15 dB COUT = 1.0mF, VOUT = 10% VOUT(NOM) to tSTR Startup time(2) 500 ms VOUT = 90% VOUT(NOM) IOUT = 150mA, COUT = 1.0mF, VOUT = 2.8V, tSHDN Shutdown time(3) VOUT = 90% VOUT(NOM) to VOUT = 10% 500(4) ms VOUT(NOM) Shutdown, temperature increasing +160 °C TSD Thermal shutdown temperature Reset, temperature decreasing +140 °C TJ Operating junction temperature –40 +125 °C (1) VDO is not measured for devices with VOUT(NOM) ≤ 2.3V because minimum VIN = 2.2V. (2) Time from VEN = 1.2V to VOUT = 90% (VOUT(NOM)). (3) Time from VEN = 0.4V to VOUT = 10% (VOUT(NOM)). (4) See Shutdown in the Application Information section for more details. Copyright © 2008–2010, Texas Instruments Incorporated Submit Documentation Feedback 3 |
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