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TPS71401 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS71401 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page ELECTRICAL CHARACTERISTICS PIN CONFIGURATION OUT NC FB/NC IN NC GND 1 2 3 6 5 4 3 2 4 5 1 FB/NC GND NC OUT IN TPS714xx www.ti.com ........................................................................................................................................................................................... SBVS116 – DECEMBER 2008 Over the operating junction temperature range (TJ = –40°C to +125°C), VIN = VOUT(NOM) + 1V, IOUT = 1mA, and COUT = 1µF, unless otherwise noted. The adjustable version is tested with VOUT = 2.8V. Typical values are at TJ = +25°C. TPS714xx PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IOUT = 10mA 2.5 10 Input voltage(1) VIN V IOUT = 80mA 3 10 Voltage range (TPS71401) VOUT 1.19 8.8 V VOUT + 1.0V ≤ VIN ≤ 10V, 0.96 × 1.04 × TPS71401 VOUT(NOM) 1.2V ≤ VOUT ≤ 8.8V, 1mA ≤ IOUT ≤ 80mA VOUT(NOM) VOUT(NOM) Output voltage accuracy(1) V TPS71433 4.3V < VIN < 10V, 1mA ≤ IOUT ≤ 80mA 3.135 3.3 3.465 Output voltage ΔVOUT/ΔVIN VOUT + 1V < VIN ≤ 10V 5 mV line regulation(1) Load regulation ΔVOUT/ΔIOUT IOUT = 1mA to 80mA 30 mV Feedback pin bias current IFB BIAS IOUT = 0mA, VIN = 3V to 10V, VOUT = 1.2V, 2 nA Dropout voltage VDO IOUT = 80mA, VIN = VOUT(NOM) – 0.1V 670 1300 mV Output current limit ICL VOUT = 0V 100 1100 mA TJ = –40°C to +85°C, 1mA ≤ IOUT ≤ 80mA 3.2 4.2 Ground pin current IGND 1mA ≤ IOUT ≤ 80mA 3.2 4.8 µA VIN = 10V, 1mA ≤ IOUT ≤ 80mA 6.6 Power-supply ripple PSRR f = 100kHz, COUT = 10µF 60 dB rejection BW = 200Hz to 100kHz, Output noise voltage VIN 575 µVrms COUT = 10µF, IOUT = 50mA (1) Minimum VIN = VOUT + VDO, or the value shown for Input voltage, whichever is greater. DRV PACKAGE DCK PACKAGE(1) SON-6 SC70-5 (TOP VIEW) (TOP VIEW) (1) DCK (SC70) package available Q1, 2009. Table 1. Pin Descriptions TPS714xx DCK(1) DRV NAME FIXED ADJ. FIXED ADJ. DESCRIPTION FB/NC - 1 - 4 Adjustable version only. This pin is used to set the output voltage. GND 2 2 3, Pad 3, Pad Ground No connection. May be left open or tied to ground for improved thermal NC 1,3 3 2, 4, 5 2, 5 performance. IN 4 4 1 1 Unregulated input voltage. Regulated output voltage. Any output capacitor ≥ 0.47 µF can be used for OUT 5 5 6 6 stability. (1) DCK (SC70) package available Q1, 2009. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 |
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