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TPS65185 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS65185 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 62 page 9 TPS65185, TPS651851 www.ti.com SLVSAQ8D – FEBRUARY 2011 – REVISED DECEMBER 2016 Product Folder Links: TPS65185 TPS651851 Submit Documentation Feedback Copyright © 2011–2016, Texas Instruments Incorporated Electrical Characteristics (continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (1) 10-kΩ Murata NCP18XH103F03RB thermistor (1%) in parallel with a linearization resistor (43 kΩ, 1%) are used at TS pin for panel temperature measurement. VDDH_OUT Output voltage range VSET = 22 V, ILOAD = 2 mA, R6 = 1MΩ, R10 = 47.5 kΩ 21 22 23 V VSET = 25 V, ILOAD = 2 mA, R6 = 1MΩ, R10 = 41.6 kΩ 24 25 26 VSET = 28 V, ILOAD = 2 mA, R6 = 1MΩ, R10 = 37 kΩ 27 28 29 ILOAD Load current range (TPS65185) 10 mA Load current range (TPS651851) 15 fSW Switching frequency 560 kHz RDIS Discharge impedance to ground Enabled when rail is disabled 800 1000 1200 Ω Mismatch to any other RDIS –2% 2% CD Driver capacitor 10 nF CO Output capacitor 1 2.2 µF CP2 (VEE) NEGATIVE CHARGE PUMP VEE_IN Input voltage range 15.2 16 16.8 V PG Power good threshold Fraction of nominal output voltage 90% Power good time-out Not tested in production 50 ms VFB Feedback voltage –0.994 V Accuracy ILOAD = 2 mA –2% 2% VEE_OUT Output voltage range VSET = –20 V, ILOAD = 3 mA –21 –20 –19 V ILOAD Load current range (TPS65185) 12 mA Load current range (TPS651851) 15 fSW Switching frequency 560 kHz RDIS Discharge impedance to ground Enabled when rail is disabled 800 1000 1200 Ω Mismatch to any other RDIS –2% 2% CD Driver capacitor 10 nF CO Nominal output capacitor Capacitor tolerance ±10% 1 2.2 µF THERMISTOR MONITOR(1) ATMS Temperature to voltage ratio Not tested in production –0.0161 V/°C OffsetTMS Offset Temperature = 0°C 1.575 V VTMS_HOT Temp hot trip voltage (T = 50°C) TEMP_HOT_SET = 0x8C 0.768 V VTMS_COOL Temp hot escape voltage (T = 45°C) TEMP_COOL_SET = 0x82 0.845 V VTMS_MAX Maximum input level 2.25 V RNTC_PU Internal pullup resistor 7.307 kΩ RLINEAR External linearization resistor 43 kΩ ADCRES ADC resolution Not tested in production, 1 bit 16.1 mV ADCDEL ADC conversion time Not tested in production 19 µs TMSTTOL Accuracy Not tested in production –1 1 LSB LOGIC LEVELS AND TIMING CHARTERISTICS (SCL, SDA, PWR_GOOD, PWRx, WAKEUP) VOL Output low threshold level IO = 3 mA, sink current (SDA, nINT, PWR_GOOD) 0.4 V VIL Input low threshold level 0.4 V VIH Input high threshold level 1.2 V I(bias) Input bias current VIO = 1.8 V 1 µA tdeglitch Deglitch time, WAKEUP pin Not tested in production 500 µs Deglitch time, PWRUP pin Not tested in production 400 |
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