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TPS65180 Datasheet(PDF) 8 Page - Texas Instruments |
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TPS65180 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 44 page  TPS65180, TPS65181, TPS65180B, TPS65181B SLVSA76F – MARCH 2010 – REVISED FEBRUARY 2011 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VIN = 3.7 V, TA = –10°C to 85ºC, Typical values are at TA = 25ºC (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ILIMIT Output current limit 200 mA TSS Soft start time 1 ms C Recommended output capacitor 4.7 µF LDO2 (VNEG) VNEG_IN Input voltage range -17.85 -17 -16.15 V VIN = –17 V, VSET Output voltage set value -15.75 -15 -14.25 V VNEG_SET[2:0] = 0x0h to 0x7h VINTERVAL Output voltage set resolution VIN = –17 V 250 mV VNEG_OUT Output voltage range VSET = –15 V, ILOAD = –20 mA -15.15 -15 -14.85 V VOUTTOL Output tolerance VSET = –15 V, ILOAD = –20 mA -1 1 % VDROPOUT Dropout voltage ILOAD = 120 mA 250 mV VLOADREG Load regulation – DC ILOAD = 10% to 90% 1 % ILOAD Load current range 120 mA ILIMIT Output current limit 200 mA TSS Soft start time 1 ms C Recommended output capacitor 4.7 µF LD01 (POS) AND LDO2 (VNEG) TRACKING Difference between VPOS and VSET = ±15 V, VDIFF -50 50 mV VNEG ILOAD = ±20 mA, 0°C to 60°C VCOM DRIVER VCOM_SET[7:0] = 0x74h (–1.25 V) -0.8 0.8 VIN = 3.4 V to 4.2 V, no load Accuracy % VCOM_SET[7:0] = 0x74h (–1.25 V) -1.5 1.5 VCOM VIN = 3.0 V to 6.0 V, no load Output voltage range -2.5 -0.3 V Resolution VCOM_ADJ = 1 V, 1 LSB 11 17 mV G VCOM gain (VCOM_XADJ/VCOM) VCOM_ADJ = 0 V 1 V/V VCOM SWITCH VCOM = –1.25 V, VCOM_PANEL = 0 V TON Switch ON time 1 ms CVCOM = 4.7 µF, CVCOM_PANEL = 4.7 µF RDS(ON) MOSFET ON resistance VCOM = –1.245 V, ICOM = 30 mA 20 35 Ω ILIMIT MOSFET current limit Not tested in production 200 mA VCOM = 0 V, ISWLEAK Switch leakage current 8.3 nA VCOM_PANEL = –2.5 V VIN3P3 TO V3P3 SWITCH RDS(ON) MOSFET ON resistance VIN3P3 = 3.3 V, ID = 2 mA 50 Ω CP1 (VDDH) CHARGE PUMP VDDH_IN Input voltage range 16.15 17 17.85 V Feedback voltage 1 V VFB Accuracy -3 3 % VDDH_OUT Output voltage range VSET = 22 V, ILOAD = 2 mA 21 22 23 V ILOAD Load current range 10 mA fSW Switching frequency 560 KHz CD Recommended driver capacitor 10 nF CO Recommended output capacitor 4.7 µF CP2 (VEE) NEGATIVE CHARGE PUMP VEE_IN Input voltage range -17.75 -17 -16.15 V 8 Submit Documentation Feedback © 2010–2011, Texas Instruments Incorporated Product Folder Link(s): TPS65180 TPS65181 TPS65180B TPS65181B |
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