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TPS658621A Datasheet(PDF) 6 Page - Texas Instruments |
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TPS658621A Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 105 page  TPS658621A SLVSA58 – DECEMBER 2009 www.ti.com ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DIGITAL INPUT BUFFERS: RESUME, SM0EN, SM1EN, HOTRST, LDO4EN, SYNCEN VIL(DIG) Low level input voltage 0.4 V VIH(DIG) High level input voltage 1.15 V ILKG(DIG) Input current V(pin)=5V 0.1 μA RESUME pin , pull-down to AGND 55 100 150 RDIG Internal resistor k Ω HOTRST pin, pull-up to V2V2 55 100 150 PUSH-PULL OUTPUT BUFFERS, USER SELECTABLE OUTPUT VOLTAGE – NORTC, NOPOWER VBFRPWR Buffer positive supply Internally connected to V32K pin 1.1 to 3.3 V IOL = 3 mA, V32K = 1.5 V 0.6 VOL(OBFR) Low level output voltage V IOL = 10 μA, V32K > 1.1 V 0.1 IOH = 1.4 mA, V32K = 1.5 V V32K-0.6 High level output voltage, referenced to output VOH(OBFR) V buffer supply, NORTC IOH = -10 μA, V32K = 1.1 V V32K-0.11 IOH = 1.4 mA, V32K = 1.5 V V32K-0.6 High level output voltage, referenced to output VOH(OBFR) V buffer supply,NOPOWER IOH = -10 μA, V32K = 1.1 V V32K-0.11 IOL(OBFR) Maximum low level sink current load (1) V(pin) = 2.5 V 5 mA IOH(OBFR) Maximum high level source current load (1) V(pin) = 0 V –5 mA OPEN DRAIN OUTPUT BUFFERS – INT IOL = 3 mA, V32K = 1.5 V 0.6 VOL(OBFR) Low level output voltage V IOL = 10 μA, V32K > 1.1 V 0.1 ILKG(OBFR) Output leakage current Output buffer, open-drain mode, V(pin)=5.5V 0.1 μA PUSH-PULL OUTPUT BUFFERS – LDO4PG, SM0PG, SM1PG, CHGSTAT IOL = 3 mA 0.6 VOL(DBFR) Low level output voltage V IOL = 10 μA 0.1 IOH = 3 mA 1.5 High level output voltage , buffer configured as VOH(DBFR) V push-pull via I 2C IOH = –10 μA 1.8 IOL(DBFR) Maximum low level sink current load (1) V(pin) = 2.5 V 5 mA IOH(DBFR) Maximum high level source current load (1) V(pin) = 0 V –5 mA 32kHz OUTPUT BUFFER , V(32K)=1.7V (min), UNLESS OTHERWISE STATED V32B Externally applied bias rail for output driver (1) Buffer supply voltage 1.0 3.6 V V(32K) = 1.1 V, IOL = 100 μA 0.05 VOL Output low level V(32K) = 1.1 V, IOL = 1 mA 0.2 V V(32K) = 1.5 V, IOL = 5 mA 0.5 V(32K) = 1.1 V, IOH = -1 μA V32K-0.05 VOH Normal operation V V(32K) = 1.5 V, IOH = 5 mA V32K-0.5 TF, TR Rise/fall time 32 kHz clock driving 50pF load cap 15 ns Peak to peak 15 VJITTER Output jitter ns RMS 15 32kHz CLOCK AND 32K SWITCHING TIMING Frequency within 2% of typical value, frequency defined by XTAL TXTAL XTAL oscillator stabilization time (1) 2 s characteristics F32K Internal 32 kHz clock Frequency 28 32 36 kHz INTERNAL REFERENCES AND POR VUVLO Internal UVLO detection threshold V(2V2) decreasing -3% 1.85 3% V VUVLO_HYS UVLO detection hysteresis V(2V2) increasing from decreasing trigger point 120 mV VO(2V2) Output Voltage Always on, 2.1 2.2 2.3 V ISH2V2 Short Circuit current limit V(2V2)=0v 18 mA (1) Not production tested. 6 ELECTRICAL SPECIFICATIONS Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TPS658621A |
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