поискавой системы для электроныых деталей |
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TPS61170 датащи(PDF) 4 Page - Texas Instruments |
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TPS61170 датащи(HTML) 4 Page - Texas Instruments |
4 / 27 page www.ti.com PIN ASSIGNMENTS VIN CTRL SW FB COMP GND TOP VIEW Thermal Pad 6-PIN2mmx2mmx0.8mmQFN TPS61170 SLVS789A – NOVEMBER 2007 – REVISED FEBRUARY 2008 ELECTRICAL CHARACTERISTICS (continued) VIN = 3.6 V, CTRL = VIN, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT EasyScale TIMING tstart Start time of program stream 2 µs tEOS End time of program stream 2 360 µs tH_LB High time low bit Logic 0 2 180 µs tL_LB Low time low bit Logic 0 2 × t H_LB 360 µs tH_HB High time high bit Logic 1 2 × t L_HB 360 µs tL_HB Low time high bit Logic 1 2 180 µs VACKNL Acknowledge output voltage low Open drain, Rpullup =15 kΩ to Vin 0.4 V tvalACKN Acknowledge valid time See (2) 2 µs tACKN Duration of acknowledge condition See (2) 512 µs THERMAL SHUTDOWN Tshutdown Thermal shutdown threshold 160 °C Thysteresis Thermal shutdown threshold hysteresis 15 °C (2) Acknowledge condition active 0, this condition will only be applied if the RFA bit is set. Open drain output, line needs to be pulled high by the host with resistor load. TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. VIN 6 I The input supply pin for the IC. Connect VIN to a supply voltage between 3 V and 18 V. SW 4 I This is the switching node of the IC. Connect SW to the switched side of the inductor. GND 3 O Ground FB 1 I Feedback pin for current. Connect to the center tap of a resistor divider to program the output voltage. Output of the transconductance error amplifier. Connect an external RC network to this pin to compensate COMP 2 O the regulator. Control pin of the boost regulator. CTRL is a multi-functional pin which can be used for enable the device CTRL 5 I and control the feedback voltage with a PWM signal and digital communications. The thermal pad should be soldered to the analog ground plane to avoid thermal issue. If possible, use Thermal Pad thermal via to connect to ground plane for ideal power dissipation. 4 Submit Documentation Feedback Copyright © 2007–2008, Texas Instruments Incorporated Product Folder Link(s): TPS61170 |
Аналогичный номер детали - TPS61170_08 |
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Аналогичное описание - TPS61170_08 |
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