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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS658620ZQZT датащи(PDF) 63 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 63 Page - Texas Instruments |
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63 / 104 page  3.56 LINEAR REGULATORS 3.56.1 OUTPUT VOLTAGE MONITORING 3.56.2 LDO2 DVM LDO - OUTPUT VOLTAGE REGISTERS TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 The TPS658620 offers ten integrated linear dropout regulators (LDOs), designed to be stable over the operating load range with use of external ceramic capacitors. The output voltage can be programmed via I2C. All of the LDOs, with the exception of LDO5 and RTC_OUT LDO, have uncommitted input power supply pins (VIN_LDO01, VIN_LDO23, VIN_LDO4, VIN_LDO678, VIN_LDO9) which should be externally connected to a number of system rails including SYS and the output of SM2. The LDO5 and RTC_OUT regulators are internally connected to the SYS pin. Internal power good comparators monitor the LDO outputs and detect when the output voltage is below 95% of the programmed value. This information is used by the TPS658620 to generate interrupts or to trigger distinct operating modes, depending on specific I2C register settings. See interrupt and sequencing controller section for additional details. Registers 0x29, 0x2A, 0x2F and 0x30 set the output voltage for LDO2. The slew rate is internally fixed to 7mV/ µSec (typ). Table 3-32. DVM Supply Voltage Selection – LDO2 LDO2AV1 [Addr 0x29] Defaults in BOLD Bit Number B7 B6 B5 B4 B3 B2 B1 B0 Bit Name RSVD297 RSVD296 RSVD295 LDO2AV1[4] LDO2AV1[3] LDO2AV1[2] LDO2AV1[1] LDO2AV1[0] Function NOT USED NOT USED NOT USED LDO2 SUPPLY OUTPUT VOLTAGE (See Table 3-33) SM1V2 [Addr 0x24] Defaults in BOLD Bit Number B7 B6 B5 B4 B3 B2 B1 B0 Bit Name RSVD2A7 RSVD2A6 RSVD2A5 LDO2AV2[4] LDO2AV2[3] LDO2AV2[2] LDO2AV2[1] LDO2AV2[0] Function NOT USED NOT USED NOT USED LDO2 SUPPLY OUTPUT VOLTAGE (See Table 3-33) LDO2BV1 [Addr 0x2F] Defaults in BOLD Bit Number B7 B6 B5 B4 B3 B2 B1 B0 Bit Name RSVD2F7 RSVD2F6 RSVD2F5 LDO2BV1[4] LDO2BV1[3] LDO2BV1[2] LDO2BV1[1] LDO2BV1[0] Function NOT USED NOT USED NOT USED LDO2 SUPPLY OUTPUT VOLTAGE (See Table 3-33) LDO2BV2 [Addr 0x30] Defaults in BOLD Bit Number B7 B6 B5 B4 B3 B2 B1 B0 Bit Name RSVD307 RSVD306 RSVD305 LDO2BV2[4] LDO2BV2[3] LDO2BV2[2] LDO2BV2[1] LDO2BV2[0] Function NOT USED NOT USED NOT USED LDO2 SUPPLY OUTPUT VOLTAGE (See Table 3-33) The available output voltages for LDO2 are shown below: Table 3-33. LDO2AV1/2[4:0] and LDO2BV1/2[4:0] Settings RANGE [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) 0.725V–1.50V 00000 0.725 01000 0.925 10000 1.125 11000 1.325 00001 0.750 01001 0.950 10001 1.150 11001 1.350 00010 0.775 01010 0.975 10010 1.175 11010 1.375 00011 0.800 01011 1.000 10011 1.200 11011 1.400 00100 0.825 01100 1.025 10100 1.225 11100 1.425 00101 0.850 01101 1.050 10101 1.250 11101 1.450 00110 0.875 01110 1.075 10110 1.275 11110 1.475 00111 0.900 01111 1.100 10111 1.300 11111 1.500 Submit Documentation Feedback DETAILED DESCRIPTION 63 |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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