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TPS658620ZQZT датащи(PDF) 64 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 64 Page - Texas Instruments |
64 / 104 page ![]() 3.56.3 LDO4 DVM LDO – OUTPUT VOLTAGE REGISTERS 3.56.4 LDO OUTPUT DISCHARGE SWITCHES 3.56.5 NON-DVM SUPPLY VOLTAGE SETTINGS TPS658620 Advanced Power Management Unit SLVS993 – OCTOBER 2009 www.ti.com Registers 0x32 and 0x33 set the output voltage for LDO4. The slew rate is internally fixed to 7mV/ µSec (typ). Table 3-34. DVM Supply Voltage Selection – LDO4 LDO4V1 [Addr 0x32] Bit Number B7 B6 B5 B4 B3 B2 B1 B0 Bit Name RSVD327 RSVD326 RSVD325 LDO4V1[4] LDO4V1[3] LDO4V1[2] LDO4V1[1] LDO4V1[0] Function NOT USED NOT USED NOT USED LDO4 SUPPLY OUTPUT VOLTAGE (See Table 3-35) LDO4V2 [Addr 0x33] Bit Number B7 B6 B5 B4 B3 B2 B1 B0 Bit Name RSVD337 RSVD336 RSVD335 LDO4V2[4] LDO4V2[3] LDO4V2[2] LDO4V2[1] LDO4V2[0] Function NOT USED NOT USED NOT USED LDO4 SUPPLY OUTPUT VOLTAGE (See Table 3-35) The available output voltages are shown below: Table 3-35. LDO4V1[4:0] and LDO4V2[4:0] Output Voltage Settings RANGE [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) 1.7V–2.475V 00000 1.700 01000 1.900 10000 2.100 11000 2.300 00001 1.725 01001 1.925 10001 2.125 11001 2.325 00010 1.750 01010 1.950 10010 2.150 11010 2.350 00011 1.775 01011 1.975 10011 2.175 11011 2.375 00100 1.800 01100 2.000 10100 2.200 11100 2.400 00101 1.825 01101 2.025 10101 2.225 11101 2.425 00110 1.850 01110 2.050 10110 2.250 11110 2.450 00111 1.875 01111 2.075 10111 2.275 11111 2.475 All LDO's, with exception of RTC_OUT LDO, have internal discharge resistors that are connected to ground via internal switches when the LDO is turned OFF, thus discharging the output capacitor. The LDO output discharge switches are always enabled when NORMAL state is set and during the SUPPLYSEQ state. Registers SUPPLYV1, SUPPLYV2, SUPPLYV3, SUPPLYV4 and SUPPLYV6 define the voltage settings for the non-DVM supplies. Register SUPPLYV4 has two bits that control the RTC_OUT LDO functionality. The RTC_OUT LDO will be enabled when LDORTC_ON is 1. The power good threshold for the RTC_OUT LDO can be set as follows: 2.4V (RTC_PGOOD is 1), 2.0V (RTC_PGOOD is 0). DETAILED DESCRIPTION 64 Submit Documentation Feedback |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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