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LTC2972 Datasheet(PDF) 112 Page - Linear Technology |
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LTC2972 Datasheet(HTML) 112 Page - Linear Technology |
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112 / 112 page  LTC2972 112 2972fa For more information www.linear.com/LTC2972 LT 0318 • PRINTED IN USA www.linear.com/LTC2972 ANALOG DEVICES, INC. 2018 RELATED PARTS TYPICAL APPLICATION PART NUMBER DESCRIPTION COMMENTS LTC2975 4-Channel Power System Manager Featuring Accurate Input Current and Energy Measurement 0.25% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and Supervision, Monitor Input Current (1%) and Accumulate Energy LTC2970 Dual I2C Power Supply Monitor and Margining Controller 5V to 15V, ±0.5% TUE 14-Bit ADC, 8-Bit DAC, Temperature Sensor LTC2974 4-Channel Power System Manager 0.25% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and Supervision LTC2977 8-Channel Power System Manager 0.25% TUE 16-Bit ADC, Voltage/Temperature Monitoring and Supervision LTC2980 16-Channel PMBus Power System Manager Dual LTC2977 LTM®2987 16-Channel µModule® PMBus Power System Manager Dual LTC2977 with Integrated Passive Components LTC3887 Dual Output PolyPhase® Step-Down DC/DC Controller 0.5% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and Supervision LTC3883 Single Output PolyPhase Step-Down DC/DC Controller 0.5% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and Supervision LTM4677 Dual 18A or Single 36A µModule Regulator with Digital Power System Management 0.5% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and Supervision Figure 48. LTC2972 Application Circuit VDD33 VDD33 VDD33 VDD33 VDD33 VDD33 1MEG 1MEG 0.22µH 47µF ×4 100Ω 0.1µF 0.1µF 10pF 10m 0.01µF 6.04k 1MEG 221k 0.47µH 100Ω 100Ω 0.1µF 0.1µF 10pF 6.04k 10µF ×2 0.1µF 0.1µF 10k 10k 5.49k MMBT3906 1µF 20k 0.1µF 0.1µF 0.1µF 2k 390pF 6k 390pF 100k 100k MMBT3906 0.1µF 0.1µF 10nF 10nF 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 47µF ×3 715k 2MEG LTC2972 LT8652S CHANNEL 2 OF 2 SW1 FB1 SNSGND1 SS1 BIAS IMON1 VDAC0 VSENSEP0 VSENSEM0 ISENSEM0 ISENSEP0 VOUT_EN0 VIN_SNS IIN_SNSP IIN_SNSM VIN_SNS_CAP AUXFAULTB SW2 FB2 SS2 IMON2 VDAC1 VSENSEP1 VSENSEM1 ISENSEM1 ISENSEP1 VPWR VDD25 VDDIO VDD33 CONTROL0 PG0 FAULTB0 SNSGND2 CONTROL1 PG1 SHARE_CLK WDI/RESETB ALERTB SDA SCL TSENSE0 VOUT_EN1 TSENSE1 1.2V/8.5A 3.3V/8.5A 12VIN TO/FROM OTHER ADI POWER SYSTEM MANAGERS AND MICROCONTROLLERS CH0 DIGITAL IO CH1 DIGITAL IO VCC RT SYNC TEMP REFP REFM FSW = 2MHz BOOST2 BOOST1 CLKOUT VC2 VC1 PG1 PG2 WP PWRGD FAULTB1 75mV/A 75mV/A LT8652S CHANNEL 1 OF 2 1 5 4 43 44 42 28 29 38 32 33 31 30 41 10 23 14 17 18 15 24 11 40 34 35 37 36 39 19 21 20 22 12 16 13 6 9 25 45 2 VDD33 7 VDD25 8 ASEL0 ASEL1 26 27 DNC 3 LOAD LOAD 100Ω 2972 F48 |
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