Datasheet LT3074 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | 5.5V, 3A Ultralow Noise, High PSRR, 45mV Dropout Linear Regulator with PMBus |
| 页数 / 页 | 62 / 10 — Data Sheet. LT3074. ABSOLUTE MAXIMUM RATINGS. Table 2. Absolute Maximum … |
| 文件格式/大小 | PDF / 2.1 Mb |
| 文件语言 | 英语 |
Data Sheet. LT3074. ABSOLUTE MAXIMUM RATINGS. Table 2. Absolute Maximum Ratings. PARAMETER. RATING. analog.com
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Data Sheet LT3074 ABSOLUTE MAXIMUM RATINGS Table 2. Absolute Maximum Ratings PARAMETER RATING
IN Pin Voltage
1
−0.3V to 6V OUT Pin Voltage 1 −0.3V to 6V SENSE Pin Voltage 1 −0.3V to 6V BIAS, BIASAF, BIASDF Pin Voltage 1 −0.3V to 6V SCL, SDA, ALERT Pin Voltage 1 −0.3V to 5.5V EN Pin Voltage 1 −0.3V to 6V VIOC Pin Voltage 1 −0.3V to 6V VIOC Pin Current −1mA to 1mA IMON Pin Voltage
1
−0.3V to 6V PGFB Pin Voltage 1 −0.3V to 6V PG Pin Voltage 1 −0.3V to 6V SETRES, SETCAP Pin Voltage 1 −0.3V to 6V ASEL Pin Voltage 1 −0.3V to 5.5V CLKDIS Pin Voltage 1 −0.3V to 5.5V AGND to DGND Differential Voltage −0.3V to 0.3V Output Short-Circuit Duration Indefinite Operating Junction Temperature
2
−40°C to +125°C Storage Temperature Range −65°C to +150°C Maximum Reflow (Package Body) Temperature +260°C .1 Parasitic diodes exist internally between IN, OUT, SENSE, BIAS, BIASAF, BIASDF, ASEL, SCL, SDA, ALERT , EN, VIOC, CLKDIS, IMON, PG, SETRES, SETCAP, and PGFB pins, and GND. Do not drive these pins more than 0.3V below the GND pin during a fault condition. These pins must remain at a voltage more positive than GND during normal operation. 2 The LT3074A is tested and specified under pulse load conditions such that TJ ≈ TA (ambient temperature). The LT3074A is tested at TA = 25°C. Performance of the LT3074A over the full –40°C and 125°C operating temperature range is assured by design, characterization, and correlation with statistical process controls. The LT3074A is guaranteed over the full –40°C to 125°C operating junction temperature range. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability.
analog.com
Rev 0. 10 of 62 Document Outline Features Applications General Description Simplified Application Diagram Revision History Specifications Absolute Maximum Ratings Thermal Resistance Electrostatic Discharge (ESD) ESD Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Functional Diagrams Applications Information Output Voltage Output Sensing Stability and Output Capacitance High Vibration Environments Stability and Input Capacitance PSRR and Input Capacitance Filtering High Frequency Spikes Output Noise SETCAP Pin Capacitance: Noise, PSRR, Transient Response, and Soft-Start Fast Start Output Voltage Margining BIAS/BIASAF/BIASDF Pin Requirements BIAS Undervoltage Lockout EN/UV Function (Turning the Part ON and OFF) Power Good Indicator Programmable Power Good Current Monitor and Programmable Current Limit Output Overshoot Recovery and Active Discharge Direct Paralleling for Higher Output Current PCB Layout Considerations High Efficiency Linear Regulator – Input-to-Output Voltage Control Thermal Considerations Calculating Junction Temperature Protection Features Serial Bus Addressing Telemetry Readback Fault Reporting and the ALERT pin Bus Timeout TTIMEOUT TLOW:SEXT TLOW:MEXT PMBus Command Details PAGE OPERATION ON_OFF_CONFIG CLEAR_FAULTS WRITE_PROTECT CAPABILITY VOUT_MODE VOUT_OV_WARN_LIMIT VOUT_UV_WARN_LIMIT IOUT_OC_FAULT_LIMIT IOUT_OC_FAULT_RESPONSE OT_WARN_LIMIT VIN_OV_WARN_LIMIT VIN_UV_WARN_LIMIT STATUS_BYTE STATUS_WORD STATUS_VOUT STATUS_IOUT STATUS_INPUT STATUS_TEMPERATURE STATUS_CML STATUS_MFR_SPECIFIC READ_VIN READ_VOUT READ_IOUT READ_TEMPERATURE_1 PMBUS_REVISION IC_DEVICE_ID IC_DEVICE_REV MFR_MARGIN MFR_READ_VBIAS MFR_BIAS_OV_WARN_LIMIT MFR_BIAS_UV_WARN_LIMIT MFR_IOUT_MIN_WARN_LIMIT MFR_SPECIAL_ID MFR_DEFAULT_CONFIG MFR_RAIL_ADDRESS MFR_RESET Typical Application Circuits Outline Dimensions Ordering Guide Evaluation Boards Related Parts
Data Sheet LT3074 ABSOLUTE MAXIMUM RATINGS Table 2. Absolute Maximum Ratings PARAMETER RATING
IN Pin Voltage
1
−0.3V to 6V OUT Pin Voltage 1 −0.3V to 6V SENSE Pin Voltage 1 −0.3V to 6V BIAS, BIASAF, BIASDF Pin Voltage 1 −0.3V to 6V SCL, SDA, ALERT Pin Voltage 1 −0.3V to 5.5V EN Pin Voltage 1 −0.3V to 6V VIOC Pin Voltage 1 −0.3V to 6V VIOC Pin Current −1mA to 1mA IMON Pin Voltage
1
−0.3V to 6V PGFB Pin Voltage 1 −0.3V to 6V PG Pin Voltage 1 −0.3V to 6V SETRES, SETCAP Pin Voltage 1 −0.3V to 6V ASEL Pin Voltage 1 −0.3V to 5.5V CLKDIS Pin Voltage 1 −0.3V to 5.5V AGND to DGND Differential Voltage −0.3V to 0.3V Output Short-Circuit Duration Indefinite Operating Junction Temperature
2
−40°C to +125°C Storage Temperature Range −65°C to +150°C Maximum Reflow (Package Body) Temperature +260°C .1 Parasitic diodes exist internally between IN, OUT, SENSE, BIAS, BIASAF, BIASDF, ASEL, SCL, SDA, ALERT , EN, VIOC, CLKDIS, IMON, PG, SETRES, SETCAP, and PGFB pins, and GND. Do not drive these pins more than 0.3V below the GND pin during a fault condition. These pins must remain at a voltage more positive than GND during normal operation. 2 The LT3074A is tested and specified under pulse load conditions such that TJ ≈ TA (ambient temperature). The LT3074A is tested at TA = 25°C. Performance of the LT3074A over the full –40°C and 125°C operating temperature range is assured by design, characterization, and correlation with statistical process controls. The LT3074A is guaranteed over the full –40°C to 125°C operating junction temperature range. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability.
analog.com
Rev 0. 10 of 62 Document Outline Features Applications General Description Simplified Application Diagram Revision History Specifications Absolute Maximum Ratings Thermal Resistance Electrostatic Discharge (ESD) ESD Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Functional Diagrams Applications Information Output Voltage Output Sensing Stability and Output Capacitance High Vibration Environments Stability and Input Capacitance PSRR and Input Capacitance Filtering High Frequency Spikes Output Noise SETCAP Pin Capacitance: Noise, PSRR, Transient Response, and Soft-Start Fast Start Output Voltage Margining BIAS/BIASAF/BIASDF Pin Requirements BIAS Undervoltage Lockout EN/UV Function (Turning the Part ON and OFF) Power Good Indicator Programmable Power Good Current Monitor and Programmable Current Limit Output Overshoot Recovery and Active Discharge Direct Paralleling for Higher Output Current PCB Layout Considerations High Efficiency Linear Regulator – Input-to-Output Voltage Control Thermal Considerations Calculating Junction Temperature Protection Features Serial Bus Addressing Telemetry Readback Fault Reporting and the ALERT pin Bus Timeout TTIMEOUT TLOW:SEXT TLOW:MEXT PMBus Command Details PAGE OPERATION ON_OFF_CONFIG CLEAR_FAULTS WRITE_PROTECT CAPABILITY VOUT_MODE VOUT_OV_WARN_LIMIT VOUT_UV_WARN_LIMIT IOUT_OC_FAULT_LIMIT IOUT_OC_FAULT_RESPONSE OT_WARN_LIMIT VIN_OV_WARN_LIMIT VIN_UV_WARN_LIMIT STATUS_BYTE STATUS_WORD STATUS_VOUT STATUS_IOUT STATUS_INPUT STATUS_TEMPERATURE STATUS_CML STATUS_MFR_SPECIFIC READ_VIN READ_VOUT READ_IOUT READ_TEMPERATURE_1 PMBUS_REVISION IC_DEVICE_ID IC_DEVICE_REV MFR_MARGIN MFR_READ_VBIAS MFR_BIAS_OV_WARN_LIMIT MFR_BIAS_UV_WARN_LIMIT MFR_IOUT_MIN_WARN_LIMIT MFR_SPECIAL_ID MFR_DEFAULT_CONFIG MFR_RAIL_ADDRESS MFR_RESET Typical Application Circuits Outline Dimensions Ordering Guide Evaluation Boards Related Parts