LP8731 Series
Dual high-current step-down DC/DC & dual linear reg with I²C interface
Manufacturer: Texas Instruments
Catalog(1 parts)
| Part | Main Purpose | Frequency - Switching▲▼ | Outputs and Type | Outputs and Type▲▼ | Board Type | Supplied Contents | Utilized IC / Part | Voltage - Input▲▼ | Voltage - Input▲▼ |
|---|---|---|---|---|---|---|---|---|---|
Texas Instruments LP8731YZREVMLP8731-Q1 - DC/DC, Step Down with LDO 4, Non-Isolated Outputs Evaluation Board | DC/DC, Step Down with LDO | 2100000 Hz | Non-Isolated | 4 ul | Fully Populated | Board(s) | LP8731-Q1 | 2.799999952316284 V | 5.5 V |
Key Features
• Two LDOs for Powering Internal Processor Functions and I/OsHigh-Speed Serial Interface for Independent Control of DeviceFunctions and SettingsPrecision Internal ReferenceThermal Overload ProtectionCurrent Overload ProtectionSoftware Programmable RegulatorsExternal Power-On-Reset Function for Buck1 and Buck2(Power Good with Delay Function)Undervoltage Lockout (UVLO)LP8731-Q1 is an Automotive-Grade Product: AECQ-100Grade-1 QualifiedStep-Down DC/DC Converter (2xBuck)Programmable VOUTfrom:Buck1 : 0.8875 V – 1.675 V at 1.2 ABuck2 : 0.8875 V – 1.675 V at 1.2 AUp to 96% EfficiencyPWM Switching Frequency of 2.1 MHz±2% Output Voltage AccuracyAutomatic Soft StartLinear Regulators (2xLDO)Programmable VOUTof 0.8 V to 3.3 V±3% Output Voltage Accuracy300-mA Output Current30-mV (Typical) DropoutTwo LDOs for Powering Internal Processor Functions and I/OsHigh-Speed Serial Interface for Independent Control of DeviceFunctions and SettingsPrecision Internal ReferenceThermal Overload ProtectionCurrent Overload ProtectionSoftware Programmable RegulatorsExternal Power-On-Reset Function for Buck1 and Buck2(Power Good with Delay Function)Undervoltage Lockout (UVLO)LP8731-Q1 is an Automotive-Grade Product: AECQ-100Grade-1 QualifiedStep-Down DC/DC Converter (2xBuck)Programmable VOUTfrom:Buck1 : 0.8875 V – 1.675 V at 1.2 ABuck2 : 0.8875 V – 1.675 V at 1.2 AUp to 96% EfficiencyPWM Switching Frequency of 2.1 MHz±2% Output Voltage AccuracyAutomatic Soft StartLinear Regulators (2xLDO)Programmable VOUTof 0.8 V to 3.3 V±3% Output Voltage Accuracy300-mA Output Current30-mV (Typical) Dropout
Description
AI
The LP8731-Q1 is a multi-function, programmable Power Management Unit (PMU), optimized for low power FPGAs, microprocessors, and DSPs. This device integrates two highly efficient 1.2-A step-down DC-DC converters with dynamic voltage management (DVM), two 300-mA linear regulators, and a 400-kHz I2C-compatible interface to allow a host controller access to the internal control registers of the LP8731-Q1. The LP8731-Q1 device additionally features programmable power-on sequencing.
The LP8731-Q1 is a multi-function, programmable Power Management Unit (PMU), optimized for low power FPGAs, microprocessors, and DSPs. This device integrates two highly efficient 1.2-A step-down DC-DC converters with dynamic voltage management (DVM), two 300-mA linear regulators, and a 400-kHz I2C-compatible interface to allow a host controller access to the internal control registers of the LP8731-Q1. The LP8731-Q1 device additionally features programmable power-on sequencing.