LM5160-Q1 Series

LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter

Catalog

LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter

Part	Function	Package / Case	Package / Case [y]	Package / Case [x]	Output Configuration	Voltage - Output (Min/Fixed) [Min]	Voltage - Input (Max) [Max]	Voltage - Input (Min) [Min]	Qualification	Grade	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Output (Max) [Max]	Current - Output	Output Type	Mounting Type	Number of Outputs	Supplier Device Package	Frequency - Switching	Frequency - Switching	Voltage - Output	Utilized IC / Part	Outputs and Type	Voltage - Input [Max]	Voltage - Input [Min]	Board Type	Main Purpose	Regulator Topology	Supplied Contents	Outputs and Type
Texas Instruments LM5160QPWPRQ1	Step-Down	14-PowerTSSOP	4.4 mm	0.173 in	Isolation Capable Positive	2 V	65 V	4.5 V	AEC-Q100	Automotive	150 °C	-40 °C	60 V	2 A	Adjustable	Surface Mount	1	14-HTSSOP	Adj to 1MHz
Texas Instruments LM5160DNTFBKEVM														2 A						300 kHz	8 V 12 V	LM5160	1 1	32 V	18 V	Fully Populated	DC/DC Step Down	Buck	Board(s)
Texas Instruments LM5160QPWPTQ1	Step-Down	14-PowerTSSOP	4.4 mm	0.173 in	Isolation Capable Positive	2 V	65 V	4.5 V	AEC-Q100	Automotive	150 °C	-40 °C	60 V	2 A	Adjustable	Surface Mount	1	14-HTSSOP	Adj to 1MHz
Texas Instruments LM5160DNTJ	Step-Down	12-WFDFN Exposed Pad			Isolation Capable Positive	2 V	65 V	4.5 V			125 ¯C	-40 °C	60 V	2 A	Adjustable	Surface Mount	1	12-WSON (4x4)	Adj to 1MHz
Texas Instruments LM5160ADNTT	Step-Down	12-WFDFN Exposed Pad			Isolation Capable Positive	2 V	65 V	4.5 V			125 ¯C	-40 °C	60 V	2 A	Adjustable	Surface Mount	1	12-WSON (4x4)	Adj to 1MHz
Texas Instruments LM5160ADNTJ	Step-Down	12-WFDFN Exposed Pad			Isolation Capable Positive	2 V	65 V	4.5 V			125 ¯C	-40 °C	60 V	2 A	Adjustable	Surface Mount	1	12-WSON (4x4)	Adj to 1MHz
Texas Instruments LM5160DNTBKEVM														2 A						300 kHz	5 V	LM5160	1	60 V	10 V	Fully Populated	DC/DC Step Down	Buck	Board(s)	Non-Isolated

Catalog

LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter

Key Features

• AEC-Q100 Qualified for Automotive ApplicationsTemperature Grade 1: –40°C ≤ TA≤ 125°CHBM ESD Classification Level 2CDM ESD Classification Level C5Wide 4.5-V to 65-V Input Voltage RangeIntegrated High-Side and Low-Side SwitchesNo External Schottky Diode Required2-A Maximum Load CurrentMeets CISPR 25 EMI StandardAdaptive Constant On-Time ControlNo External Loop CompensationFast Transient ResponseSelectable Forced PWM or DCM OperationFPWM Supports Multi-Output Fly-Buck™Nearly Constant Switching FrequencyResistor Adjustable up to 1 MHzProgrammable Soft-Start TimePrebiased Start-Up±1% Feedback Voltage ReferenceInherent Protection Features for Robust DesignPeak Current Limiting ProtectionAdjustable Input UVLO and HysteresisVCC and Gate Drive UVLO ProtectionThermal Shutdown Protection With Hysteresis14-Pin HTSSOP Package, 0.65-mm PitchCreate a Custom Design Using the LM5160-Q1 With theWEBENCH®Power DesignerAEC-Q100 Qualified for Automotive ApplicationsTemperature Grade 1: –40°C ≤ TA≤ 125°CHBM ESD Classification Level 2CDM ESD Classification Level C5Wide 4.5-V to 65-V Input Voltage RangeIntegrated High-Side and Low-Side SwitchesNo External Schottky Diode Required2-A Maximum Load CurrentMeets CISPR 25 EMI StandardAdaptive Constant On-Time ControlNo External Loop CompensationFast Transient ResponseSelectable Forced PWM or DCM OperationFPWM Supports Multi-Output Fly-Buck™Nearly Constant Switching FrequencyResistor Adjustable up to 1 MHzProgrammable Soft-Start TimePrebiased Start-Up±1% Feedback Voltage ReferenceInherent Protection Features for Robust DesignPeak Current Limiting ProtectionAdjustable Input UVLO and HysteresisVCC and Gate Drive UVLO ProtectionThermal Shutdown Protection With Hysteresis14-Pin HTSSOP Package, 0.65-mm PitchCreate a Custom Design Using the LM5160-Q1 With theWEBENCH®Power Designer

Description

The LM5160/A is a 65-V, 2-A synchronous step-down converter with integrated high-side and low-side MOSFETs. The adaptive constant on-time control scheme requires no loop compensation and supports high step-down ratios with fast transient response. An internal feedback amplifier maintains ±1% output voltage regulation over the entire operating temperature range. The on-time varies inversely with input voltage resulting in nearly constant switching frequency. Peak and valley current limit circuits protect against overload conditions. The undervoltage lockout (EN/UVLO) circuit provides independently adjustable input undervoltage threshold and hysteresis. The LM5160/A is programmed through the FPWM pin to operate in continuous conduction mode (CCM) from no load to full load or to automatically switch to discontinuous conduction mode (DCM) at light load for higher efficiency. Forced CCM operation supports multiple-output and isolated Fly-Buck applications using a coupled inductor. The LM5160A shares the same features and pin configuration as the LM5160. An external bias supply can be connected to the VCC pin of the LM5160A in Buck and Fly-Buck applications. This additional capability lowers IC power dissipation and improves efficiency at high input voltages. The LM5160/A is a 65-V, 2-A synchronous step-down converter with integrated high-side and low-side MOSFETs. The adaptive constant on-time control scheme requires no loop compensation and supports high step-down ratios with fast transient response. An internal feedback amplifier maintains ±1% output voltage regulation over the entire operating temperature range. The on-time varies inversely with input voltage resulting in nearly constant switching frequency. Peak and valley current limit circuits protect against overload conditions. The undervoltage lockout (EN/UVLO) circuit provides independently adjustable input undervoltage threshold and hysteresis. The LM5160/A is programmed through the FPWM pin to operate in continuous conduction mode (CCM) from no load to full load or to automatically switch to discontinuous conduction mode (DCM) at light load for higher efficiency. Forced CCM operation supports multiple-output and isolated Fly-Buck applications using a coupled inductor. The LM5160A shares the same features and pin configuration as the LM5160. An external bias supply can be connected to the VCC pin of the LM5160A in Buck and Fly-Buck applications. This additional capability lowers IC power dissipation and improves efficiency at high input voltages.