LM3475 Series

10-V, hysteretic PFET buck controller

Catalog

10-V, hysteretic PFET buck controller

Part	Output Type	Mounting Type	Function	Package / Case	Output Configuration	Number of Outputs	Control Features	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	Output Phases	Topology	Duty Cycle (Max) [Max]	Utilized IC / Part	Voltage - Output	Supplied Contents	Voltage - Input [Min]	Voltage - Input [Max]	Main Purpose	Regulator Topology	Outputs and Type	Outputs and Type	Board Type	Current - Output
Texas Instruments LM3475MFX	Transistor Driver	Surface Mount	Step-Down	SC-74A SOT-753	Positive	1	Enable	2.7 V	10 V	-40 °C	125 ¯C	SOT-23-5	1	Buck	100 %
Texas Instruments LM3475MF/NOPB	Transistor Driver	Surface Mount	Step-Down	SC-74A SOT-753	Positive	1	Enable	2.7 V	10 V	-40 °C	125 ¯C	SOT-23-5	1	Buck	100 %
Texas Instruments LM3475MFX/NOPB	Transistor Driver	Surface Mount	Step-Down	SC-74A SOT-753	Positive	1	Enable	2.7 V	10 V	-40 °C	125 ¯C	SOT-23-5	1	Buck	100 %
Texas Instruments LM3475MF	Transistor Driver	Surface Mount	Step-Down	SC-74A SOT-753	Positive	1	Enable	2.7 V	10 V	-40 °C	125 ¯C	SOT-23-5	1	Buck	100 %
Texas Instruments LM3475EVAL																LM3475	2.5 V	Board(s)	2.7 V	10 V	DC/DC Step Down	Buck	Non-Isolated	1	Fully Populated	2 A

Catalog

10-V, hysteretic PFET buck controller

Key Features

• Easy-to-Use Control Methodology0.8 V to VINAdjustable Output RangeHigh Efficiency (90% Typical)±0.9% (±1.5% Over Temperature) FeedbackVoltage100% Duty Cycle CapableMaximum Operating Frequency up to 2 MHzInternal Soft-StartEnable PinEasy-to-Use Control Methodology0.8 V to VINAdjustable Output RangeHigh Efficiency (90% Typical)±0.9% (±1.5% Over Temperature) FeedbackVoltage100% Duty Cycle CapableMaximum Operating Frequency up to 2 MHzInternal Soft-StartEnable Pin

Description

The LM3475 is a hysteretic P-FET buck controller designed to support a wide range of high efficiency applications in a very small SOT-23-5 package. The hysteretic control scheme has several advantages, including simple system design with no external compensation, stable operation with a wide range of components, and extremely fast transient response. Hysteretic control also provides high efficiency operation, even at light loads. The PFET architecture allows for low component count as well as 100% duty cycle and ultra-low dropout operation. The LM3475 is a hysteretic P-FET buck controller designed to support a wide range of high efficiency applications in a very small SOT-23-5 package. The hysteretic control scheme has several advantages, including simple system design with no external compensation, stable operation with a wide range of components, and extremely fast transient response. Hysteretic control also provides high efficiency operation, even at light loads. The PFET architecture allows for low component count as well as 100% duty cycle and ultra-low dropout operation.