LM5161QPWPTQ1 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LM5161QPWPTQ1
Manufacturer

TI
ChipWorker Part#

CW5442726
Category

DC to DC Converter
Package

HTSSOP-14
Description

Conv DC-DC 4.5V to 100V Synchronous Step Down Single-Out 2V to 92V 1A Automotive 14Pin HTSSOP EP T/R
Documentation

Datasheet

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LM5161QPWPTQ1 Specifications

Attribute	Attribute Value

Part Number	LM5161QPWPTQ1
Manufacturer	TI
ChipWorker Part#	CW5442726
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	HTSSOP-14
Number of Outputs	1 Output
Output Voltage	2V ~ 92V
Output Current	1 A
Number of Positions	14 Position
Switching Frequency	1 MHz
Switching Current	1.61 A
Input Voltage (Max)	100 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	92 V
Output Voltage (Min)	2 V
Output Current (Max)	1 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Min)	4.5 V
Input Voltage	4.5V ~ 100V
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Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status
REACH SVHC Compliance Edition	2016/06/20
ECCN Code	EAR99

Product Description

The LM5161-Q1 is a 100-V, 1-A synchronous step-down converter with integrated high-side and low-side MOSFETs. The 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 under-voltage lockout (EN/UVLO) circuit provides independently adjustable input undervoltage threshold and hysteresis. The FPWM input pin in LM5161-Q1 selects either the forced continuous conduction mode (CCM) under all load levels or the discontinuous conduction mode (DCM) under light or no load conditions. When operating in forced CCM, the LM5161-Q1 supports the multiple output and isolated Fly-Buck applications. When programmed for the DCM operation, the LM5161-Q1 provides a tightly regulated buck output without any additional external feedback ripple injection circuit.

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