LM5118MH - TI

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

Part No

LM5118MH
Manufacturer

TI
ChipWorker Part#

CW52022186
Category

DC to DC Converter
Package

HTSSOP
Description

DC-DC Controller, 4.75V to 14V, 1 Output, Buck-Boost, 575kHz, HTSSOP-20
Documentation

Datasheet

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LM5118MH Specifications

Attribute	Attribute Value

Part Number	LM5118MH
Manufacturer	TI
ChipWorker Part#	CW52022186
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	HTSSOP
Frequency	500 kHz
Supply Voltage (DC)	4.75V (min)
Number of Outputs	1 Output
Output Voltage	1.23V ~ 70V
Output Current	2.70 A
Number of Channels	1 Channel
Number of Positions	20 Position
Switching Frequency	575 kHz
Duty Cycle	80 %
Input Voltage (Max)	75 V
Input Voltage (Min)	3 V
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	14 V
Supply Voltage (Min)	4.75 V
Input Voltage	3.75 V
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Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	Non-Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The LM5118MH is a wide voltage range Buck-Boost Switching Regulator Controller features all of the functions necessary to implement a high performance, cost efficient Buck-Boost regulator using a minimum of external components. The Buck-Boost topology maintains output voltage regulation when the input voltage is either less than or greater than the output voltage. It operates as a buck regulator while the input voltage is sufficiently greater than the regulated output voltage and gradually transitions to the buck-boost mode as the input voltage approaches the output. This dual mode approach maintains regulation over a wide range of input voltages with optimal conversion efficiency in the buck mode and a glitch-free output during mode transitions. This easy-to-use controller includes drivers for the high side buck MOSFET and the low side boost MOSFET. The regulators control method is based upon current mode control utilizing an emulated current ramp.
Ultra-wide input voltage range from 3 to 75V
Emulated peak current mode control
Smooth transition between step-down and step-up modes
Switching frequency programmable to 500kHz
Oscillator synchronization capability
Internal high voltage bias regulator
Integrated high-side and low-side gate drivers
Programmable soft-start time
Ultralow shutdown current
Enable input wide bandwidth error amplifier
1.5% Feedback reference accuracy
Current limit, thermal shutdown and an enable input
Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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