LM5175PWPT - TI

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

Part No

LM5175PWPT
Manufacturer

TI
ChipWorker Part#

CW11390665
Category

DC to DC Converter
Package

HTSSOP-28
Description

DC-DC Controller, Current Mode, 3.5V to 42V, 1 Output, Synchronous Buck-Boost, 500kHz, HTSSOP-28
Documentation

Datasheet

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LM5175PWPT Specifications

Attribute	Attribute Value

Part Number	LM5175PWPT
Manufacturer	TI
ChipWorker Part#	CW11390665
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	HTSSOP-28
Supply Voltage (DC)	3.50V (min)
Number of Outputs	1 Output
Output Voltage	0.8V ~ 55V
Output Current	1.8 A
Number of Positions	28 Position
Quiescent Current	1.65 mA
Number of Regulated Outputs	1 Output
Switching Frequency	500 kHz
Duty Cycle	50 %
Input Voltage (Max)	42 V
Input Voltage (Min)	3.5 V
Output Voltage (Max)	55 V
Output Voltage (Min)	0.8 V
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	42 V
Supply Voltage (Min)	3.5 V
Input Voltage	3.5V ~ 42V
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Size-Length	9.8 mm
Size-Width	4.5 mm
Size-Height	1.05 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The LM5175PWPT is a synchronous four-switch Buck-Boost DC/DC Controller, capable of regulating the output voltage at, above or below input voltage. It operates over a wide input voltage range of 3.5 to 42V (60V maximum) to support a variety of applications. It employs current-mode control both in buck and boost modes of operation for superior load and line regulation. The switching frequency is programmed by an external resistor and can be synchronized to an external clock signal. The device also features a programmable soft-start function and offers protection features including cycle-by-cycle current limiting, input under-voltage lockout (UVLO), output overvoltage protection (OVP) and thermal shutdown. In addition, it features selectable Continuous Conduction Mode (CCM) or Discontinuous Conduction Mode (DCM) operation, optional average input or output current limiting, optional spread spectrum to reduce peak EMI and optional hiccup mode protection in sustained overload conditions.
Single inductor buck-boost controller for step-up/step-down DC/DC conversion
3.5 to 42V, 60V Maximum wide VIN range
0.8 to 55V Flexible VOUT range
VOUT short protection
High efficiency buck-boost transition
Adjustable switching frequency
Optional frequency sync and dithering
Integrated 2A MOSFET gate drivers
Cycle-by-cycle current limit and optional hiccup
Optional input or output average current limiting
Programmable input UVLO and soft-start
Power good and output overvoltage protection
Selectable CCM or DCM with pulse skipping
Green product and no Sb/Br
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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