Datasheets
LM73605RNPR by: Texas Instruments

3.5V to 36V, 5A Synchronous Step-Down Voltage Converter 30-WQFN -40 to 125

Part Details for LM73605RNPR by Texas Instruments

Results Overview of LM73605RNPR by Texas Instruments

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

LM73605RNPR Information

LM73605RNPR by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for LM73605RNPR

Part # Distributor Description Stock Price Buy
DISTI # 296-49518-1-ND
DigiKey IC REG BUCK ADJ 5A 30WQFN Min Qty: 1 Lead time: 12 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 2823
In Stock
  • 1 $5.0900
  • 10 $3.8830
  • 25 $3.5808
  • 100 $3.2483
  • 250 $3.0897
  • 500 $2.9941
  • 1,000 $2.9154
  • 3,000 $2.8182
$2.8182 / $5.0900 Buy Now
DISTI # 595-LM73605RNPR
Mouser Electronics Switching Voltage Regulators 3.5V to 36V 5A Synch Step-Down VConverte A 595-LM73605RNPT RoHS: Compliant 4329
  • 1 $5.0900
  • 10 $3.8900
  • 25 $3.5900
  • 100 $3.2500
  • 250 $3.0900
  • 500 $3.0000
  • 1,000 $2.9200
  • 3,000 $2.8800
$2.8800 / $5.0900 Buy Now
LCSC Step-down type Adjustable 1V34.2V 5A 3.5V36V WQFN-30-EP(4x6) DC-DC Converters ROHS 217
  • 1 $2.1328
  • 10 $1.8133
  • 30 $1.6140
  • 100 $1.4102
  • 500 $1.3174
  • 1,000 $1.2778
$1.2778 / $2.1328 Buy Now
Win Source Electronics IC REG BUCK ADJUSTABLE 5A 30WQFN / LM73605/LM73606 3.5-V to 36-V, 5-A or 6-A Synchronous Step-Down Voltage Converter 48260
  • 19 $3.1335
  • 45 $2.5722
  • 70 $2.4913
  • 96 $2.4105
  • 124 $2.3308
  • 166 $2.0894
$2.0894 / $3.1335 Buy Now

Part Details for LM73605RNPR

LM73605RNPR CAD Models

LM73605RNPR Part Data Attributes

LM73605RNPR Texas Instruments
Buy Now Datasheet
Compare Parts:
LM73605RNPR Texas Instruments 3.5V to 36V, 5A Synchronous Step-Down Voltage Converter 30-WQFN -40 to 125
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Package Description WQFN-30
Reach Compliance Code compliant
Samacsys Manufacturer Texas Instruments
Additional Feature ALSO VOUT=5 VOLT;PFM TECHNIQUE ALSO USED
Analog IC - Other Type SWITCHING REGULATOR
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 36 V
Input Voltage-Min 3.5 V
Input Voltage-Nom 12 V
JESD-30 Code R-PQCC-N30
JESD-609 Code e3
Length 6 mm
Moisture Sensitivity Level 2
Number of Functions 1
Number of Outputs 1
Number of Terminals 30
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 5 A
Output Voltage-Max 34 V
Output Voltage-Min 1 V
Output Voltage-Nom 3.3 V
Package Body Material PLASTIC/EPOXY
Package Code HVQCCN
Package Shape RECTANGULAR
Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Seated Height-Max 0.8 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 2200 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn)
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 4 mm

Alternate Parts for LM73605RNPR

This table gives cross-reference parts and alternative options found for LM73605RNPR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM73605RNPR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LMR14020QDPRRQ1 Texas Instruments $1.5260 SIMPLE SWITCHER® Automotive 40-V, 2-A, 2.2-MHz step-down converter with 40-uA IQ 10-WSON -40 to 125 LM73605RNPR vs LMR14020QDPRRQ1
LMR14020SQDPRRQ1 Texas Instruments $1.5260 SIMPLE SWITCHER® Automotive 40-V, 2-A, 2.2-MHz step-down converter with 40-uA IQ 10-WSON -40 to 125 LM73605RNPR vs LMR14020SQDPRRQ1
LMR14020SQDPRTQ1 Texas Instruments $2.4216 SIMPLE SWITCHER® Automotive 40-V, 2-A, 2.2-MHz step-down converter with 40-uA IQ 10-WSON -40 to 125 LM73605RNPR vs LMR14020SQDPRTQ1
LM73605RNPT Texas Instruments $3.6100 3.5V to 36V, 5A Synchronous Step-Down Voltage Converter 30-WQFN -40 to 125 LM73605RNPR vs LM73605RNPT
LM73605QRNPTQ1 Texas Instruments $4.1735 Automotive qualified 3.5-V to 36-V, 5-A synchronous step-down voltage converter 30-WQFN -40 to 125 LM73605RNPR vs LM73605QRNPTQ1
LT3504EUFD#PBF Analog Devices Inc $5.5800 Quad 40V/1A Step-Down Switching Regulator with 100% Duty Cycle Operation LM73605RNPR vs LT3504EUFD#PBF
LM73605QRNPRQ1 Texas Instruments Check for Price Automotive qualified 3.5-V to 36-V, 5-A synchronous step-down voltage converter 30-WQFN -40 to 125 LM73605RNPR vs LM73605QRNPRQ1
MP4559DQ-LF-Z Monolithic Power Systems Check for Price Switching Regulator, Current-mode, 4.7A, 2000kHz Switching Freq-Max, PDSO10, 3 X 3 MM, ROHS COMPLIANT, MO-229VEED-5, QFN-10 LM73605RNPR vs MP4559DQ-LF-Z
MP4559DN Monolithic Power Systems Check for Price Switching Regulator, Current-mode, 4.7A, 2000kHz Switching Freq-Max, PDSO8, MS-012BA, SOIC-8 LM73605RNPR vs MP4559DN
MP4559DN-LF-Z Monolithic Power Systems Check for Price Switching Regulator, Current-mode, 4.7A, 2000kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MS-012BA, SOIC-8 LM73605RNPR vs MP4559DN-LF-Z

LM73605RNPR Related Parts

LM73605RNPR Frequently Asked Questions (FAQ)

  • The LM73605RNPR can handle a maximum input voltage of 42V, but it's recommended to operate within the specified input voltage range of 6.5V to 36V for optimal performance.

  • To ensure stability, it's essential to follow the recommended layout and component selection guidelines, including the use of a suitable output capacitor and a low-ESR input capacitor. Additionally, ensure that the input voltage is within the specified range and the output current is within the recommended limits.

  • The LM73605RNPR can deliver a maximum output current of 5A, but it's recommended to operate within the specified output current range of 0.5A to 3A for optimal performance and reliability.

  • The output voltage of the LM73605RNPR can be adjusted by using an external resistor divider network connected to the FB (feedback) pin. The output voltage can be calculated using the formula: Vout = 0.8V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.

  • The EN (enable) pin is used to enable or disable the regulator. When the EN pin is pulled high (above 1.4V), the regulator is enabled, and when it's pulled low (below 0.4V), the regulator is disabled. This pin can be used to implement power sequencing or to shut down the regulator when not in use.

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