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TI LM60440DRPKR product image
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TI LM60440DRPKRRoHS

Manufacturer
TI
MPN
LM60440DRPKR
LCSC Part #
C2860839
Packaging
WQFN-HR-13(2x3)
Customer #
Key Attributes
Ultra-small synchronous step-down converters with 3.8V to 36V input, 3A and 4A output
Datasheetpdf iconTI LM60440DRPKR
In-Stock: 168
168 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 2.7128$ 2.71
10+$ 2.335$ 23.35
30+$ 2.0983$ 62.95
100+$ 1.8551$ 185.51
500+$ 1.7448$ 872.40
1,000+$ 1.6978$ 1697.80
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingWQFN-HR-13(2x3)
Operating Temperature-40℃~+150℃@(TJ)
Frequency - Switching1MHz
FunctionStep-down type
Number of Outputs1
FeaturesCycle-by-cycle current limiting;Hiccup current limiting;Light load efficient mode;Built-in LDO regulator;Operating status indication
Output TypeAdjustable
TopologyBuck
Operating Voltage3.8V~36V
Switch tube (built-in/external)Built-in
Output Voltage1V~24V
Output Current4A
Quiescent Current24uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

The LM604x0 voltage regulator is a user-friendly synchronous step-down DC/DC converter that offers industry-leading efficiency and is suitable for demanding industrial applications. The LM60430 can drive a load current of up to 3A, while the LM60440 is an ultra-small 4A step-down converter in the industry. The LM604x0 uses an ultra-small WQFN package with wettable flanks and a standard QFN pin layout with a thermal pad to enhance thermal performance. This enhanced QFN package has extremely low parasitic inductance and resistance, enabling very high efficiency while minimizing switching node ringing and significantly reducing EMI. The LM604x0 employs peak current mode control and can automatically fold back the frequency at light loads to ensure excellent efficiency across the entire load range. With the optimized thermal performance of the QFN package, the lower power dissipation allows for a high-power-density solution in a smaller size. Additionally, this device requires very few external components and has a pin arrangement that simplifies PCB layout. The small solution size and feature set of the LM604x0 are designed to simplify the implementation of various end devices. This device also has a version compliant with the AEC - Q100 standard.

Features

AI Translation
  • Low EMI and switching noise
  • Compliant with CISPR22 Class 5
  • Enhanced QFN package minimizes parasitic inductance and switching node ringing
  • Standard QFN package: single large exposed pad with all pins distributed on package periphery
  • Pin-compatible variants: LM60440 (36V, 4A), LM60430 (36V, 3A)
  • Junction temperature range: -40°C to +150°C
  • Frequency: 400kHz, 1MHz
  • Output voltage range: 1V to 24V
  • High-efficiency power conversion across all load conditions
  • Peak efficiency > 95%
  • PFM efficiency of 90% at 10mA, 12VIN, 5VOUT
  • Operating quiescent current as low as 25μA
  • Functional safety support
  • Available documentation to assist functional safety system design

Applications

AI Translation
  • Industrial PCs and CPUs (PLC controllers)
  • Servo drive and AC drive control modules
  • Medical equipment and instrumentation applications