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TI LM46002PWPT product image
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TI LM46002PWPTRoHS

Manufacturer
TI
MPN
LM46002PWPT
LCSC Part #
C2070681
Packaging
HTSSOP-16-EP
Customer #
Key Attributes
2.2MHz Step-down type Adjustable 2A 1V~28V HTSSOP-16-EP Voltage Regulators - DC DC Switching Regulators RoHS
Datasheetpdf iconTI LM46002PWPT
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QtyUnit Price(Reference Only)Total Amount
1+$ 1.2048$ 1.20
10+$ 0.9986$ 9.99
30+$ 0.8863$ 26.59
250+$ 0.7586$ 189.65
500+$ 0.7017$ 350.85
1,000+$ 0.6771$ 677.10
Standard Packaging250/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
PackagingHTSSOP-16-EP
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching2.2MHz
FunctionStep-down type
Number of Outputs1
FeaturesLight load efficient mode;Frequency synchronization;Operating status indication;Adjustable soft-start;Output voltage tracking;Cycle-by-cycle current limiting;Hiccup current limiting;Built-in LDO regulator
Output TypeAdjustable
TopologyBuck
Operating Voltage3.5V~60V
Switch tube (built-in/external)Built-in
Output Current2A
Output Voltage1V~28V
Quiescent Current-
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging250
Sales UnitPiece

Introduction

AI Translation

The LM46002 regulator is an easy-to-use synchronous step-down DC/DC converter capable of driving load currents up to 2A with an input voltage range of 3.5V to 60V. The LM46002 delivers excellent efficiency, output accuracy, and dropout voltage in a very compact solution size. Peak current mode control is employed for simplified control loop compensation and cycle-by-cycle current limiting. Optional features include programmable switching frequency, synchronization, power-good flag, precision enable, internal soft-start, adjustable soft-start and tracking, providing a flexible and easy-to-use platform for a wide range of applications. Discontinuous conduction mode and automatic frequency reduction at light loads improve light-load efficiency. The device family requires minimal external components. The pin arrangement simplifies and optimizes PCB layout and routing. Protection features include thermal shutdown, VCC undervoltage lockout, cycle-by-cycle current limiting, and output short-circuit protection.

Features

AI Translation
  • Regulator quiescent current 27μA
  • High efficiency under light load (DCM and PFM)
  • Compliant with EN55022/CISPR 22 EMI standards
  • Integrated synchronous rectification
  • Adjustable frequency range: 200kHz to 2.2MHz (default 500kHz)
  • Synchronization to external clock frequency
  • Internal compensation
  • Stable with most capacitor combinations including ceramic, polymer, tantalum, and aluminum capacitors
  • Power good flag
  • Soft-start into pre-biased loads
  • Internal soft-start: 4.1ms
  • Soft-start extendable via external capacitor
  • Output voltage tracking
  • System UVLO programmable via precision enable
  • Output short-circuit protection with hiccup mode
  • Thermal shutdown protection
  • Create custom designs using LM46002 with WEBENCH Power Designer

Applications

AI Translation
  • Industrial power supplies
  • Telecom systems
  • Automotive applications below AM band
  • Commercial vehicle power supplies
  • General-purpose wide input voltage regulation
  • High-efficiency point-of-load regulation