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TI LM53602AMPWPR product image
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TI LM53602AMPWPRRoHS

Manufacturer
TI
MPN
LM53602AMPWPR
LCSC Part #
C2072665
Packaging
HTSSOP-16-EP
Customer #
Key Attributes
3.5V to 36V wide VIn, 2.1MHz synchronous step-down converter
Datasheetpdf iconTI LM53602AMPWPR
In-Stock: 37
37 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 3.3492$ 3.35
10+$ 3.2697$ 32.70
30+$ 3.2161$ 96.48
100+$ 3.1642$ 316.42
Standard Packaging2000/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℃~+150℃@(TJ)
Frequency - Switching1.85MHz~2.35MHz
FunctionStep-down type
Number of Outputs1
FeaturesOvercurrent Protection;Hiccup current limiting;Cycle-by-cycle current limiting;Frequency synchronization;Light load efficient mode;Operating status indication
Output TypeAdjustable
TopologyBuck
Operating Voltage3.5V~36V
Switch tube (built-in/external)Built-in
Output Current2A
Output Voltage3.3V~10V
Quiescent Current8uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2000
Sales UnitPiece

Introduction

AI Translation

The LM53603 and LM53602 step-down regulators are designed for 12V industrial and automotive applications, delivering 3.3V/3A or 10V/2A output from input voltages up to 36V. With input voltages up to 20V, the devices utilize advanced high-speed circuitry to regulate while providing a 5V output at a 2.1MHz switching frequency. The innovative architecture enables a regulated 3.3V output even with an input voltage as low as 3.5V. The input voltage rating of up to 36V with a maximum transient voltage tolerance of 42V simplifies input surge protection design. The open-drain reset output with filtering and delay provides accurate system status indication, eliminating the need for additional supervisory components and saving cost and board space. The device seamlessly transitions between PWM and PFM modes, with a no-load operating current of only 24μA, ensuring high efficiency and excellent transient response across all load conditions.

Features

AI Translation
  • 3A or 2A maximum load current
  • Input voltage range: 3.5V to 36V, transient voltage up to 42V
  • Adjustable output voltage range: 3.3V to 10V
  • 2.1MHz fixed switching frequency
  • ±2% output voltage tolerance
  • Junction temperature range: -40°C to 150°C
  • 1.7μA shutdown current (typical)
  • 24μA input supply current at no load (typical)
  • Reset output with filtering and delay
  • Automatic light-load mode for improved efficiency
  • User-selectable forced PWM (FPWM) mode
  • Integrated loop compensation, soft-start, current limiting, thermal shutdown, UVLO, and external frequency synchronization
  • Thermally enhanced 16-pin package: 5500m×4.400m×1mm

Applications

AI Translation
  • Industrial power supplies for building and factory automation
  • Battery-powered devices
  • Low-noise and low-EMI applications
  • Fiber optic communication systems