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TDSEMIC XL1509-3.3-TD product image
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TDSEMIC XL1509-3.3-TDRoHS

Manufacturer
TDSEMICAsian Brands
MPN
XL1509-3.3-TD
LCSC Part #
C52195488
Packaging
SOIC-8
Customer #
Key Attributes
127kHz~173kHz Step-down type Fixed 3.3V 3A SOIC-8 Voltage Regulators - DC DC Switching Regulators RoHS
Datasheetpdf iconTDSEMIC XL1509-3.3-TD
In-Stock: 2,805
2,805 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
5+$ 0.2175$ 1.09
50+$ 0.1715$ 8.58
150+$ 0.1518$ 22.77
500+$ 0.1271$ 63.55
3,000+$ 0.1162$ 348.60
6,000+$ 0.1096$ 657.60
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
ManufacturerTDSEMIC
PackagingSOIC-8
Operating Temperature-40℃~+125℃
Number of Outputs1
Frequency - Switching127kHz~173kHz
FunctionStep-down type
FeaturesOvercurrent Protection
Output TypeFixed
TopologyBuck
Operating Voltage4.5V~40V
Switch tube (built-in/external)Built-in
Output Voltage3.3V
Output Current3A
Quiescent Current2mA
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

XL1509 is a high-efficiency step-down DC-DC converter operating at a fixed switching frequency of 150kHz, capable of delivering up to 2A output current with low ripple, excellent line regulation, and load regulation. The device integrates a fixed-frequency oscillator and frequency compensation circuitry, simplifying circuit design. The PWM control loop enables linear duty cycle adjustment from 0 to 100%. Built-in enable function and output overcurrent protection are included; when the secondary current limiting function is activated, the switching frequency is reduced from 150kHz to 50kHz. The internal compensation block helps minimize the external component count. XL1509-XX is available in ESOP8 and SOP8 packages.

Features

AI Translation
  • 4.5V to 40V wide input voltage range
  • Fixed output versions: 3.3V, 5V, 12V, and ADJ adjustable
  • Output voltage adjustable from 1.23V to 37V
  • 100% maximum duty cycle
  • 1.5V minimum dropout voltage
  • Fixed 150kHz switching frequency
  • 2A maximum switch current
  • Integrated power transistor
  • High efficiency
  • Excellent line and load regulation
  • TTL shutdown via EN pin
  • Hysteresis on EN pin
  • Built-in thermal shutdown
  • Built-in current limiting
  • Built-in secondary current limiting

Applications

AI Translation
  • LCD TVs and displays
  • Digital photo frames
  • Set-top boxes
  • Routers
  • Communication equipment power supply