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XL1507A-5.0E1

XLSEMI · DC-DC Converters · TO-252-5L

XL1507A-5.0E1 from XLSEMI, in a TO-252-5L. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Power input pin supporting a wide 4.5V to 50V operating range; an electrolytic capacitor must be connected in parallel between VIN and GND to suppress noise.
2 SW output Power switch output pin and the switching node that carries the output power.
3 GND power_in Ground pin.
4 FB input Feedback pin that senses the output voltage through an external resistor divider to regulate it; the reference voltage for the adjustable version is 1.23V.
5 EN input Enable pin, active low: low enables the device, high shuts it down, and it is low when left floating.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer XLSEMI
Package TO-252-5L
Category Power Management (PMIC)
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output voltage VOUT 4.925 5 5.075 V VIN=12V, IOUT=0.5A 4
Input operating voltage VIN 4.5 50 V 5
Shutdown current IS 46 100 uA VEN=2V 5
Quiescent supply current IQ 1.3 2 mA VFB=10V 5
Oscillation frequency FOSC 135 150 165 KHz 5
Switch current limit IL 3.4 A VFB=0V 5
EN pin threshold voltage, high level (shutdown) VEN_H 1.4 V 高电平(关断) 5
EN pin threshold voltage, low level (on) VEN_L 0.8 V 低电平(开启) 5
EN pin current IEN 5 uA VEN=2.0V 5
Saturation voltage VCE 1.1 1.3 V VFB=0V, IOUT=2A 5
Maximum duty cycle DMAX 100 % VFB=0V 5
Thermal shutdown temperature TSD 180 ℃ 5
Thermal shutdown hysteresis TD 50 ℃ 5
Input voltage (absolute maximum) VIN -0.3 60 V 3
Feedback pin voltage (absolute maximum) VFB -0.3 20 V 3
Enable pin voltage (absolute maximum) VEN -0.3 7 V 3
Switch pin voltage (absolute maximum) VSW -0.3 V 3
Thermal resistance junction to ambient (TO252-5L) RJA 50 °C/W Junction to ambient, no external heatsink 3
Operating junction temperature TJ -40 150 °C 3
Storage temperature range TSTG -65 150 °C 3
Lead temperature (soldering) TLEAD 260 °C Soldering, 10 s 3
ESD (HBM) ESD 8000 V HBM; datasheet prints '>8000' 3
Ambient operating temperature (temperature grade 1) TA -40 125 ℃ Temperature grade 1, from features list 1

CAD (KiCad official)

  • Symbol: XL1507A-5.0E1
  • Footprint: Package_TO_SOT_SMD:TO-252-5_TabPin6
  • 3D model: TO-252-5L (KiCad packages3D, STEP)
  • 3D model files: xl1507a-5-0e1-etched.step / xl1507a-5-0e1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xl1507a-5-0e1.step / xl1507a-5-0e1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: XLSEMI datasheet (15 pp, sha256 d4d5e57617bcfb2a, retrieved 2026-10-17, tier: manufacturer)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF