Figure2. Pin Configuration of …

XL6009E1

Voltage Regulators - DC DC Switching RegulatorsTO263-5L

IC REG BUCK/BOOST 400KHZ 60V 4A TO263-5L

XL6009E1 is a wide input range (5V-32V), 400KHz switching frequency DC-DC boost/flyback/SEPIC converter with built-in 60V/4A N-MOSFET, TO263-5L package, supporting positive/negative output voltages with overvoltage, overcurrent, and thermal protection.Checked against the datasheet

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Technical parameters

Key specs

Input voltage5 ~ 32 V

Output current4 ATyp · Typ: 4 A (V_FB=0)

Switching frequency320 ~ 480 kHz

Datasheet-verified parameters

19 items

Parameter	Value and test conditions	Source
Input Voltage Range	5 to 32 V
Oscillator Frequency	Min: 320 kHz, Typ: 400 kHz, Max: 480 kHz
Switch Current Limit	Typ: 4 A (V_FB=0)
Package	TO263-5L
Operating Junction Temperature	-40 to 125 °C
RoHS Compliant	Yes (E1 suffix)
Feedback Voltage	Min: 1.213 V, Typ: 1.25 V, Max: 1.287 V (Vin=12V to 16V, Vout=18V, Iload=0.1A to 2A)
Quiescent Supply Current	Typ: 2.5 mA, Max: 5 mA (V_EN=2V, V_FB=Vin)
Shutdown Supply Current	Typ: 70 uA, Max: 100 uA (V_EN=0V)
Output Power NMOS Rdson	Typ: 110 mohm, Max: 120 mohm (Vin=12V, I_SW=4A)
EN Pin Threshold High	Typ: 1.4 V
EN Pin Threshold Low	Typ: 0.8 V
Max. Duty Cycle	Typ: 90 % (V_FB=0V)
Absolute Maximum Input Voltage	-0.3 to 36 V
Absolute Maximum Output Switch Pin Voltage	-0.3 to 60 V
Storage Temperature	-65 to 150 °C
Thermal Resistance	30 °C/W (Junction to Ambient, No Heatsink, Free Air)
ESD (HBM)	>2000 V
Efficiency	Typ: 92 % (Vin=12V, Vout=18.5V, Iout=2A)

All parameters (6)ExpandCollapse

Power
Input operation voltage	5 V (Typ) to 32 V (Max)
Output Power NMOS Rdson	110 mohm (Typ)
Switch Current Limit	4 A (Typ)
AC and DC characteristics
Oscillator Frequency	400 Khz (Typ)
Environment and package
Operating Junction Temperature	-40 to 125 °C
Package	TO263-5L

Pinout and package

Pin	Name	Function	Source
1		GND, Ground Pin
2		EN, Enable Pin. Drive low to turn off, high to turn on. Floating is default high.
3		SW, Power Switch Output Pin
4		VIN, Supply Voltage Input Pin. Operates from 5V to 32V DC.
5		FB, Feedback Pin. Senses output voltage via external resistor divider, threshold 1.25V.

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DatasheetDatasheet · 174.3 KB · 2026-10-29

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