Ordering Information
Part Number
Lead Free
FACT
Lead Free
voltage
XX
Temperature
Package
Range
AMS2566-XX
AMS2566L-XX
TO263-5/TO252-5
TO220-5 (two lines, two pins back three front)
XLSEMI Pb-free products, as designated with “E1” suffix in the par number, are RoHS compliant.
Absolute Maximum Ratings（Note1）
Parameter
Symbol
Vin
Value
-0.3 to 27
Unit
V
Input Voltage
Feedback Pin Voltage
-0.3 to Vin
V
VFB
EN Pin Voltage
-0.3 to Vin
-0.3 to Vin
V
VEN
Output Switch Pin Voltage
Power Dissipation
V
VOutput
PD
Internally limited
mW
Thermal Resistance (TO263)
(Junction to Ambient, No Heatsink, Free Air)
Operating Junction Temperature
Storage Temperature
50
ºC/W
RJA
-40 to 125
-65 to 150
260
ºC
ºC
ºC
V
TJ
TSTG
TLEAD
Lead Temperature (Soldering, 10 sec)
ESD (HBM)
2000
Note1: Stresses greater than those listed under Maximum Ratings may cause permanent damage
to the device. This is a stress rating only and functional operation of the device at these or any
other conditions above those indicated in the operation is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect reliability.
4
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