Datasheet AL3644 (Diodes) - 4

AL3644 Absolute Maximum Ratings
(@TA = +25°C, unless otherwise specified.) (Note 4)
Symbol Parameter Rating Unit
VIN, VSW, VOUT, VLED1, VLED2 Voltage at Input Pins -0.3 to 6 V -0.3 to the Lesser of VSDA, VSCL, VTX, VTORCH/TEMP, VHWEN, VSTROBE VOUT and SW Pin Voltage V (VIN+0.3)V/ 6V θ Junction-to-Ambient Thermal Resistance JA 201.5 °C/W (Note 5) θ Junction-to-Case Thermal Resistance JC 46.6 °C/W

(Note 5)
T
TJ Operating Junction Temperature +150 °C
C
TSTG Storage Temperature

-65 to +150 °C
U
HBM 2000 V ESD
D
CDM 1500 V
O R
Notes: 4. Stresses greater than those listed under “Absolute Maximum Ratings” can cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied.
P
Exposure to “Absolute Maximum Ratings” for extended periods can affect device reliability.
W
5. Device mounted on FR-4 substrate PC board (1"x1"), with minimum recommended pad layout.
E N Recommended Operating Conditions
(@TA = +25°C, unless otherwise specified.)
Symbol Parameter Min Max Unit
VIN Input Voltage 2.5 5.0 V TA Operating Ambient Temperature -40 +85 °C TJ Operating Junction Temperature -40 +125 °C AL3644 4 of 23 July 2019 Document number: DS41558 Rev. 1 - 2
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