Datasheet

LM5045
SNVS699G –FEBRUARY 2011–REVISED MARCH 2013 www.ti.com
Electrical Characteristics (continued)
Limits in standard typeface are for T
J
= 25°C only; limits in boldface type apply the junction temperature range of -40°C to
+125°C. Unless otherwise specified, the following conditions apply: VIN = 48V, RT = 25kΩ, RD1=RD2=20kΩ. No load on
HO1, HO2, LO1, LO2, SR1, SR2, COMP=0V, UVLO=2.5V, OVP=0V, SSOFF=0V.
Symbol Parameter Conditions Min Typ Max Units
Thermal Shutdown Hysteresis 25 °C
RJA Junction to Ambient
(1)
HTSSOP/WQFN 40 °C/W
RJC Junction to Case 4 °C/W
(1) 4 layer standard thermal test board. Cu thickness of layers (2oz, 1oz, 1oz, 2oz).
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