Datasheet

LM3404, LM3404HV
SNVS465F –OCTOBER 2006–REVISED MAY 2013 www.ti.com
LM3404/LM3404HV
(1)
(continued)
Symbol Parameter Conditions Min Typ Max Units
MOSFET AND DRIVER
R
DS-ON
Buck Switch On Resistance I
SW
= 200mA, BST-SW = 6.3V 0.37 0.75 Ω
V
DR-UVLO
BST Under-voltage Lock-out Threshold BST–SW Increasing 1.7 3 4 V
V
DR-HYS
BST Under-voltage Lock-out Hysteresis BST–SW Decreasing 400 mV
THERMAL SHUTDOWN
T
SD
Thermal Shutdown Threshold 165 °C
T
SD-HYS
Thermal Shutdown Hysteresis 25 °C
THERMAL RESISTANCE
SOIC-8 Package 155
θ
JA
Junction to Ambient °C/W
So PowerPAD-8 Package
(2)
50
(2) θ
JA
of 50°C/W with DAP soldered to a minimum of 2 square inches of 1oz. copper on the top or bottom PCB layer.
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