Datasheet

LM3402, LM3402HV
SNVS450E –SEPTEMBER 2006–REVISED MAY 2013 www.ti.com
ELECTRICAL CHARACTERISTICS LM3402/LM3402HV (continued)
Symbol Parameter Conditions Min Typ Max Units
N-MOSFET AND DRIVER
R
DS-ON
Buck Switch On Resistance I
SW
= 200mA, BOOT-SW = 6.3V 0.7 1.5 Ω
V
DR-UVLO
BOOT Under-voltage Lock-out Threshold BOOT–SW Increasing 1.7 3 4 V
V
DR-HYS
BOOT Under-voltage Lock-out Hysteresis BOOT–SW Decreasing 400 mV
THERMAL SHUTDOWN
T
SD
Thermal Shutdown Threshold 165 °C
T
SD-HYS
Thermal Shutdown Hysteresis 25 °C
THERMAL RESISTANCE
θ
JA
Junction to Ambient VSSOP-8 Package 200 °C/W
SO PowerPAD-8 Package 50
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