Datasheet
TPS3831
TPS3839
www.ti.com
SBVS193B –JUNE 2012–REVISED APRIL 2013
THERMAL INFORMATION
TPS3831
TPS3839
TPS3839
THERMAL METRIC
(1)
UNITS
DBZ (SOT23-3) DQN (X2SON)
3 PINS 4 PINS
θ
JA
Junction-to-ambient thermal resistance 286.9 249.9
θ
JCtop
Junction-to-case (top) thermal resistance 105.6 N/A
θ
JB
Junction-to-board thermal resistance 123.4 N/A
°C/W
ψ
JT
Junction-to-top characterization parameter 25.8 6.0
ψ
JB
Junction-to-board characterization parameter 107.9 N/A
θ
JCbot
Junction-to-case (bottom) thermal resistance N/A N/A
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
ELECTRICAL CHARACTERISTICS
At T
A
= –40°C to +85°C, 0.9 V < V
DD
< 6.5 V, and C1 = 0.1 µF, unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
Input supply voltage range 0.9 6.5 V
V
(VO)
Minimum V
DD
voltage for valid output I
OL
= 1 µA 0.6 V
I
DD
Supply current (into VDD pin) Output not connected 150 500 nA
V
DD
= 0.9 V to 1.2 V, I
OL
= 120 µA 0.4 V
V
OL
Low-level output voltage (RESET pin) V
DD
= 1.2 V to 2.8 V, I
OL
= 0.5 mA 0.4 V
V
DD
= 2.8 V to 6.5 V, I
OL
= 2 mA 0.4 V
V
DD
= 0.9 V to 1.2 V, I
OH
= –50 µA V
DD
– 0.4 V
V
OH
High-level output voltage (RESET pin) V
DD
= 1.2 V to 3.3 V, I
OH
= –0.5 mA V
DD
– 0.4 V
V
DD
= 3.3 V to 6.5 V, I
OH
= –2 mA V
DD
– 0.4 V
V
IL
Low-level input voltage (MR pin) 0.3V
DD
V
V
IH
High-level input voltage (MR pin) 0.7V
DD
V
R
MR
MR pin pull-up resistance 10 20 30 kΩ
Negative-going input threshold accuracy T
A
= +25°C ±1.0%
TPS3839A09 0.874 0.900 0.914 V
TPS3839G12 1.073 1.100 1.117 V
TPS3839E16 1.482 1.520 1.543 V
TPS3839G18 1.628 1.670 1.695 V
V
IT–
Negative-going threshold voltage
TPS3839L30 2.564 2.630 2.669 V
TPS3839K33 2.857 2.930 2.974 V
TPS3839G33 3.003 3.080 3.126 V
TPS3839K50 4.271 4.380 4.446 V
TPS3839A09 54 mV
TPS3839G12 11 mV
TPS3839E16 15 mV
TPS3839G18 17 mV
V
hys
Hysteresis voltage
TPS3839L30 26 mV
TPS3839K33 29 mV
TPS3839G33 31 mV
TPS3839K50 44 mV
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