Datasheet

TLV62080, TLV62084
SLVSAK9E –OCTOBER 2011–REVISED FEBRUARY 2014 www.ti.com
7.5 Electrical Characteristics
Over recommended free-air temperature range, T
A
= –40°C to 85°C, typical values are at T
A
= 25°C (unless otherwise noted),
V
IN
= 3.6 V.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY
V
IN
Input voltage range,TLV62080 2.5 5.5 V
V
IN
Input voltage range,TLV62084 2.7 5.5 V
I
Q
Quiescent current into VIN I
OUT
= 0 mA, Device not switching 30 uA
I
SD
Shutdown current into VIN EN = LOW 1 µA
Under voltage lock out Input voltage falling 1.8 2 V
V
UVLO
Under voltage lock out hysteresis Rising above V
UVLO
120 mV
T
JSD
Thermal shut down Temperature rising 150 °C
Thermal shutdown hysteresis Temperature falling below T
JSD
20 °C
LOGIC INTERFACE (EN)
V
IH
High level input voltage 2.5 V ≤ V
IN
≤ 5.5 V 1 V
V
IL
Low level input voltage 2.5 V ≤ V
IN
≤ 5.5 V 0.4 V
I
LKG
Input leakage current 0.01 0.5 µA
POWER GOOD
V
PG
Power good threshold V
OUT
falling referenced to V
OUT
nominal –15 –10 –5 %
Power good hysteresis 5 %
V
IL
Low level voltage I
sink
= 500 µA 0.3 V
I
PG,LKG
PG Leakage current V
PG
= 5.0 V 0.01 0.1 µA
OUTPUT
V
OUT
Output voltage range 0.5 4 V
V
FB
Feedback regulation voltage V
IN
≥ 2.5 V and V
IN
≥ V
OUT
+ 1 V 0.438 0.45 0.462 V
I
FB
Feedback input bias current V
FB
= 0.45 V 10 100 nA
R
DIS
Output discharge resistor EN = LOW, V
OUT
= 1.8 V 1 kΩ
High side FET on-resistance I
SW
= 500 mA 120 mΩ
R
DS(on)
Low side FET on-resistance I
SW
= 500 mA 90 mΩ
High side FET switch current-limit,
I
LIM
Rising inductor current 1.6 2.8 4 A
TLV62080
High side FET switch current-limit,
I
LIM
Rising inductor current 2.3 2.8 4 A
TLV62084
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