Datasheet
TPS62080, TPS62080A
TPS62081, TPS62082
www.ti.com
SLVSAE8D –SEPTEMBER 2011–REVISED JULY 2013
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
=3.6V, MODE = LOW.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY
V
IN
Input voltage range 2.3 6.0 V
Quiescent current into VIN I
OUT
= 0mA, Device not switching 30 uA
I
Q
Quiescent current into VIN (SNOOZE I
OUT
= 0mA, Device not switching, MODE=HIGH 6.5 uA
MODE)
I
SD
Shutdown current into VIN EN = LOW 1 µA
Under voltage lock out Input voltage falling 1.8 2.0 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 (ENABLE, MODE)
V
IH
High level input voltage 2.3V ≤ V
IN
≤ 6.0V 1 V
V
IL
Low level input voltage 2.3V ≤ V
IN
≤ 6.0V 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
Output voltage range
0.5 4.0 V
TPS62080, TPS62080A
Output voltage accuracy
I
OUT
= 0 mA; V
IN
≥ 2.3V –2.5 2.5 %
TPS62081
V
OUT
Output voltage accuracy
I
OUT
= 0 mA; V
IN
≥ 3.6V –2.5 2.5 %
TPS62082
Snooze Mode output voltage accuracy MODE = HIGH; V
IN
≥ 2.3V and V
IN
≥ V
OUT
+ 1V –5 5 %
Feedback regulation voltage
V
FB
V
IN
≥ 2.3V and V
IN
≥ V
OUT
+ 1V 0.438 0.45 0.462 V
TPS62080, TPS62080A
Feedback input bias current
I
FB
V
FB
= 0.45 V 10 100 nA
TPS62080, TPS62080A
EN = LOW, V
OUT
= 1.8 V 1 kΩ
R
DIS
Output discharge resistor
TPS62080A , EN = LOW, V
OUT
= 1.2 V, 25 40 65 Ω
Line Regulation 0 %/V
Load Regulation TPS62081, TPS62082 -0.25 %/A
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
I
LIM
High side FET switch current limit Rising inductor current 1.6 2.8 4 A
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Product Folder Links: TPS62080 TPS62080A TPS62081 TPS62082