Datasheet

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TPS65120, TPS65121, TPS65123, TPS65124
SLVS531A – JUNE 2004 – REVISED MARCH 2005
ELECTRICAL CHARACTERISTICS (continued)
V
IN
= 3.6 V, EN = RUN = V
IN
, L = 10 µH, T
A
= -40°C to 85°C, typical values are at T
A
= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
LINEAR REGULATOR STAGE - AUXILIARY OUTPUT
V
LDOIN
Input voltage range 2.5 5.8 V
V
LDOIN
V
LDOOUT
Output voltage range 1.8 V
-0.5
I
LDOOUT
Maximum output current 20 mA
I
SC_LDO
Short-circuit current limit V
LDOOUT
= 0 V 50 mA
Minimum dropout voltage I
LDOOUT
= 10 mA 400 mV
2.5 V ≤ V
LDOIN
≤ 5.5 V,
Total accuracy ±3%
0 mA ≤ I
LDOOUT
≤ 20 mA
Load regulation I
LDOOUT
= 0 to 20 mA 0.006 %/mA
V
LDOIN
= V
LDOOUT
+ 0.5 V (min 2.5 V)
Line regulation 0.013 %/V
to 5.5 V, I
LDOOUT
= 20 mA
V
LDOIN
= V
LDOOUT
+ 0.4 V (min 2.5 V),
I
Q_LDO
Linear regulator quiescent current 11 20 µA
T
A
= 25°C
I
SD_LDO
Linear regulator shutdown current GATE = VIN 0.2 1 µA
GATE DRIVER
Gate output pull-down resistance V
GATE
< 500 mV 100 k Ω
Gate output pull-up resistance 100 k Ω
V
IH
High level input voltage 1.4 V
V
IL
Low level input voltage 0.4 V
UNDERVOLTAGE LOCKOUT
V
UVLO
Undervoltage lockout threshold V
IN
falling 2.15 2.3 V
LOGIC SIGNALS EN, RUN, ENVGL, ENVGH
V
IH
High level input voltage 1.4 V
V
IL
Low level input voltage 0.4 V
ENVGL, ENVGH = V
IN
or GND (TPS65124) 0.01 0.1
I
LKG
Logic input leakage current µA
EN, RUN = V
IN
0.01 0.1
EN, RUN pin pull-down resistance EN, RUN ≤ 0.4 v 100 k Ω
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