Datasheet

TPS2114A
TPS2115A
SBVS044F –MARCH 2004–REVISED MAY 2012 www.ti.com
ELECTRICAL CHARACTERISTICS: GENERAL
Over recommended operating junction temperature range, V
I(IN1)
= V
I(IN2)
= 5.5 V, and R
ILIM
= 400 Ω, unless otherwise noted.
TPS2114A
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
LOGIC INPUTS (D0 AND D1)
V
IH
High-level input voltage 2 V
V
IL
Low-level input voltage 0.7 V
D0 or D1 = high, sink current 1 µA
Input current at D0 or D1
D0 or D1 = low, source current 0.5 1.4 5 μA
SUPPLY AND LEAKAGE CURRENTS
D1 = high, D0 = low (IN1 active), V
I(IN1)
= 5.5 V,
55 90 μA
V
I(IN2)
= 3.3 V, I
O(OUT)
= 0 A
D1 = high, D0 = low (IN1 active), V
I(IN1)
= 3.3 V,
1 12 μA
V
I(IN2)
= 5.5 V, I
O(OUT)
= 0 A
Supply current from IN1
(operating)
D0 = D1 = low (IN2 active), V
I(IN1)
= 5.5 V,
75 μA
V
I(IN2)
= 3.3 V, I
O(OUT)
= 0 A
D0 = D1 = low (IN2 active), V
I(IN1)
= 3.3 V,
1 μA
V
I(IN2)
= 5.5 V, I
O(OUT)
= 0 A
D1 = high, D0 = low (IN1 active), V
I(IN1)
= 5.5 V,
1 μA
V
I(IN2)
= 3.3 V, I
O(OUT)
= 0 A
D1 = high, D0 = low (IN1 active), V
I(IN1)
= 3.3 V,
75 μA
V
I(IN2)
= 5.5 V, I
O(OUT)
= 0 A
Supply current from IN2
(operating)
D0 = D1 = low (IN2 active), V
I(IN1)
= 5.5 V,
1 12 μA
V
I(IN2)
= 3.3 V, I
O(OUT)
= 0 A
D0 = D1 = low (IN2 active), V
I(IN1)
= 3.3 V,
55 90 μA
V
I(IN2)
= 5.5 V, I
O(OUT)
= 0 A
D0 = D1 = high (inactive), V
I(IN1)
= 5.5 V,
0.5 2 μA
V
I(IN2)
= 3.3 V, I
O(OUT)
= 0 A
Quiescent current from IN1
(STANDBY)
D0 = D1 = high (inactive), V
I(IN1)
= 3.3 V,
1 μA
V
I(IN2)
= 5.5 V, I
O(OUT)
= 0 A
D0 = D1 = high (inactive), V
I(IN1)
= 5.5 V,
1 μA
V
I(IN2)
= 3.3 V, I
O(OUT)
= 0 A
Quiescent current from IN2
(STANDBY)
D0 = D1 = high (inactive), V
I(IN1)
= 3.3 V,
0.5 2 μA
V
I(IN2)
= 5.5 V, I
O(OUT)
= 0 A
Forward leakage current from IN1 D0 = D1 = high (inactive), V
I(IN1)
= 5.5 V, IN2 open,
0.1 5 μA
(measured from OUT to GND) V
O(OUT)
= 0 V (shorted), T
J
= 25°C
Forward leakage current from IN2 D0 = D1= high (inactive), V
I(IN2)
= 5.5 V, IN1 open, V
O(OUT)
0.1 5 μA
(measured from OUT to GND) = 0 V (shorted), T
J
= 25°C
Reverse leakage current to INx D0 = D1 = high (inactive), V
I(INx)
= 0 V, V
O(OUT)
= 5.5 V,
0.3 5 μA
(measured from INx to GND) T
J
= 25°C
CURRENT LIMIT CIRCUIT
R
ILIM
= 400 Ω 0.51 0.63 0.80 A
Current limit accuracy, TPS2114A
R
ILIM
= 700 Ω 0.30 0.36 0.50 A
R
ILIM
= 400 Ω 0.95 1.25 1.56 A
Current limit accuracy, TPS2115A
R
ILIM
= 700 Ω 0.47 0.71 0.99 A
Time for short-circuit output current to settle within 10% of
t
d
Current limit settling time 1 ms
its steady state value.
Input current at ILIM V
I(ILIM)
= 0 V, I
O(OUT)
= 0 A –15 0 μA
UVLO
Falling edge 1.15 1.25 V
IN1 and IN2 UVLO
Rising edge 1.30 1.35 V
IN1 and IN2 UVLO hysteresis 30 57 65 mV
Falling edge 2.4 2.53 V
Internal V
DD
UVLO (the higher of
IN1 and IN2)
Rising edge 2.58 2.8 V
Internal V
DD
UVLO hysteresis 30 50 75 mV
UVLO deglitch for IN1, IN2 Falling edge 110 μs
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