Datasheet

TPS2114A
TPS2115A
www.ti.com SBVS044F –MARCH 2004–REVISED MAY 2012
ELECTRICAL CHARACTERISTICS: GENERAL (continued)
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
REVERSE CONDUCTION BLOCKING
D0 = D1 = high, V
I(INx)
= 3.3 V
Minimum input-to-output voltage Connect OUT to a 5-V supply through a series 1-kΩ
ΔV
O(I_block)
80 100 120 mV
difference to block switching resistor. Let D0 = low. Slowly decrease the supply voltage
until OUT connects to IN1.
THERMAL SHUTDOWN
Thermal shutdown threshold TPS211xA is in current limit 135 °C
Recovery from thermal shutdown TPS211xA is in current limit 125 °C
Hysteresis 10 °C
IN2−IN1 COMPARATORS
Hysteresis of IN2−IN1 comparator 0.1 0.2 V
Deglitch of IN2−IN1 comparator
10 20 50 μs
(both ↑↓)
STAT OUTPUT
Leakage current V
O(STAT)
= 5.5 V 0.01 1 μA
Saturation voltage I
I(STAT)
= 2 mA, IN1 switch is on 0.13 0.4 V
Deglitch time (falling edge only) 150 μs
SWITCHING CHARACTERISTICS
Over recommended operating junction temperature range, V
I(IN1)
= V
I(IN2)
= 5.5 V, and R
ILIM
= 400 Ω, unless otherwise noted.
TPS2114A TPS2115A
PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT
POWER SWITCH
Output rise time from V
I(IN1)
= V
I(IN2)
= 5 V, T
J
= 25°C, C
L
= 1 μF, I
L
= 500 mA
t
r
0.5 1.0 1.5 1 1.8 3 ms
an enable (see Figure 1a)
Output fall time from a V
I(IN1)
= V
I(IN2)
= 5 V, T
J
= 25°C, C
L
= 1 μF, I
L
= 500 mA
t
f
0.35 0.5 0.7 0.5 1 2 ms
disable (see Figure 1a)
IN1 to IN2 transition, V
I(IN1)
= 3.3 V, V
I(IN2)
= 5 V,
T
J
= 125°C, C
L
= 10 μF, I
L
= 500 mA
40 60 40 60 μs
Measure transition time as 10−90% rise time or from
3.4 V to 4.8 V on V
O(OUT)
(see Figure 1b).
t
t
Transition time
IN2 to IN1 transition, V
I(IN1)
= 5 V, V
I(IN2)
= 3.3 V,
T
J
= 125°C, C
L
= 10 μF, I
L
= 500 mA
40 60 40 60 μs
Measure transition time as 10−90% rise time or from
3.4 V to 4.8 V on V
O(OUT)
(see Figure 1b).
V
I(IN1)
= V
I(IN2)
= 5 V, measured from enable to 10% of
Turn-on propagation
t
PLH1
V
O(OUT)
, T
J
= 25°C, C
L
= 10 μF, I
L
= 500 mA 0.5 1 ms
delay from enable
(see Figure 1a)
V
I(IN1)
= V
I(IN2)
= 5 V, measured from disable to 90% of
Turn-off propagation
t
PHL1
V
O(OUT)
, T
J
= 25°C, C
L
= 10 μF, I
L
= 500 mA 3 5 ms
delay from a disable
(see Figure 1a)
Logic 1 to Logic 0 transition on D1, V
I(IN1)
= 1.5 V,
Switch-over rising V
I(IN2)
= 5 V, V
I(D0)
= 0 V, measured from D1 to 10% of
t
PLH2
40 100 40 100 μs
propagation delay V
O(OUT)
, T
J
= 25°C, C
L
= 10 μF, I
L
= 500 mA
(see Figure 1c)
Logic 0 to Logic 1 transition on D1, V
I(IN1)
= 1.5V,
Switch-over falling V
I(IN2)
= 5V, V
I(D0)
= 0 V, measured from D1 to 90% of
t
PHL2
2 3 10 2 5 10 ms
propagation delay V
O(OUT)
, T
J
= 25°C, C
L
= 10 μF, I
L
= 500 mA
(see Figure 1c)
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