Datasheet

TPS2330
TPS2331
SLVS277G –MARCH 2000–REVISED JULY 2013 www.ti.com
ELECTRICAL CHARACTERISTICS (Continued)
over recommended operating temperature range (–40°C < T
A
< 85°C), 3 V ≤V
I(IN1)
≤13 V, 3 V ≤ V
I(IN2)
≤ 5.5 V (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ENABLE, ACTIVE HIGH (TPS2331)
V
IH(ENABLE)
High-level input voltage, ENABLE 2 V
V
IL(ENABLE)
Low-level input voltage, ENABLE 0.7 V
R
I(ENABLE)
Input pulldown resistance, ENABLE 100 150 300 kΩ
V
I(ENABLE)
increasing above start threshold;
t
d(on_ENABLE)
Turnon delay time, ENABLE 85 μs
100-ns rise time, 20-mV overdrive
(1)
V
I(ENABLE)
decreasing below stop threshold;
t
d(off_ENABLE)
Turnoff delay time, ENABLE 100 μs
100-ns fall time, 20-mV overdrive
(1)
PREREG
V
(VREG)
PREREG output voltage 4.5 ≤ V
I(IN)
≤ 13 V 3.5 4.1 5.5 V
V
(drop_PREREG)
PREREG dropout voltage V
I(IN)
= 3 V 0.1 V
VREG UVLO
V
(TO_UVLOstart)
Output threshold voltage, start 2.75 2.85 2.95 V
V
(TO_UVLOstop)
Output threshold voltage, stop 2.65 2.78 V
V
hys(UVLO)
Hysteresis 50 75 mV
UVLO sink current, GATE V
I(GATE)
= 2 V 10 mA
PWRGD1 and PWRGD2
V
I(VSENSE)
decreasing 1.22
V
IT(ISENSE)
Trip threshold, VSENSE 1.2 1.25 V
5
Hysteresis voltage, power-good
V
hys
20 30 40 mV
comparator
V
O(sat_PWRGD)
Output saturation voltage, PWRGD I
O
= 2 mA 0.2 0.4 V
Minimum V
O(VREG)
for valid power- I
O
= 100 μA, V
O(PWRGD)
= 1 V
V
O(VREG_min)
1 V
good
Input bias current, power-good V
I(VSENSE)
= 5.5 V
1 μA
comparator
I
lkg(PWRGD)
Leakage current, PWRGD V
O(PWRGD)
= 13 V 1 μA
V
I(VSENSE)
increasing, overdrive = 20 mV,
t
dr
Delay time, rising edge, PWRGD 25 μs
t
r
= 100 ns
(1)
V
I(VSENSEx)
decreasing, overdrive = 20 mV,
t
df
Delay time, falling edge, PWRGDx 2 μs
t
r
= 100 ns
(1)
FAULT OUTPUT
V
O(sat_ FAULT )
Output saturation voltage, FAULT I
O
= 2 mA 0.4 V
I
lkg( FAULT )
Leakage current, FAULT V
O( FAULT )
= 13 V 1 μA
DISCH
I
(DISCH)
Discharge current, DISCH V
I(DISCH)
= 1.5 V, V
I(VIN)
= 5 V 5 10 mA
V
IH(DISCH)
Discharge on high-level input voltage 2 V
V
IL(DISCH)
Discharge on low-level input voltage 1 V
(1) Specified, but not production tested.
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