Datasheet
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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS3619-33 , , TPS3619-50
TPS3620-33 , TPS3620-50
SLVS387H – APRIL 2001 – REVISED DECEMBER 2007
At specified temperature range.
MIN MAX UNIT
Supply voltage, V
DD
1.65 5.5 V
Battery supply voltage, V
BAT
1.5 5.5 V
Input voltage, V
I
0 V
DD
+ 0.3 V
High-level input voltage, V
IH
0.7 x V
DD
V
Low-level input voltage, V
IL
0.3 x V
DD
V
Continuous output current at V
OUT
, I
O
300 mA
Input transition rise and fall rate at MR 100 ns/V
Slew rate at V
DD
or V
BAT
, Δ t/ Δ V 1 V/ µ s
Operating free-air temperature range, T
A
– 40 +85 ° C
Over recommended operating conditions (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
= 1.8 V, I
OH
= – 400 µ A V
DD
– 0.2 V
RESET V
DD
= 3.3 V, I
OH
= – 2 mA V
DD
– 0.4 V V
V
DD
= 5 V, I
OH
= – 3 mA V
DD
– 0.4 V
V
OH
High-level output voltage
V
DD
= 1.8 V, I
OH
= – 20 µ A V
DD
– 0.3 V
PFO V
DD
= 3.3 V, I
OH
= – 80 µ A V
DD
– 0.4 V V
V
DD
= 5 V, I
OH
= – 120 µ A V
DD
– 0.4 V
V
DD
= 1.8 V, I
OL
= – 400 µ A 0.2
V
OL
Low-level output voltage RESET PFO V
DD
= 3.3 V, I
OL
= 2 mA 0.4 V
V
DD
= 5 V, I
OL
= 3 mA 0.4
I
OL
= 20 µ A, V
BAT
> 1.1 V or
V
res
Power-up reset voltage (see
(1)
) 0.4 V
V
DD
> 1.1 V
I
OUT
= 8.5 mA,
V
DD
= 1.8 V V
DD
– 50 mV
V
BAT
= 0 V
I
OUT
= 125 mA,
Normal mode V
DD
= 3.3 V V
DD
– 150 mV V
V
BAT
= 0 V
I
OUT
= 200 mA,
V
OUT
V
DD
= 5 V V
DD
– 200 mV
V
BAT
= 0 V
I
OUT
= 0.5 mA,
V
DD
= 0 V V
BAT
– 20 mV
V
BAT
= 1.5 V
Battery-backup mode V
I
OUT
= 7.5 mA,
V
BAT
– 113 mV
V
BAT
= 3.3 V
V
DD
to V
OUT
on-resistance V
DD
= 5 V 0.6 1
r
DS(on)
Ω
V
BAT
to V
OUT
on-resistance V
DD
= 3.3 V 8 15
TPS3619-33 2.88 2.93 3
V
IT –
Negative-going input
TPS3619-50 T
A
= – 40 ° C to 85 ° C 4.46 4.55 4.64 V
threshold voltage (see
(2)
)
V
PFI
PFI 1.13 1.15 1.17
1.65 V < V
IT
< 2.5 V 20
V
IT
2.5 V < V
IT
< 3.5 V 40
3.5 V < V
IT
< 5.5 V 60
V
hys
Hysteresis mV
PFI 12
VBSW
V
DD
= 1.8 V 55
(see
(3)
)
(1) The lowest supply voltage at which RESET becomes active. t
r,VDD
≥ 15 µ s/V.
(2) To ensure the best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 µ F) should be placed near the supply terminals.
(3) For V
DD
< 1.6 V, V
OUT
switches to V
BAT
regardless of V
BAT
.
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