Datasheet

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TIMING REQUIREMENTS
SWITCHING CHARACTERISTICS
TPS3619-33 , , TPS3619-50
TPS3620-33 , TPS3620-50
SLVS387H – APRIL 2001 – REVISED DECEMBER 2007
ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating conditions (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
IH
High-level input current MR = 0.7 x V
DD
– 33 – 76
MR V
DD
= 5 V µ A
I
IL
Low-level input current MR = 0 V – 110 – 255
I
I
Input current PFI – 25 25 nA
V
DD
= 1.8 V – 0.3
I
OS
Short-circuit current PFO PFO = 0 V V
DD
= 3.3 V – 1.1 mA
V
DD
= 5 V – 2.4
V
OUT
= V
DD
40
I
DD
V
DD
supply current µ A
V
OUT
= V
BAT
40
V
OUT
= V
DD
– 0.1 0.1
I
(BAT)
V
BAT
supply current µ A
V
OUT
= V
BAT
0.5
C
i
Input capacitance V
I
= 0 V to 5 V 5 pF
At R
L
= 1 M Ω , C
L
= 50 pF, T
A
= – 40 ° C to +85 ° C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
at V
DD
V
IH
= V
IT
+ 0.2 V, V
IL
= V
IT
– 0.2 V 6 µ s
t
w
Pulse width
at MR V
DD
= V
IT
+ 0.2 V, V
IL
= 0.3 x V
DD
, V
IH
= 0.7 x V
DD
100 ns
At R
L
= 1 M Ω , C
L
= 50 pF, T
A
= – 40 ° C to +85 ° C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
≥ V
IT
+ 0.2 V, MR ≥ 0.7 x V
DD
t
d
Delay time 60 100 140 ms
See timing diagram
V
DD
to RESET V
IL
= V
IT
– 0.2 V, V
IH
= V
IT
+ 0.2 V 2 5
Propagation (delay) time, PFI to PFO delay V
IL
= V
PFI
– 0.2 V, V
IH
= V
PFI
+ 0.2 V 3 5
t
PHL
µ s
high-to-low level output
V
DD
≥ V
IT
+ 0.2 V, V
IL
= 0.3 x V
DD
, 0.1 1
MR to RESET
V
IH
= 0.7 x V
DD
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