Datasheet

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TPS70745, TPS70748
TPS70751, TPS70758
TPS70702
SLVS291D – MAY 2000 – REVISED DECEMBER 2007
ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating junction temperature range (T
J
= – 40 ° C to +125 ° C), V
IN1
or V
IN2
= V
OUT(nom)
+ 1V, I
O
= 1mA,
EN = 0V, and C
O
= 33 µ F (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
RESET Terminal
Minimum input voltage for valid RESET I
RESET
= 300 µ A, V
(RESET)
≤ 0.8V 1.0 1.3 V
Trip threshold voltage V
O
decreasing 92% 95% 98% V
OUT
Hysteresis voltage Measured at V
O
0.5% V
OUT
t
(RESET)
RESET pulse duration 80 120 160 ms
t
r(RESET)
Rising edge deglitch 30 µ s
Output low voltage V
I
= 3.5V, I
O(RESET)
= 1mA 0.15 0.4 V
Leakage current V
(RESET)
= 6V 1 µ A
PG1 Terminal
Minimum input voltage for valid PG1 I
(PG1)
= 300 µ A, V
(PG1)
≤ 0.8V 1.0 1.3 V
Trip threshold voltage V
O
decreasing 92% 95% 98% V
OUT
Hysteresis voltage Measured at V
O
0.5% V
OUT
t
f(PG1)
Falling edge deglitch 30 µ s
Output low voltage V
I
= 2.7V, I
O(PG1)
= 1mA 0.15 0.4 V
Leakage current V
(PG1)
= 6V 1 µ A
EN Terminal
High level EN input voltage 2 V
Low level EN input voltage 0.7 V
Input current ( EN) – 1 1 µ A
SEQ Terminal
High level SEQ input voltage 2 V
Low level SEQ input voltage 0.7 V
Falling edge delay Measured at V
O
140 µ s
SEQ pull-up current source 6 µ A
MR1 / MR2 Terminals
High level input voltage 2 V
Low level input voltage 0.7 V
Pull-up current source 6 µ A
V
OUT2
Terminal
V
OUT2
UV comparator: Positive-going
input threshold voltage of V
OUT2
UV 80% V
O
83% V
O
86% V
O
V
comparator
V
OUT2
UV comparator: Falling edge V
SENSE_2
decreasing below threshold
140 µ s
deglitch
Peak output current 2ms pulse width 375 mA
Discharge transistor current V
OUT2
= 1.5V 7.5 mA
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