Datasheet

TPS386596L33
www.ti.com SLVSA75 –JULY 2010
ELECTRICAL CHARACTERISTICS
Over the operating temperature range of T
J
= –40°C to +125°C. 1.8V < VCC < 6.5V, R
/RESET
= 100kΩ to VCC, C
/RESET
= 50pF
to GND, unless otherwise noted. Typical values are at T
J
= +25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
VCC
Input supply range 1.8 6.5 V
V
CC
= 3.3V, RESET not asserted 7 19 µA
VCC Supply current (current into VCC
I
VCC
pin)
V
CC
= 6.5V, RESET not asserted 7.5 22 µA
Power-up Reset Voltage
(1) (2)
V
OL(max)
= 0.2V, IRESET = 15µA 0.9 V
SENSE1 2.87 2.90 2.93 V
Negative-going Input Threshold
V
ITn
Accuracy
SENSE2, SENSE3, SENSE4 396 400 404 mV
SENSE1 25 72 mV
V
HYS
Hysteresis (Positive-going) on VIT pin
SENSE2, SENSE3, SENSE4 3.5 10 mV
SENSEn: 1.05VIT ≥ 0.95VIT 4 µs
Input pulse width to SENSEn and MR
t
w
pins
MR: 0.7VCC ≥ 0.3VCC 50 ns
I
SENSE1
Input Current at SENSE1 VSENSE1 = 3.3V 2.2 2.75 3.3 µA
Input Current at SENSEn pin, n = 2, 3,
I
SENSEn
VSENSEn = 0.42V -25 25 nA
4
t
d
RESETdelay time 30 50 70 ms
V
IL
MR logic low input 0 0.3Vcc V
V
IH
MRlogic high input 0.7Vcc V
R
MR_Pullup
Internal pullup resistor on MR pin to 100 kΩ
VCC
I
OL
= 1mA 0.4
V
OL
Low-level RESET output voltage V
SENSEn = 0V, 1.3V < VCC < 1.8V, I
OL
=
0.3
0.4mA
(1)
I
LKG
RESET Leakage Current V
RESET
= 6.5V, RESET not asserted –300 300 nA
C
IN
Input pin capacitance 5 pF
(1) These specs are out of recommended VCC range and only define RESET output performance during VCC ramp up.
(2) The lowest supply voltage (VCC) at which RESET becomes active. Trise(VDD) ≥ 15us/V.
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