LTC1728ES5-2.5#PBF Linear Technology, LTC1728ES5-2.5#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC1728ES5-2.5#PBF
• Description: MUP PREC TRIPLE SUPPLY MONITORS
• Manufacturer: Linear Technology

Specifications of LTC1728ES5-2.5#PBF

• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Peak Reflow Compatible (260 C): Yes

elecTrical cHaracTerisTics
LTC1727/LTC1728
LTC1728-3.3 The
T
SYMBOL
V
V
V
V
I
I
I
t
t
V
V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All voltage values are with respect to GND.
Note 3: The LTC1727E/LTC1728E are guaranteed to meet specified
performance from 0°C to 70°C and are designed, characterized and
assured to meet the extended temperature limits of –40°C to 85°C
but are not tested at these temperatures.
4
VCC3
VCC18
VCCA
RST
UV
A
RT3
RT18
RTA
CCOP
OL
OH
= 25°C. V
CC3
PARAMETER
Reset Threshold V
Reset Threshold V
Reset Threshold V
V
V
V
V
Reset Pulse Width
V
Output Voltage Low, RST
Output Voltage High, RST
CC3
CC3
CC18
CCA
CC
= 3.3V, V
Undervoltage Detect to RST
, V
Supply Current
l
Input Current
Supply Current
CC18
denotes specifications which apply over the full operating temperature range, otherwise specifications are at
Operating Voltage
CC18
CC3
CC18
CCA
= 1.8V, V
CCA
= V
CC3
CONDITIONS
V
V
V
RST in Correct Logic State
V
V
V
V
RST Low (Note 5)
V
Threshold V
I
I
I
I
I
unless otherwise noted.
SINK
SINK
SINK
SINK
SOURCE
CC3
CC18
CCA
CC18
CC18
CC18
CCA
CC18
Input Threshold
Input Threshold
= 1V
= 2.5mA, V
= 100µA, V
= 100µA, V
= 100µA, V
, V
Input Threshold
> V
< V
< V
CC3
= 1µA (Note 6)
CC3
CC3
CC3
RT
or V
, V
, V
by More Than 1%
CC3
CC18
CCA
CC3
CC3
CC3
CC3
= 3.3V (Note 4)
= 1V, V
= 0V, V
= 1V, V
= 1.8V (Note 4)
Less Than Reset (Note 5)
= 3.3V, V
Note 4: Both V
on which pin has the greatest potential.
Note 5: Measured from when input passes through the input threshold
(V
Note 6: The output pins RST and COMPX have internal pull-ups to V
typically 6µA. However, external pull-up resistors may be used when faster
rise times are required or for V
Note 7: The V
than approximately 4.15V. Above this point the override is turned off and
the V
RTX
CC18
CC18
CC18
CC5
) until RST or COMPX passes through 1.5V.
CC18
= 0V
= 1V
= 1V
pin functions normally.
= 0V
CC5
CC3
reset override voltage is valid for an operating range less
and V
CC5
/V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
CC25
OH
voltages greater than V
/V
V
3.036
1.656
0.985
CC3
CC18
MIN
–15
140
1
– 1
can act as the supply depending
3.086
1.683
1.000
0.15
0.05
0.05
0.05
TYP
200
110
10
1
1
0
CC3
3.135
1.710
1.015
MAX
280
0.4
0.3
0.3
0.3
20
15
7
2
2
.
CC3
UNITS
17278fb
ms
of
µA
µA
µA
nA
µs
V
V
V
V
V
V
V
V
V