LTC1728 LINER [Linear Technology], LTC1728 Datasheet - Page 2

• Manufacturer Part Number: LTC1728
• Description: Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages
• Manufacturer: LINER [Linear Technology]

A
V
RST ........................................................... – 0.3V to 7V
COMPA, COMP3, COMP25/COMP5
LTC1727/LTC1728
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
full operating temperature range, otherwise specifications are at T
otherwise noted.
SYMBOL
V
V
V
V
V
V
I
I
I
I
t
PACKAGE/ORDER I FOR ATIO
2
VCC3
VCC25
VCC5
VCCA
RST
LTC1727EMS8-2.5
LTC1727EMS8-5
RT3
RT5
RT25
RTA
CCOP
CCOPA
CC3
BSOLUTE
(MS8 and SO-8 Only) ............................ – 0.3V to 7V
PART NUMBER
V
CC5
, V
/V
ORDER
CC5
V
V
CC25
GND
CC3
CCA
T
PARAMETER
Reset Threshold V
Reset Threshold V
Reset Threshold V
Reset Threshold V
V
V
V
V
V
V
Reset Pulse Width
JMAX
CC3
CC3
CC3
CC25
CC5
CCA
/V
8-LEAD PLASTIC MSOP
1
2
3
4
CC25
, V
, V
= 125 C,
Supply Current
Supply Current
Input Current
MS8 PACKAGE
Supply Current
CC5
CC5
TOP VIEW
/V
/V
/V
W
CC25
CC25
JA
CC18
= 200 C/W
A
PART MARKING
Operating Voltage
Operating Voltage
CC3
CC5
CC25
CCA
XI
, V
8
7
6
5
COMP3
COMP25/COMP5
RST
COMPA
CCA
W
LTHY
LTHX
MS8
U
................... – 0.3V to 7V
U
W
R
A
CONDITIONS
V
V
V
V
RST, COMP3, COMP5, COMP25 in Correct Logic State
Minimum Supply Voltage to Guarantee COMPA
in Correct Logic State
V
V
V
V
V
RST Low with 10k Pull-Up to V
LTC1727ES8-2.5
LTC1727IS8-2.5
LTC1727ES8-5
LTC1727IS8-5
W
CC3
CC5
CC25
CCA
CC5
CC5
CC25
CC5
CCA
PART NUMBER
TI
/V
/V
Input Threshold
Input Threshold (5V Version)
= 5V, V
Input Threshold
= 1V
U
Input Threshold (2.5V Version)
< V
CC25
CC25
V
ORDER
V
V
V
CC25
GND
CC5
CC3
CCA
G
CC3
/
> V
< V
CC3
T
, V
S
JMAX
1
2
3
4
All except LTC1728-1.8. The
8-LEAD PLASTIC SO
CC3
CC3
CC25
U
< V
(Notes 1, 2)
S8 PACKAGE
= 125 C,
, V
TOP VIEW
CC5
= 2.5V (Note 4)
CC3
A
= 3.3V (Note 4)
= 25 C. V
JA
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................ 300 C
PART MARKING
= 150 C/W
(Note 3) ............................................. – 40 C to 85 C
CC3
8
7
6
5
172725
727I25
17275
1727I5
COMP3
COMP25/
COMP5
RST
COMPA
(Note 5)
CC3
S8
= 3.3V, V
denotes specifications which apply over the
CC5
LTC1728ES5-1.8
LTC1728ES5-2.5
LTC1728ES5-5
PART NUMBER
= 5V, V
ORDER
V
GND 2
RST 1
3.036
4.600
2.300
0.985
CCA
CC25
MIN
– 15
140
T
JMAX
1
5-LEAD PLASTIC SOT-23
3
= 125 C,
= 2.5V, V
S5 PACKAGE
TOP VIEW
3.086
4.675
2.338
1.000
TYP
200
10
10
2
1
1
0
JA
PART MARKING
= 250 C/W
CCA
= V
3.135
4.750
2.375
1.015
5 V
4
MAX
280
2.3
LTPH
LTIA
LTHZ
20
20
15
V
V
V
7
2
2
CC3
CC5
CC25
CC18
S5
CC3
/
/
unless
UNITS
ms
nA
V
V
V
V
V
V
A
A
A
A