Datasheet

2
LTC2903-1
29031f a
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
V1, V2 ...................................................... –0.3V to 6.5V
V3 ................................................. 2.7V or (V
CC
+ 0.3V)
V4 (LTC2903-A1, -B1, -D1, -E1) ...............–0.3V to 6.5V
V4 (LTC2903-C1) .................................... –6.5V to 0.3V
RST ........................................................ – 0.3V to 6.5V
Operating Temperature Range
LTC2903C-X1 .......................................... 0°C to 70°C
LTC2903I-X1 ...................................... –40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART NUMBER
(Notes 1, 2, 3)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC2903CS6-A1
LTC2903CS6-B1
LTC2903CS6-C1
LTC2903CS6-D1
LTC2903CS6-E1
LTC2903IS6-A1
LTC2903IS6-B1
LTC2903IS6-C1
LTC2903IS6-D1
LTC2903IS6-E1
T
JMAX
= 125°C, θ
JA
= 230°C/W
V1 1
GND 2
V2 3
6 RST
5 V4
4 V3
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
S6 PART MARKING
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
RT33
3.3V, 10% Reset Threshold V1 Input Threshold ● 2.871 2.921 2.970 V
V
RT25
2.5V, 10% Reset Threshold V2 Input Threshold ● 2.175 2.213 2.250 V
V
RT18
1.8V, 10% Reset Threshold V3 Input Threshold ● 1.566 1.593 1.620 V
V
RTA
Adjustable Reset Threshold V4 Input Threshold ● 0.492 0.500 0.508 V
(LTC2903-A1) The ● denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 3.3V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
RT50
5V, 10% Reset Threshold V1 Input Threshold ● 4.350 4.425 4.500 V
V
RT33
3.3V, 10% Reset Threshold V2 Input Threshold ● 2.871 2.921 2.970 V
V
RT25
2.5V, 10% Reset Threshold V3 Input Threshold ● 2.175 2.213 2.250 V
V
RT18
1.8V, 10% Reset Threshold V4 Input Threshold ● 1.566 1.593 1.620 V
(LTC2903-B1) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at
T
A
= 25°C. V
CC
= 5V unless otherwise noted.
LTAFV
LTAJN
LTAJQ
LTBMX
LTBMZ
LTAFW
LTAJP
LTAJR
LTBMY
LTBNB
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
RT50
5V, 10% Reset Threshold V1 Input Threshold ● 4.350 4.425 4.500 V
V
RT33
3.3V, 10% Reset Threshold V2 Input Threshold ● 2.871 2.921 2.970 V
V
RT18
1.8V, 10% Reset Threshold V3 Input Threshold ● 1.566 1.593 1.620 V
V
RT52N
–5.2V, 10% Reset Threshold V4 Input Threshold ● –4.524 –4.602 –4.680 V
(LTC2903-C1) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at
T
A
= 25°C. V
CC
= 5V unless otherwise noted.