LTC2902
W W U W
U W
U
ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
(Notes 1, 2, 3)
V1, V2, V3, V4, VPG ..................................... –0.3V to 7V
RST (LTC2902-1)........................................ –0.3V to 7V
RST (LTC2902-2).......................... –0.3V to (V2 + 0.3V)
COMPX, RDIS ............................................. –0.3V to 7V
T0, T1 .......................................... –0.3V to (VCC + 0.3V)
CRT ............................................. –0.3V to (VCC + 0.3V)
ORDER PART
TOP VIEW
NUMBER
COMP3
COMP1
V3
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
COMP2
COMP4
V2
LTC2902-1CGN
LTC2902-2CGN
LTC2902-1IGN
LTC2902-2IGN
V1
V4
CRT
RST
T0
V
REF
V
REF ............................................. –0.3V to (VCC + 0.3V)
V
PG
Reference Load Current (IVREF) ............................ ±1mA
V4 Input Current (–ADJ Mode) ............................ –1mA
Operating Temperature Range
LTC2902-1C/LTC2902-2C ....................... 0°C to 70°C
LTC2902-1I/LTC2902-2I .................... –40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
GN16 PART MARKING
GND
T1
RDIS
29021
29022
29021I
29022I
GN PACKAGE
16-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 130°C/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
RT50
V
RT33
V
RT30
V
RT25
V
RT18
V
RT15
V
RTA
5V, 5% Reset Threshold
5V, 7.5% Reset Threshold
5V, 10% Reset Threshold
5V, 12.5% Reset Threshold
V1 Input Threshold
●
●
●
●
4.600
4.475
4.350
4.225
4.675
4.550
4.425
4.300
4.750
4.625
4.500
4.375
V
V
V
V
3.3V, 5% Reset Threshold
3.3V, 7.5% Reset Threshold
3.3V, 10% Reset Threshold
3.3V, 12.5% Reset Threshold
V1, V2 Input Threshold
V2 Input Threshold
●
●
●
●
3.036
2.954
2.871
2.789
3.086
3.003
2.921
2.838
3.135
3.053
2.970
2.888
V
V
V
V
3V, 5% Reset Threshold
3V, 7.5% Reset Threshold
3V, 10% Reset Threshold
3V, 12.5% Reset Threshold
●
●
●
●
2.760
2.685
2.610
2.535
2.805
2.730
2.655
2.580
2.850
2.775
2.700
2.625
V
V
V
V
2.5V, 5% Reset Threshold
2.5V, 7.5% Reset Threshold
2.5V, 10% Reset Threshold
2.5V, 12.5% Reset Threshold
V2, V3 Input Threshold
V3, V4 Input Threshold
V3, V4 Input Threshold
V3, V4 Input Threshold
●
●
●
●
2.300
2.238
2.175
2.113
2.338
2.275
2.213
2.150
2.375
2.313
2.250
2.188
V
V
V
V
1.8V, 5% Reset Threshold
1.8V, 7.5% Reset Threshold
1.8V, 10% Reset Threshold
1.8V, 12.5% Reset Threshold
●
●
●
●
1.656
1.611
1.566
1.521
1.683
1.638
1.593
1.548
1.710
1.665
1.620
1.575
V
V
V
V
1.5V, 5% Reset Threshold
1.5V, 7.5% Reset Threshold
1.5V, 10% Reset Threshold
1.5V, 12.5% Reset Threshold
●
●
●
●
1.380
1.343
1.305
1.268
1.403
1.365
1.328
1.290
1.425
1.388
1.350
1.313
V
V
V
V
ADJ, 5% Reset Threshold
ADJ, 7.5% Reset Threshold
ADJ, 10% Reset Threshold
ADJ, 12.5% Reset Threshold
●
●
●
●
0.492
0.479
0.466
0.453
0.500
0.487
0.473
0.460
0.508
0.494
0.481
0.467
V
V
V
V
2902f
2
Linear Systems [ Linear Systems ]
