LTC2902-2CGN Linear Technology, LTC2902-2CGN Datasheet - Page 6

• Manufacturer Part Number: LTC2902-2CGN
• Description: IC MON SUPP QD W/RST&SEL 16-SSOP
• Manufacturer: Linear Technology
• Type: Multi-Voltage Supervisorr

Specifications of LTC2902-2CGN

• Number Of Voltages Monitored: 4
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 5 ms Minimum
• Voltage - Threshold: 16 Selectable Threshold Combinations
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC2902
TYPICAL PERFOR A CE CHARACTERISTICS
6
0.6
1.0
0.9
0.8
0.7
0.5
0.4
0.3
0.2
0.1
10
0
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
– 60
I
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
RST Output Voltage
vs V1, V
0
RST, COMPX I
vs Supply Voltage
V4
V1 = 5V
V2 = 3.3V
V3 = 2.5V
V4 = 1.8V
T
V1 = V2 = V3 = V4
10k PULL-UP FROM RST TO V1
T
A
A
–40
= 25 C
vs Temperature
= 25 C
1
– 20
PG
TEMPERATURE ( C)
= 0V
2
0
V1 OR V2 (V)
SINK
V1 (V)
20
3
40
V
OL
V
4
= 0.2V
OL
60
W
= 0.4V
5
80
2902 G13
2902 G15
2902 G18
U
100
6
RESET COMPARATOR OVERDRIVE VOLTAGE (% OF V
450
400
350
300
250
200
150
100
7.4
50
8.9
8.4
7.9
6.9
6.4
5.9
5.4
4.9
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0.1
–60
Typical Transient Duration
vs Comparator Overdrive (V1, V2)
Reset Time-Out Period
vs Temperature
0
RST, COMPX Voltage Output Low
vs Output Sink Current
C
(SILVER MICA)
V2 = 3V
V1 = 5V
RT
–40
10
= 1500pF
20
–20
TEMPERATURE ( C)
1
30
0
I
SINK
85 C
40
RESET OCCURS
ABOVE CURVE
20
(mA)
50
40
10
60
60
25 C
70
T
A
– 40 C
= 25 C
80
2902 G14
80
2902 G16
2902 G19
100
100
90
RTX
)
RESET COMPARATOR OVERDRIVE VOLTAGE (% OF V
220
200
180
160
140
120
100
40
20
80
60
100m
100
0
10m
0.1
1m
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
Typical Transient Duration
vs Comparator Overdrive (V3, V4)
1
0
10p
0
Reset Time-Out Period
vs Capacitance
RST High Level Output Voltage
vs Output Source Current
(LTC2902-2)
T
A
= 25 C
100p
0.5
1
I
C
1n
SOURCE
RESET OCCURS
1
ABOVE CURVE
RT
85 C
(FARAD)
(mA)
10n
10
1.5
25 C
T
A
– 40 C
100n
= 25 C
V1 = 5V
V2 = 3V
V3 = 2.5V
V4 = 1V
2
2902 G25
2902 G17
100
2902 G20
2902f
RTX
2.5
1
)