LTC1985ES5-1.8 Linear Technology, LTC1985ES5-1.8 Datasheet - Page 3

• Manufacturer Part Number: LTC1985ES5-1.8
• Description: Micropower Precision Triple Supply Monitor with Push-Pull Reset Output in a 5-Lead SOT-23 Package
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
1.000
1.015
1.010
1.005
0.995
0.990
0.985
15
14
13
12
11
10
5
9
8
7
6
–60
– 60
I
V
vs Temperature
VCC3
CCA
–40
–40
Threshold Voltage
vs Temperature
– 20
–20
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
450
400
350
300
250
200
150
100
RESET COMPARATOR OVERDRIVE VOLTAGE (% OF V
50
0
20
20
0.1
Typical Transient Duration
vs Comparator Overdrive
40
40
W
60
60
1985-18 G01
1985-18 G04
1
80
80
U
100
100
RESET OCCURS
ABOVE CURVE
10
2.845
2.835
2.825
2.815
2.805
2.795
2.785
2.775
2.765
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.5
0.6
T
– 60
– 60
A
1985-18 G07
I
V
vs Temperature
VCC18
= 25 C
V
V
V
CC3
CC3
CCA
CC18
–40
–40
100
= 3V
= 3V
Threshold Voltage
= 1.8V
vs Temperature
– 20
– 20
CC
)
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
20
20
40
40
60
60
280
260
220
200
180
160
140
240
–60 –40
1985-18 G02
80
1985-18 G05
80
Reset Pulse Width
vs Temperature
100
100
–20
TEMPERATURE ( C)
1.710
1.690
1.680
1.660
1.650
1.700
1.670
– 0.5
– 2.0
–1.0
–1.5
0
2.0
1.5
1.0
0.5
0
0.80 0.85
–60
20
V
vs Input Voltage
V
vs Temperature
T
CCA
CC18
A
–40
= 25 C
40
Input Current
Threshold Voltage
0.90
–20
60
TEMPERATURE ( C)
LTC1985-1.8
INPUT VOLTAGE (V)
0.95
0
1985-18 G08
80
20
100
1
1.05
40
1.10
60
1985-18 G03
1.15
1985-18 G06
80
3
1.20
100