LTC1536CS8 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1536CS8' PDF : 12 Pages View PDF
TYPICAL PERFORMANCE CHARACTERISTICS
LTC1536
VCC3 Typical Transient Duration
vs Reset Comparator Overdrive
50
RESET OCCURS
45
ABOVE CURVE
40
35
30
25
20
15
10
5
0
0.001
0.01
0.1
1
VCC3 RESET COMPARATOR OVERDRIVE, VRT3 – VCC3 (V)
1536 G10
VCC5 Typical Transient Duration
vs Reset Comparator Overdrive
45
RESET OCCURS
40
ABOVE CURVE
35
30
25
20
15
10
5
0
0.001
0.01
0.1
1
VCC5 RESET COMPARATOR OVERDRIVE, VRT5 – VCC5 (V)
1536 G11
VCCA Typical Transient Duration
vs Reset Comparator Overdrive
40
RESET OCCURS
35
ABOVE CURVE
30
25
20
15
10
5
0
0.001
0.01
0.1
1
VCCA RESET COMPARATOR OVERDRIVE, VRTA – VCCA (V)
1536 G12
RST Output Voltage
vs Supply Voltage
5.0
4.5
VCC5 = VCC3 = VCCA
4.7k PULL-UP FROM RST TO VCC5
4.0 TA = 25°C
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE, VCC (V)
1536 G13
Undervoltage Response Time
vs Temperature
RST Output Voltage
vs Supply Voltage
5.0
4.5
VCC5 = VCC3 = VCCA
RST PIN LOADED WITH
4.0 10MΩ TO GND
TA = 25°C
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE, VCC (V)
1536 G16
Power-Fail Response Time
vs Temperature
DEVICE THRESHOLD
PCI SPEC
85° – 40°
25°
VCC3
tFAIL SPEC
MARGIN
VCC3 FALLING
RST
FROM 3.3V TO
2.3V AT (– 0.1V/µs)
TIME (1µs/DIV)
1536 G15
VCC5
85°
– 40°
25°
RST
TIME (20ns/DIV)
1536 G14
1536fa
5
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