LTC2904 Linear Technology, LTC2904 Datasheet - Page 6

• Manufacturer Part Number: LTC2904
• Description: (LTC2904 / LTC2905) Precision Dual Supply Monitors
• Manufacturer: Linear Technology

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LTC2904/LTC2905
Specifications are at T
TYPICAL PERFOR A CE CHARACTERISTICS
6
–16
–14
–12
–10
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
–8
–6
–4
–2
0
0
2.0
RST Pull-Up Current (I
Supply Voltage (V
0
RST Output Voltage Low (V
RST Pull-Down Current (I
V1 = 5V
V2 = 3V
S1 = S2 = TOL = V1
NO PULL-UP R
TOL = V1
RST PULL-DOWN CURRENT, I
V
10
2.5
RT25
SUPPLY VOLTAGE, V
3.0
20
V
RT33
20
19
18
17
16
15
14
13
12
11
10
3.5
30
A
–50
85°C
I
CC
= 25°C unless otherwise noted.
S1
S1 = S2 = TOL = 3.3V
)
, I
4.0
40
RST
–25
CC
S2
(V)
, I
RST
V
RST
) vs
25°C
W
RT50
TOL
OL
4.5
TEMPERATURE (°C)
50
(mA)
)
0
–40°C
29045 G22
) vs
29045 G19
vs Temperature
U
5.0
60
25
50
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
3.0
2.5
2.0
1.5
1.0
0.5
0
–12
75
0
RST Output Voltage Low (V
RST Pull-Down Current (I
RST Output Voltage High (V
RST Output Source Current (I
V1 = 5V
V2 = 3.3V
S1 = S2 = TOL = V1
NO PULL-UP R
29045 G25
V1 = 3.3V
V2 = 1.8V
S1 = TOL =V1
S2 = OPEN
NO PULL-UP R
85°C
RST PULL-DOWN CURRENT, I
OUTPUT SOURCE CURRENT, I
100
–10
10
25°C
20
–8
–40°C
30
–6
85°C
40
–4
RST
RST
RST
25°C
–20
–19
–18
–17
–16
–15
–14
–13
–12
–11
–10
OL
OH
50
(mA)
–2
(µA)
)
–50
–40°C
RST
) vs
29045 G20
29045 G23
) vs
I
S1 = S2 = TOL = GND
S1
)
60
, I
0
–25
S2
, I
TOL
TEMPERATURE (°C)
0
–18
–16
–14
–12
–10
–8
–6
–4
–2
3.5
3.0
2.5
2.0
1.5
1.0
0.5
vs Temperature
0
2.0
–8
RST Pull-Up Current (I
Supply Voltage (V
RST Output Voltage High (V
RST Output Source Current (I
25
TOL = GND
V1 = 3.3V
V2 = 1.5V
S1 = TOL = V1
S2 = OPEN
NO PULL-UP R
–40°C
OUTPUT SOURCE CURRENT, I
–7
V
RT25
2.5
25°C
50
SUPPLY VOLTAGE, V
–6
3.0
75
V
–5
RT33
29045 G26
85°C
3.5
–4
100
CC
)
–3
4.0
RST
CC
–2
(V)
sn29045 29045fs
RST
) vs
4.5
OH
(µA)
V
RST
29045 G21
–1
RT50
29045 G24
) vs
)
5.0
0