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LTC2908 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC2908
Description  Precision Six Input Supply Monitor
PDF  18 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2908 Datasheet(HTML) 6 Page - Linear Technology

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LTC2908
6
2908fd
TYPICAL PERFORMANCE CHARACTERISTICS
Specifications are at TA = 25°C unless otherwise noted.
V1 (V)
0
3.0
4.0
5.0
4
2908 G13
2.0
1.0
0
1
2
3
5
V1 = V2 (A1/B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
V4 = 1.8V (A1)/V4 = 1.5V (B1)
VADJ1 = VADJ2 = VADJ3 =
VADJ4 = VADJ5 = 0.55V
VRT25
LTC2908-C1
VRT50
LTC2908-A1
VRT33
LTC2908-B1
V1 (V)
0
0.2
V2 = GND
V2 = V1
0.3
0.8
2908 G14
0.1
0
0.2
0.4
0.6
0.4
V3 = V4 = VADJ1 =
VADJ2 = GND (A1/B1)
VADJ1 = VADJ2 = VADJ3 =
VADJ4 = VADJ5 = GND (C1)
V1 = INPUT
SUPPLY VOLTAGE, VCC (V)
0
2
4
1
3
5
6
12
3
4
2908 G15
5
0
RST AT
150mV
RST AT
50mV
VCC = V1 = V2
V3 = 2.5V (A1)/V3 = 1.8V (B1)
V4 = 1.8V (A1)/V4 = 1.5V (B1)
VADJ1 =VADJ2 = 0.55V
VRT33
LTC2908-B1
VRT50
LTC2908-A1
SUPPLY VOLTAGE VCC (V)
0
1.5
2.0
2.5
1.5
2.5
2928 G25
1.0
0.5
0
0.5
1.0
2.0
3.0
3.5
4.0
VCC = V1
VADJ1 =VADJ2 =VADJ3 =
VADJ4 =VADJ5 = 0.55V
VRT25
LTC2908-C1
RST AT 150mV
RST AT 50mV
SUPPLY VOLTAGE, VCC (V)
0.01
0.1
1
10
0
0.4
0.6
0.8
0.001
0.2
1
2908 G16
VCC = V1 = V2
V3 = V4 = VADJ1 = VADJ2 = GND
RST AT 150mV
RST AT 50mV
SUPPLY VOLTAGE, VCC (V)
0.01
0.1
1
10
0
0.4
0.6
0.8
0.001
0.2
1
2908 G17
VCC = V1
V2 = V3 = V4 = VADJ1 = VADJ2 =
VADJ3 = VADJ4 = VADJ5 = GND
RST AT 150mV
RST AT 50mV
RST PULL-DOWN CURRENT, IRST (mA)
0
0.7
15
2908 G18
0.4
0.2
510
20
0.1
0
0.8
0.6
0.5
0.3
25
30
35
V1 = 5.0V
V2 = 3.3V
V3 = 2.5V
V4 = 1.8V
VADJ1 = VADJ2 = 0.4V
85°C
–40°C
25°C
RST PULL-DOWN CURRENT, IRST (mA)
0
0.7
15
2908 G19
0.4
0.2
510
20
0.1
0
0.8
0.6
0.5
0.3
25
V1 = 3.3V
V2 = 2.5V
V3 = 1.8V
V4 = 1.5V
VADJ1 = VADJ2 = 0.4V
85°C
–40°C
25°C
25°C
RST PULL-DOWN CURRENT, IRST (mA)
0.0
0.00
0.20
0.40
0.60
0.80
1.0
1.20
5.0
10.0
15.0
20.0
2908 G23
25.0
V1 = 2.5V
VADJ1 = VADJ2 = VADJ3 =
VADJ4 = VADJ5 = 0.4V
85°C
–40°C
RST Output Voltage vs V1 with
10k Pull-Up Resistor to V1
RST Output Voltage vs V1 with
10k Pull-Up Resistor to V1
RST Pull-Down Current vs
Supply Voltage
LTC2908-A1/LTC2908-B1
RST Pull-Down Current vs
Supply Voltage with 1 Input
RST Pull-Down Current vs
Supply Voltage
LTC2908-C1
RST Pull-Down Current vs
Supply Voltage with 2 Inputs
LTC2908-A1/LTC29089-B1
RST Output Voltage Low vs
RST Pull-Down Current
LTC2908-A1
RST Output Voltage Low vs
RST Pull-Down Current
LTC2908-B1
RST Output Voltage Low vs
RST Pull-Down Current
LTC2908-C1



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