LTC2928I Просмотр технического описания (PDF) - Linear Technology
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производитель
LTC2928I Datasheet PDF : 34 Pages
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LTC2928
Typical Performance Characteristics
IVCC vs VCC
5
HVCC = GND
4
3
2
85°C
25°C
–40°C
1
0
2.5 3 3.5 4 4.5 5 5.5 6
VCC (V)
2928 G08
IHVCC vs HVCC
1
IREG = 0
0.95
0.9
0.85
0.8
85°C
25°C
–40°C
0.75
7
9
11
13
15
17
HVCC (V)
2928 G09
Regulated VCC vs Temperature
3.4
IREG = 0
3.35
HVCC = 7.2V
3.3
3.25
HVCC = 16.5V
HVCC = 12V
3.2
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
2928 G10
Regulated VCC vs HVCC
3.4
IREG = 0
3.35
3.3
3.25
Regulated VCC vs IREG
3.4
HVCC = 12V
3.35
3.3
25°C
85°C
3.25
–40°C
3.2
7
9
11
13
15
17
HVCC (V)
2928 G11
3.2
0
–2
–4
–6
–8
–10
IREG (mA)
2928 G12
Enable Output Voltage in
On State vs VCC
12
10
8
6
4
2
0
0
1
2
3
4
5
6
VCC (V)
2928 G13
Enable Output Voltage vs Enable
Output Current and VCC
12
VCC = 6V
10
8
VCC = 3V
6
4
2
0
0 –2 –4 –6 –8 –10 –12
IEN (µA)
2928 G14
Under Voltage Monitor Threshold
(100%) vs Temperature
0.508
0.506
0.504
0.502
0.5
0.498
0.496
0.494
0.492
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2928 G07
6
For more information www.linear.com/LTC2928
V1 Negative Threshold vs
Temperature
18
VSEL = VCC
12
6
0
–6
–12
–18
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
2928 G06
2928fa
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