LT1246 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT1246 Datasheet PDF : 12 Pages
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LT1246/LT1247
TYPICAL PERFOR A CE CHARACTERISTICS
LT1246 Undervoltage Lockout
17
START-UP THRESHOLD
16
15
11
MINIMUM OPERATING VOLTAGE
10
9
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1246 • TPC01
Start-Up Current
200
START-UP
THRESHOLD
150
LT1247
100
LT1246
50
TJ = 25°C
0
0 2 4 6 8 10 12 14 16 18
VCC (V)
1246/7 TPC04
Oscillator Sink Current
8.7
8.6 VPIN 4 = 2V
8.5
8.4
8.3
8.2
8.1
8.0
7.9
7.8
7.7
–50 –25 0
25 50 75 100 125
TEMPERATURE (°C)
LT1246 • TPC07
LT1247 Undervoltage Lockout
11
10
9
START-UP THRESHOLD
8
MINIMUM OPERATING VOLTAGE
7
6
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1247 TPC02
Supply Current
15
14
13
12
11
10
–50 –25
VCC = 15V
RT = 10k
CT = 3300pF
0 25 50 75 100 125
TEMPERATURE (°C)
LT1246 • TPC05
Reference Short-Circuit Current
140
120
100
80
60
40
20
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1246 • TPC08
Start-Up Current
200
180
160
140
120
100
80
60
40
20
0
–50 –25 0
25 50 75 100 125
TEMPERATURE (°C)
LT1246 • TPC03
Oscillator Frequency
10
8 VCC = 15V
6
4
2
0
–2
–4
–6
–8
–10
–50 –25 0
25 50 75 100 125
TEMPERATURE (°C)
LT1246 • TPC06
Reference Voltage
5.05
5.04 IO = 1mA
5.03
5.02
5.01
5.00
4.99
4.98
4.97
4.96
4.95
–50 –25 0
25 50 75 100 125
TEMPERATURE (°C)
LT1246 • TPC09
4
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