LTC4221CGN Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC4221CGN
Linear Technology
LTC4221CGN Datasheet PDF : 28 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC4221
VFB(OV) vs Temperature
0.825
VCC1 = 5V
0.824 VCC2 = 3.3V
0.823
0.822
0.821
0.820
0.819
0.818
0.817
0.816
0.815
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G25
VFILTER(TH) vs Temperature
1.246
1.244
VCC2 = 1V
VGATE1 = 0.2V
1.242
1.240
1.238
1.236
1.234
1.232
1.230
1.228
1.226
1.224
–50 –25
VCC1 = 2.7V
VCC1 = 5V
VCC1 = 13.5V
0 25 50 75 100 125
TEMPERATURE (°C)
4221 G28
ITMR(FSTDN) vs Temperature
25
VCC2 = 1V
VTMR = 1.5V
20
15
VCC1 = 2.7V
VCC1 = 5V
10
VCC1 = 13.5V
5
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G31
IFILTER(UP) vs Temperature
–88
VCC2 = 1V
VFILTER = 1V
–93
VCC1 = 2.7V
VCC1 = 5V
VCC1 = 13.5V
–98
–103
–108
–113
–118
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G26
ITMR(UP1) vs Temperature
–1.6
VCC2 = 1V
VTMR = 0.25V
–1.7
VCC1 = 2.7V
VCC1 = 5V
VCC1 = 13.5V
–1.8
–1.9
–2.0
–2.1
–2.2
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G29
VTMR(H) vs Temperature
1.240
VCC2 = 1V
1.238
1.236
1.234
1.232
1.230
1.228
1.226
1.224
1.222
1.220
–50 –25
VCC1 = 2.7V
VCC1 = 5V
VCC1 = 13.5V
0 25 50 75 100 125
TEMPERATURE (°C)
4221 G32
IFILTER(DN) vs Temperature
2.00
VCC2 = 1V
1.95 VFILTER = 1V
1.90
1.85
1.80
1.75
1.70
1.65
–50 –25
VCC1 = 2.7V
VCC1 = 5V
VCC1 = 13.5V
0 25 50 75 100 125
TEMPERATURE (°C)
4221 G27
ITMR(UP2) vs Temperature
–17.0
–17.5
–18.0
VCC2 = 1V
VTMR = 0.25V
VCC1 = 2.7V
VCC1 = 5V
VCC1 = 13.5V
–18.5
–19.0
–19.5
–20.0
–20.5
–21.0
–21.5
–22.0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
4221 G30
VTMR(L) vs Temperature
0.404
VCC2 = 1V
0.403
0.402
VCC1 = 2.7V
VCC1 = 5V
VCC1 = 13.5V
0.401
0.400
0.399
0.398
0.397
0.396
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G33
4221fa
7
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