LTC4221I 查看數據表（PDF） - Linear Technology
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LTC4221I
Linear Technology
LTC4221I Datasheet PDF : 28 Pages
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LTC4221
TYPICAL PERFOR A CE CHARACTERISTICS
ΔVGATE2 (VGATE2 – VCC1)
vs Temperature
16
VCC1 = 2.7V, VCC2 = 1V
VCC1 = 5V, VCC2 = 3.3V
14
VCC1 = 13.5V, VCC2 = 13.5V
12
10
8
6
4
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G16
VON(RESET) vs Temperature
0.440
VCC1 = 5V
0.435 VCC2 = 3.3V
0.430
0.425
RISING
0.420
0.415
0.410
0.405
0.400
FALLING
0.395
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G19
VFB(UV) vs VCC1
0.622
VCC2 = 1V
0.621 TA = 25°C
0.620
RISING
0.619
0.618
0.617
FALLING
0.616
0.615
0.614
0 2 4 6 8 10 12 14 16
VCC1 (V)
4221 G22
VGATE(OV) vs Temperature
0.420
VCC2 = 1V
0.415 TIMER = 0.5V
0.410
VCC1 = 2.7V
VCC1 = 5V
VCC1 = 13.5V
0.405
0.400
0.395
0.390
0.385
0.380
0.375
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G17
VON(OFF) vs VCC1
0.860
0.855
0.850
RISING
VCC2 = 1V
TA = 25°C
0.845
0.840
0.835
0.830
0.825
0.820
FALLING
0.815
0 2 4 6 8 10 12 14 16
VCC1 (V)
4221 G20
VFB(UV) vs Temperature
0.623
VCC1 = 5V
0.622 VCC2 = 3.3V
0.621
RISING
0.620
0.619
0.618
FALLING
0.617
0.616
0.615
0.614
0.613
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G23
VON(RESET) vs VCC1
0.430
VCC2 = 1V, TA = 25°C
0.425
RISING
0.420
0.415
0.410
0.405
0.400
FALLING
0.395
0 2 4 6 8 10 12 14 16
VCC1 (V)
4221 G18
VON(OFF) vs Temperature
0.87
VCC1 = 5V
VCC2 = 3.3V
0.86
RISING
0.85
0.84
0.83
FALLING
0.82
0.81
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4221 G21
VFB(OV) vs VCC1
0.8225
0.8220
VCC2 = 1V
TA = 25°C
0.8215
0.8210
0.8205
0.8200
0.8195
0.8190
0 2 4 6 8 10 12 14 16
VCC1 (V)
4221 G24
4221fa
6
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