LTC4217(RevC) Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
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Fabricante
LTC4217 Datasheet PDF : 18 Pages
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LTC4217
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 12V unless otherwise noted.
IDD vs VDD
2.0
1.8
85°C
1.6
25°C
1.4
–40°C
1.2
1.0
0
5 10 15 20 25 30
VDD (V)
4217 G01
INTVCC Load Regulation
3.5
3.0
VDD = 5V
2.5
VDD = 3.3V
2.0
1.5
1.0
0.5
0
0 –2 –4 –6 –8 –10 –12 –14
ILOAD (mA)
4217 G02
UV Low-High Threshold
vs Temperature
1.234
1.232
1.230
1.228
1.226
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
4217 G03
UV Hysteresis vs Temperature
0.10
Timer Pull-Up Current
vs Temperature
–110
Current Limit Delay
(tPHL(ILIM) vs Overdrive)
1000
–105
100
0.08
–100
10
0.06
–95
1
0.04
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
4217 G04
Current Limit Threshold Foldback
2.5
2.0
1.5
1.0
0.5
0
0 0.2 0.4 0.6 0.8 1.0 1.2
FB VOLTAGE (V)
4217 G07
–90
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
4217 G05
Current Limit Adjustment
(IOUT vs RSET)
2.5
2.0
1.5
1.0
0.5
0
1k
10k
100k
1M
10M
RSET (Ω)
4217 G08
0.1
0
2
4
6
8
OUTPUT CURRENT (A)
10
4217 G06
ISET Resistor vs Temperature
22
21
20
19
18
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
4217 G09
4217fc
5
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