EL7564CM 데이터 시트보기 (PDF) - Elantec -> Intersil
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EL7564CM Datasheet PDF : 18 Pages
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EL7564C
Monolithic 4 Amp DC:DC Step-down Regulator
Typical Performance Curves
*Note: The 28-Pin HTSSOP Package Offers Improved Performance
Oscillator Frequency vs Temperature
360
350
340
IO=4A
330
320
310
IO=0A
300
290
280
-40
-20
0
20
40
60
80
Temperature (°C)
VTJ vs Junction Temperature
1.5
1.3
1.1
0.9
0
25
50
75
100
125
150
Junction Temperature (°C)
Current Limit vs TJ
8
7
6
VIN=5.5V
VIN=5V
5
VIN=4.5V
4
3
-40 -20 0
20 40 60 80 100 120
TJ (°C)
Switching Frequency vs COSC
1000
900
800
700
600
500
400
300
200
100
100 200 300 400 500 600 700 800 900 1000
COSC (pF)
*θJA vs Copper Area
(20-Pin SO Package)
50
46
with no airflow
42
38
34
Test Condition:
with 100 LFPM airflow
Chip in the center of copper area
30
1
1.5
2
2.5
1 oz. copper PCB used
3
3.5
4
PCB Copper Heat-Sinking Area (in2)
Switching Waveforms
VIN=5V, VO=3.3V, IO=4A
∆VIN
VLX
iL
∆VO
6
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