ISL85402 데이터 시트보기 (PDF) - Renesas Electronics
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ISL85402
Renesas Electronics
ISL85402 Datasheet PDF : 22 Pages
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ISL85402
Performance Curves (Continued)
200
180
160
VIN = 12V
140
120
100
VIN = 24V
80
60
40
20
0-50
-25
0
25
50
75
100
125
AMBIENT TEMPERATURE (°C)
FIGURE 9. INPUT QUIESCENT CURRENT UNDER NO LOAD,
PFM MODE, VOUT = 5V
85
80
75
70
65
VO = 20V
60
55
50
45
VO = 5V
40
VO = 12V
35
30
25
0
5
10
15
20
25
30
35
40
VIN (V)
FIGURE 10. IC DIE TEMPERATURE UNDER +25°C AMBIENT
TEMPERATURE, STILL AIR, 500kHz, IO = 2A
85
80
75
VO = 20V
70
65
60
55 VO = 5V
VO = 12V
50
45
40
35
30
25
0
5
10
15
20
25
30
35
40
VIN (V)
FIGURE 11. IC DIE TEMPERATURE UNDER +25°C AMBIENT
TEMPERATURE, STILL AIR, 500kHz, IO = 2.5A
VOUT 2V/DIV
PHASE 20V/DIV
2ms/DIV
FIGURE 12. SYNCHRONOUS BUCK MODE, VIN 36V, IO 2A,
ENABLE ON
VOUT 2V/DIV
PHASE 20V/DIV
2ms/DIV
FIGURE 13. SYNCHRONOUS BUCK MODE, VIN 36V, IO 2A,
ENABLE OFF
FN7640 Rev 1.00
April 25, 2013
VOUT 2V/DIV
PHASE 20V/DIV
2ms/DIV
FIGURE 14. VIN 36V, PREBIASED START-UP
Page 10 of 22
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