ISL85402IRZ-T(2011) データシートの表示（PDF） - Intersil
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コンポーネント説明
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ISL85402IRZ-T
(Rev.:2011)
(Rev.:2011)
Intersil
ISL85402IRZ-T Datasheet PDF : 18 Pages
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ISL85402
Performance Curves (Continued)
4.970
4.968
4.966
4.964
4.962
4.960
IO = 0A
IO = 2A
4.958
4.956
4.954
IO = 1A
4.952
4.950
0
5
10
15
20
25
30
36
INPUT VOLTAGE (V)
FIGURE 5. LINE REGULATION, VOUT 5V, TA = +25°C
4.970
4.968
4.966
4.964
4.962
4.960
24V VIN
6V VIN
4.958
4.956
36V VIN
4.954
4.952
12V VIN
4.950
0.0
0.5
1.0
1.5
2.0
2.5
LOAD CURRENT (A)
FIGURE 6. LOAD REGULATION, VOUT 5V, TA = +25°C
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
0.0
12V VIN
6V VIN
24V VIN
0.5
1.0
1.5
LOAD CURRENT (A)
36V VIN
2.0
2.5
FIGURE 7. EFFICIENCY, SYNCHRONOUS BUCK, FORCED PWM
MODE, 500kHz, VOUT 3.3V, TA = +25°C
100
95
6V VIN
90
12V VIN
85
80
75
36V VIN
70
24V VIN
65
60
55
50
45
40
0.1m 1m
10m
100m
LOAD CURRENT (A)
1.0 2.5
FIGURE 8. EFFICIENCY, SYNCHRONOUS BUCK, PFM MODE,
VOUT 3.3V, TA = +25°C
200
180
VIN = 12V
160
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
VO = 5V
45
VO = 12V
40
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
9
FN7640.0
September 29, 2011
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