ISL97656 查看數據表（PDF） - Renesas Electronics
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ISL97656 Datasheet PDF : 9 Pages
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ISL97656
Performance Curves
93
VOUT = 5V, fSW = 640kHz
92
VIN = 4.5V
VIN = 4.0V
91
90
89
VIN = 3.7V
88
VIN = 3.3V
87
86
VIN = 3.0V
85 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1
LOAD (A)
FIGURE 2. VOUT = 5V EFFICIENCY
92
VOUT = 5V, fSW = 1220kHz
91
VIN = 4.5V
VIN = 4.0V
90
89
88
VIN = 3.7V
87
VIN = 3.3V
86
VIN = 3.0V
85
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1
LOAD (A)
FIGURE 3. VOUT = 5V EFFICIENCY
93 VIN = 3.3V, VOUT = 9V
91
89
fSW = 640kHz
87
85
fSW = 1220kHz
83
81
79
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
LOAD (A)
FIGURE 4. VOUT = 9V EFFICIENCY
94
VIN = 5V, VOUT = 9V
93
fSW = 640kHz
92
fSW = 1220kHz
91
90
0
0.2
0.4
0.6
0.8
1.0
1.2
LOAD (A)
FIGURE 5. VOUT = 9V EFFICIENCY
95
94
VIN = 5V, VOUT = 12.3V
93
fSW = 640kHz
92
91
90
89
88
fSW = 1220kHz
87
86
85
84
83
82
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
LOAD (A)
FIGURE 6. VOUT = 12.3V EFFICIENCY
FN6439 Rev 6.00
July 19, 2012
94
VIN = 3.3V, VOUT = 12.3V
92
90
fSW = 640kHz
88
86
84
fSW = 1220kHz
82
80
78
76 0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
LOAD (A)
FIGURE 7. VOUT = 12.3V EFFICIENCY
Page 4 of 9
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