ISL6421A データシートの表示（PDF） - Renesas Electronics
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ISL6421A Datasheet PDF : 12 Pages
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ISL6421A
Typical Performance Curves
89
88
18.0V
87
86
85
14.0V
84
83
82
81
50.0
150.0
250.0
350.0
IOUT (mA)
450.0
FIGURE 4. EFFICIENCY vs LOAD CURRENT
550.0
89
88
200mA
87
86
450mA
85
84
83
8.0
10.0
12.0
VIN (V)
14.0
FIGURE 5. EFFICIENCY vs VIN
22kHz TONE
(0.1V/DIV)
10µs/DIV
FIGURE 6. 22kHz TONE
TONE &
VOUT (1V/DIV)
DSQIN
(1V/DIV)
0.2ms/DIV
FIGURE 7. 22kHz TONE MODULATED BY DSQIN
VOUT
(20mV/DIV)
VPWM
(20mV/DIV)
2µs/DIV
FIGURE 8. RIPPLE VOUT = 14.0V
FN9167 Rev 3.00
Mar 9, 2006
VOUT
(20mV/DIV)
VPWM
(20mV/DIV)
2µs/DIV
FIGURE 9. RIPPLE VOUT = 18.0V
Page 10 of 12
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