參數(shù)資料
型號: ISL6410IU-TK
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Single Synchronous Buck Regulators with Integrated FET
中文描述: 1.3 A SWITCHING REGULATOR, 860 kHz SWITCHING FREQ-MAX, PDSO10
封裝: PLASTIC, MO-187-BA, MSOP-10
文件頁數(shù): 13/13頁
文件大小: 393K
代理商: ISL6410IU-TK
9
Layout Considerations
As in all switching power supplies, the layout is an important
step in the design process, more so at high peak currents
and switching frequencies. Improper layout practice will give
rise to Stability and EMI issues. It is recommended that wide
and short traces are used for the main current paths. The
input capacitor should be placed as close as possible to the
IC pins. This applies to the output inductor and capacitor as
well. The analog ground, GND, and the power ground,
PGND, need to be separated. Use a common ground node
to minimize the effects of ground noise.
Performance Curves and Waveforms
FIGURE 4. ISL6410 EFFICIENCY vs LOAD CURRENT
FIGURE 5. ISL6410 VIN vs EFFICIENCY
FIGURE 6. ISL6410A EFFICIENCY vs LOAD CURRENT
FIGURE 7. ISL6410A EFFICIENCY vs VIN
1000
100
50
100
80
50
IOUT LOAD CURRENT (mA)
EFFICIENCY
(%)
90
70
60
VOUT = 1.8V
VOUT = 1.2V
VOUT = 1.5V
3.3
2.9
90
80
70
60
VIN INPUT VOLTAGE (V)
E
F
ICIENCY
(%
)
3.1
3.5
50
IOUT = 200mA
IOUT = 600mA
100
1000
100
50
100
80
50
IOUT LOAD CURRENT (mA)
E
F
FICIE
NCY
(%
)
90
70
60
VOUT = 3.3V
VOUT = 1.2V
VOUT = 1.8V
5.6
5.0
4.4
VIN (V)
EFFICIENCY
(%)
4.8
5.2
4.6
5.4
90
80
70
60
50
100
IOUT = 600mA
IOUT = 200mA
ISL6410, ISL6410A
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