參數(shù)資料
型號(hào): ISL6445IAZ
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: 1.4MHz Dual, 180 Degree Out-of-Phase, Step-Down PWM Controller
中文描述: 0.4 A DUAL SWITCHING CONTROLLER, 1550 kHz SWITCHING FREQ-MAX, PDSO24
封裝: 0.150 INCH, ROHS COMPLIANT, PLASTIC, QSOP-24
文件頁數(shù): 7/15頁
文件大?。?/td> 353K
代理商: ISL6445IAZ
7
FN9230.0
September 9, 2005
FIGURE 7. LOAD TRANSIENT RESPONSE VOUT1 (3.3V)
FIGURE 8. LOAD TRANSIENT RESPONSE VOUT2 (1.2V)
FIGURE 9. PWM SOFT-START WAVEFORM
FIGURE 10. OVERCURRENT HICCUP MODE OPERATION
FIGURE 11. PWM1 EFFICIENCY vs LOAD (3.3V), VIN = 5V
FIGURE 12. PWM2 EFFICIENCY vs LOAD (3.3V), VIN = 5V
Typical Performance Curves
(Continued)
(From ISL6445EVAL1 evaluation board)
V
OUT1
200mV/DIV
AC COUPLED
I
OUT1
1A/DIV
V
OUT2
200mV/DIV
AC COUPLED
I
OUT2
1A/DIV
VCC_5V 1V/DIV
V
OUT1
1V/DIV
V
OUT1
2V/DIV
I
L1
2A/DIV
SS1 2V/DIV
70
80
100
0
1
2.5
3.5
LOAD CURRENT (A)
P
0.5
1.5
2
3
4
90
70
80
100
0
1
2.5
3.5
LOAD CURRENT (A)
P
0.5
1.5
2
3
4
90
ISL6445
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISL6445IAZS2695 制造商:Intersil Corporation 功能描述:
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