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ISL8014AEVAL2Z データシート(PDF) 6 Page - Renesas Technology Corp

部品番号 ISL8014AEVAL2Z
部品情報  4A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator
PDF  16 Pages
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メーカー  RENESAS [Renesas Technology Corp]
ホームページ  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL8014AEVAL2Z データシート(HTML) 6 Page - Renesas Technology Corp

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ISL8014A
FN7525 Rev 2.00
Page 6 of 16
December 16, 2014
Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VVIN = 2.5V to 5.5V, EN = VIN,
SYNCH = 0V, L = 1.5µH, C1 = 2x22µF, C2 = 2x22µF, IOUT = 0A to 4A.
FIGURE 1. EFFICIENCY vs LOAD (1MHz 3.3 VIN PWM)
FIGURE 2. EFFICIENCY vs LOAD (1MHz 3.3 VIN PFM)
FIGURE 3. EFFICIENCY vs LOAD (1MHz 5VIN PWM)
FIGURE 4. EFFICIENCY vs LOAD (1MHz 5VIN PFM)
FIGURE 5. POWER DISSIPATION vs LOAD (1MHz, VOUT = 1.8V)
FIGURE 6. POWER DISSIPATION WITH NO LOAD vs VIN
(PWM VOUT = 1.8V)
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
OUTPUT LOAD (A)
2.5VOUT-PWM
1.8VOUT-PWM
1.5VOUT-PWM
1.2VOUT-PWM
40
50
60
70
80
90
100
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
OUTPUT LOAD (A)
2.5VOUT-PFM
1.8VOUT-PFM 1.5VOUT-PFM 1.2VOUT-PFM
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
OUTPUT LOAD (A)
2.5VOUT-PWM
1.8VOUT-PWM
1.5VOUT-PWM
1.2VOUT-PWM
3.3VOUT-PWM
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.0
0.1
0.20.3
0.40.5
0.60.7
0.80.9
1.0
OUTPUT LOAD (A)
2.5VOUT-PFM
1.8VOUT-PFM
1.5VOUT-PFM
1.2VOUT-PFM
3.3VOUT-PFM
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
0.00.5
1.01.5
2.02.5
3.0
OUTPUT LOAD (A)
5VIN-PFM
5VIN-PWM
3.3VIN-PFM
3.3VIN-PWM
0
25
50
75
100
125
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)



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