8014AIRZ 데이터 시트보기 (PDF) - Renesas Electronics
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8014AIRZ Datasheet PDF : 16 Pages
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ISL8014A
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. (Continued)
1.83
1.83
1.82
1.82
1.81
4A LOAD PWM
0A LOAD PWM
1.81
1.80
1.80
4A LOAD
0A LOAD
1.79
1.79
1.78
1.78
1.77
1.77
1.76
1.76
1.75
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
1.75
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
FIGURE 13. OUTPUT VOLTAGE REGULATION vs VIN
(PWM VOUT = 1.8 )
FIGURE 14. OUTPUT VOLTAGE REGULATION vs VIN
(PFM VOUT = 1.8V)
LX 2V/DIV
VOUT RIPPLE 20mV/DIV
IL 0.5A/DIV
FIGURE 15. STEADY STATE OPERATION AT NO LOAD (PWM)
LX 2V/DIV
VOUT RIPPLE 20mV/DIV
IL 0.5A/DIV
FIGURE 16. STEADY STATE OPERATION AT NO LOAD (PFM)
LX 2V/DIV
IL 2A/DIV
VOUT RIPPLE 20mV/DIV
FIGURE 17. STEADY STATE OPERATION WITH FULL LOAD
FN7525 Rev 2.00
December 16, 2014
LX 2V/DIV
VOUT RIPPLE 50mV/DIV
IL 1A/DIV
FIGURE 18. MODE TRANSITION CCM TO DCM
Page 8 of 16
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