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ER3110DI Datasheet, PDF (8/23 Pages) Altera Corporation – Synchronous Buck Regulator
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Page 8
Efficiency Curves FSW = 500kHz, TA = +25°C (Continued)
100
95
VPVIN = 12V
90
VPVIN = 5V
85
80
VPVIN = 15V
75
70
65
VPVIN = 33V
60
VPVIN = 24V
55
50
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
FIGURE 11. EFFICIENCY vs LOAD, PFM, VOUT = 1.8V
100
95
VPVIN = 12V
90
VPVIN = 5V
85
80
75
70
65
VPVIN = 15V
VPVIN = 33V
60
VPVIN = 24V
55
50
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
FIGURE 12. EFFICIENCY vs LOAD, PWM, VOUT = 1.8V
5.004
5.003
5.002
5.001
VPVIN = 6V
VPVIN = 12V
5.000
4.999
4.998
4.997
4.996
VPVIN = 15V
4.995
VPVIN = 24V
4.994
4.993
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
FIGURE 13. EFFICIENCY vs LOAD, PWM, VOUT = 5V, L1 = 30µH
5.030
5.025
5.020
5.015
VPVIN = 6V
VPVIN = 12V
5.010
5.005
5.000
VPVIN = 15V
4.995
4.990 VPVIN = 24V
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
FIGURE 14. VOUT REGULATION vs LOAD, PFM, VOUT = 5V, L1 = 30µH
3.326
3.325
VPVIN = 5V
3.324
3.323
VPVIN = 12V
3.322
3.321
3.320
VPVIN = 15V
3.319
3.318
VPVIN = 24V
3.317
VPVIN = 33V
3.316
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
FIGURE 15. VOUT REGULATION vs LOAD, PWM, VOUT = 3.3V
3.345
3.340
3.335
VPVIN = 5V
VPVIN = 12V
3.330
3.325
VPVIN = 33V
VPVIN = 15V
3.320
VPVIN = 24V
3.315
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
FIGURE 16. VOUT REGULATION vs LOAD, PFM, VOUT = 3.3V
Enpirion Power Datasheet ER3110DI Wide PVIN 1A Synchronous Buck Regulator
10038
May 28, 2014
May 2014 Altera Corporation
Rev A
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