ISL8036 查看數據表（PDF） - Renesas Electronics
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ISL8036 Datasheet PDF : 26 Pages
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ISL8036, ISL8036A
ISL8036 Typical Operating Performance for Dual PWM Operation
Unless otherwise noted, operating conditions are: VOUT1 = 1.8V; VOUT2 = 0.8V; IOUT1 = 0A to 3A; IOUT2 = 0A to 3A, FSW = 1MHz.
100
100
90
80
1.8VOUT
2.5VOUT
70
1.2VOUT
1.5VOUT
90
80
1.8VOUT 2.5VOUT
70
3.3VOUT
1.2VOUT 1.5VOUT
60
60
50
50
40
0.0
0.5
1.0
1.5
2.0
2.5
3.0
IOUT (A)
FIGURE 4. EFFICIENCY, VIN = 3.3V, TA = +25°C
40
0.0
0.5
1.0
1.5
2.0
2.5
3.0
IOUT (A)
FIGURE 5. EFFICIENCY, VIN = 5V, TA = +25°C
1.2
1.0
0.8
3.3VIN
0.6
5VIN
0.4
0.2
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
IOUT (A)
FIGURE 6. POWER DISSIPATION, VOUT = 1.8V, TA = +25°C
1.810
1.805
1.800
1.795
1.790
1.785
2.7VIN
5VIN
3.3VIN
1.780
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT LOAD (A)
FIGURE 7. VOUT REGULATION vs LOAD, 1.8V, TA = +25°C
1.810
1.805
1.800
1.795
1.790
1.785
3A LOAD
2A LOAD 0A LOAD
1.780
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
FIGURE 8. OUTPUT VOLTAGE REGULATION vs VIN, 1.8V, TA = +25°C
LX1 2V/DIV
VOUT RIPPLE 20mV/DIV
IL1 0.5A/DIV
FIGURE 9. STEADY STATE OPERATION AT NO LOAD CHANNEL 1
FN6853 Rev 3.00
August 17, 2012
Page 10 of 26
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