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ISL80083IIZ-TS View Datasheet(PDF) - Intersil

Part Name
Description
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ISL80083IIZ-TS Datasheet PDF : 21 Pages
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ISL80083
Typical Performance Curves and Waveforms
.
100
300
1V - PFM
90
250
80
70
1V - PWM
60
200
1V - PWM
150
100
50
40
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)
FIGURE 2. EFFICIENCY vs LOAD (3.3VIN, TA = +25°C)
50
1V - PFM
0
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)
FIGURE 3. POWER DISSIPATION vs LOAD (3.3VIN, TA = +25°C)
1.030
1.020
1.010
1.000
1V - PWM
0.990
0.980
1V - PFM
0.970
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)
FIGURE 4. VOUT REGULATION vs LOAD (3.3VIN, TA = +25°C)
1.815
1.810
1.805
1.800
1.8V LDO
1.795
1.790
1.785
0
30 60 90 120 150 180 210 240 270 300
OUTPUT LOAD (A)
FIGURE 5. VOUT REGULATION vs LOAD (3.3VIN, TA = +25°C)
RESET B 2V/DIV
VIN HOST 5V/DIV
SMPS 1V/DIV
VIN REMOTE 1V/DIV
VLDO 2V/DIV
1ms/DIV
FIGURE 6. START-UP WITH VIN HOST = 3.3V AT NO LOAD (PFM)
VIN HOST 5V/DIV
SMPS 1V/DIV
VIN REMOTE 1V/DIV
VLDO 2V/DIV
RESET B 2V/DIV
1ms/DIV
FIGURE 7. START-UP WITH VIN HOST = 3.3V AT NO LOAD (PWM)
8
FN7886.1
May 15, 2013
 

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