ISL6236AIRZ-T Просмотр технического описания (PDF) - Intersil
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ISL6236AIRZ-T
Intersil
ISL6236AIRZ-T Datasheet PDF : 37 Pages
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ISL6236A
Typical Performance Curves
Circuit of Figure 66, Figure 67, and Figure 69, no load on LDO, OUT1, OUT2, VREF3, and REF,
VIN = 12V, EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V, VEN_LDO = 5V, TA = -40°C to +100°C,
unless otherwise noted. Typical values are at TA = +25°C. (Continued)
7 VIN SKIP MODE
7 VIN PWM MODE
7 VIN ULTRA SKIP MODE
12 VIN SKIP MODE
100
12 VIN PWM MODE
12 VIN ULTRA SKIP MODE
25 VIN SKIP MODE
25 VIN PWM MODE
25 VIN ULTRA SKIP MODE
90
80
70
60
50
40
30
20
10
0
0.001
0.010
0.100
OUTPUT LOAD (A)
1.000
10.000
FIGURE 3. VOUT2 = 3.3V EFFICIENCY vs LOAD (500kHz)
7 VIN SKIP MODE
7 VIN PWM MODE
7 VIN ULTRA SKIP MODE
12 VIN SKIP MODE
100
12 VIN PWM MODE
12 VIN ULTRA SKIP MODE
25 VIN SKIP MODE
25 VIN PWM MODE
25 VIN ULTRA SKIP MODE
90
80
70
60
50
40
30
20
10
0
0.001
0.010
0.100
1.000
10.000
OUTPUT LOAD (A)
FIGURE 4. VOUT1 = 5V EFFICIENCY vs LOAD (400kHz)
1.070
7 VIN SKIP MODE
7 VIN PWM MODE
7 VIN ULTRA SKIP MODE
12 VIN SKIP MODE
12 VIN PWM MODE
12 VIN ULTRA SKIP MODE
25 VIN SKIP MODE
25 VIN PWM MODE
25 VIN ULTRA SKIP MODE
1.068
1.066
1.064
1.062
1.060
1.058
1.056
1.054
1.052
1.050
0.001
0.010
0.100
1.000
10.000
OUTPUT LOAD (A)
FIGURE 5. VOUT2 = 1.05V REGULATION vs LOAD (300kHz)
1.540
7 VIN SKIP MODE
7 VIN PWM MODE
7 VIN ULTRA SKIP MODE
12 VIN SKIP MODE
12 VIN PWM MODE
12 VIN ULTRA SKIP MODE
25 VIN SKIP MODE
25 VIN PWM MODE
25 VIN ULTRA SKIP MODE
1.535
1.530
1.525
1.520
1.515
1.510
1.505
1.500
0.001
0.010
0.100
1.000
10.000
OUTPUT LOAD (A)
FIGURE 6. VOUT1 = 1.5V REGULATION vs LOAD (200kHz)
3.380
7 VIN SKIP MODE
7 VIN PWM MODE
7 VIN ULTRA SKIP MODE
12 VIN SKIP MODE
12 VIN PWM MODE
12 VIN ULTRA SKIP MODE
25 VIN SKIP MODE
25 VIN PWM MODE
25 VIN ULTRA SKIP MODE
3.370
3.360
3.350
3.340
3.330
3.320
3.310
0.001
0.010
0.100
OUTPUT LOAD (A)
1.000
10.000
FIGURE 7. VOUT2 = 3.3V REGULATION vs LOAD (500kHz)
5.160
7 VIN SKIP MODE
7 VIN PWM MODE
7 VIN ULTRA SKIP MODE
12 VIN SKIP MODE
12 VIN PWM MODE
12 VIN ULTRA SKIP MODE
25 VIN SKIP MODE
25 VIN PWM MODE
25 VIN ULTRA SKIP MODE
5.140
5.120
5.100
5.080
5.060
5.040
5.020
5.000
0.001
0.010
0.100
OUTPUT LOAD (A)
1.000
10.000
FIGURE 8. VOUT1 = 5V REGULATION vs LOAD (400kHz)
9
FN6453.0
March 14, 2007
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