ISL9305IRTWCLBZ-T(2010) View Datasheet(PDF) - Intersil
Part Name
Description
Manufacturer
ISL9305IRTWCLBZ-T
(Rev.:2010)
(Rev.:2010)
Intersil
ISL9305IRTWCLBZ-T Datasheet PDF : 17 Pages
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ISL9305
100
90
80
VIN = 2.8V
70
60
VIN = 3.6V
VIN = 5.5V
50
40
30
20
10
00.1
1
10
100
1k
OUTPUT CURRENT (mA)
FIGURE 17. EFFICIENCY vs OUTPUT CURRENT (VOUT = 1.8V, FORCED
PWM MODE)
100
90
VIN = 2.8V
80
70
60
VIN = 3.6V VIN = 5.5V
50
40
30
20
10
0
0.1
1
10
100
1k
OUTPUT CURRENT (mA)
FIGURE 18. EFFICIENCY vs OUTPUT CURRENT (VOUT = 1.8V, PFM to
PWM)
70
60
50
40
PSRR
30
20
VIN = 3.6V
10 VOUT = 2.6V
LOAD = 300mA
0
0.1
1
10
100
FREQUENCY (kHz)
1000
FIGURE 19. RIPPLE REJECTION RATIO vs FREQUENCY
58
56
+85°C
54
52
50
48
+25°C
46
-40°C
44
VO = 1.2V
42 DCD1 = DCD2 = NO SWITCHING, NO LOAD
LDO1 = LDO2 = DISABLED
40
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
INPUT VOLTAGE (V)
FIGURE 20. QUIESCENT CURRENT vs INPUT VOLTAGE
15
FN7605.0
November 8, 2010
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