ISL9110A Datasheet, PDF (7/16 Pages) Intersil Corporation – 1.2A High Efficiency Buck-Boost Regulator

ISL9110A
Typical Performance Curves
100
95
V_IN = 3V
90
V_IN = 4V
V_IN = 4.5V
85
80
V_IN = 5V
75
70 ^{VOUT = 2.0V}
0.01
V_IN = 2.5V
0.05
I_OUT (A)
V_IN = 2V
0.25
1.25
FIGURE 3. EFFICIENCY vs OUTPUT CURRENT, V_OUT = 2V
100
V_IN = 4.5V
95
90
V_IN = 5V
V_IN = 4V
85
V_IN = 2V
80 _{VIN = 3V}
V_IN = 2.5V
75
V_OUT = 3.3V
70
0.01
0.05
I_OUT (A)
0.25
1.25
FIGURE 4. EFFICIENCY vs OUTPUT CURRENT, V_OUT = 3.3V
100
V_IN = 5V
95
90
V_IN = 4.5V
V_IN = 4V
85
V_IN = 2V
80
V_IN = 2.5V
75
V_OUT = 4.0V
70
0.01
0.05
I_OUT (A)
0.25
V_IN = 3V
1.25
FIGURE 5. EFFICIENCY vs OUTPUT CURRENT, V_OUT = 4V
2.5
V_OUT = 2V
2.0
V_OUT = 3.3V
1.5
1.0
V_OUT = 5V
0.5
0.0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_IN (V)
FIGURE 6. MAXIMUM OUTPUT CURRENT vs INPUT VOLTAGE
9
8
7
+25°C
+85°C
6
0°C
5
-40°C
V_OUT = 3.3V
4
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_IN (V)
FIGURE 7. PWM MODE QUIESCENT CURRENT, V_OUT = 3.3V,
NO LOAD
60
55
50
+25°C
45
+85°C
40
0°C
35
-40°C
V_OUT = 3.3V
30
1.5
2.5
3.5
4.5
5.5
V_IN (V)
FIGURE 8. PFM MODE QUIESCENT CURRENT, V_OUT = 3.3V,
NO LOAD
7
FN8299.1
June 8, 2012