FAN53540 Fairchild Semiconductor, FAN53540 Datasheet - Page 6

• Manufacturer Part Number: FAN53540
• Description: The FAN53540 is a step-down switching voltage regulator that delivers an adjustable output from an input voltage supply of 2
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FAN53540 • Rev. 1.0.2
Typical Characteristics
Unless otherwise specified; V
100%
95%
90%
85%
80%
75%
70%
95%
90%
85%
80%
75%
70%
95%
90%
85%
80%
75%
0
0
0
Figure 4. Efficiency vs. I
Figure 6. Efficiency vs. I
Figure 8. Efficiency vs. I
1000
1000
1000
Load Current (mA)
Load Current (mA)
Load Current (mA)
2000
2000
2000
IN
=5V, V
OUT
3000
3000
3000
LOAD
LOAD
LOAD
=1.2V, V
, 1.2V
, 1.8V
, 3.3V
4000
4000
4000
OUT
OUT
OUT
MODE
2.7 VIN
3.3 VIN
5.0 VIN
5.5 VIN
2.7 VIN
3.3 VIN
5.0 VIN
5.5 VIN
4.2 VIN
5.0 VIN
5.5 VIN
=0V, T
5000
5000
5000
A
=25°C, circuit in Figure 1, and components per Table 1.
6
100%
95%
90%
85%
80%
75%
70%
95%
90%
85%
80%
75%
70%
95%
90%
85%
80%
75%
0
0
0
Figure 5. Efficiency vs. I
Figure 7. Efficiency vs. I
Figure 9. Efficiency vs. I
1000
1000
1000
Load Current (mA)
Load Current (mA)
Load Current (mA)
2000
2000
2000
3000
3000
3000
LOAD
LOAD
LOAD
, 1.2V
, 1.8V
, 3.3V
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4000
4000
4000
OUT
OUT
OUT
-40C
+25C
+85C
-40C
+25C
+85C
-40C
+25C
+85C
5000
5000
5000