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FAN53541 Datasheet, PDF (6/15 Pages) Fairchild Semiconductor – 2.4 MHz, 5 A TinyBuck Synchronous Buck Regulator
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Typical Characteristics
Unless otherwise specified; VIN=5 V, VOUT=1.2 V, VMODE=0 V, TA=25°C, circuit in Figure 1, and components per Table 1.
95%
95%
90%
90%
85%
85%
80%
75%
70%
0
1000
2000
3000
2.7 VIN
3.3 VIN
5.0 VIN
5.5 VIN
4000
5000
Load Current (mA)
Figure 4. Efficiency vs. ILOAD, 1.2 VOUT
95%
80%
75%
70%
0
1000
2000
3000
-40C
+25C
+85C
4000
5000
Load Current (mA)
Figure 5. Efficiency vs. ILOAD, 1.2 VOUT
95%
90%
90%
85%
85%
80%
75%
70%
0
1000
2000
3000
2.7 VIN
3.3 VIN
5.0 VIN
5.5 VIN
4000
5000
Load Current (mA)
Figure 6. Efficiency vs. ILOAD, 1.8 VOUT
100%
80%
75%
70%
0
1000
2000
3000
-40C
+25C
+85C
4000
5000
Load Current (mA)
Figure 7. Efficiency vs. ILOAD, 1.8 VOUT
100%
95%
95%
90%
90%
85%
80%
75%
0
1000
2000
3000
Load Current (mA)
4.2 VIN
5.0 VIN
5.5 VIN
4000
5000
Figure 8. Efficiency vs. ILOAD, 3.3 VOUT
85%
80%
75%
0
1000
2000
3000
Load Current (mA)
-40C
+25C
+85C
4000
5000
Figure 9. Efficiency vs. ILOAD, 3.3 VOUT
© 2013 Fairchild Semiconductor Corporation
FAN53541 • Rev. 1.0.2
6
www.fairchildsemi.com
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