FAN2103_12 Datasheet, PDF (7/14 Pages) Fairchild Semiconductor – 3 A, 24 V Input, Integrated Synchronous Buck Regulator

Typical Characteristics
1.010
1.20
1.005
1.10
1.000
1.00
0.995
0.90
0.990
-50
0
50
100
Temperature (^oC)
0.80
150
-50
0
50
100
150
Temperature (^oC)
Figure 4. Reference Voltage (V_FB) vs. Temperature,
Normalized
Figure 5. Reference Bias Current (I_FB) vs.
Temperature, Normalized
1500
1.02
1200
900
600
300
1.01
600KHz
1.00
300KHz
0.99
0
0.98
0 20 40 60 80 100 120 140
-50
RT (KΩ)
0
50
100
150
Temperature (^oC)
Figure 6. Frequency vs. R_T
Figure 7. Frequency vs. Temperature, Normalized
1.60
1.40
1.20
1.00
0.80
0.60
-50
Q1 ~0.32 %/^oC
Q2 ~0.35 %/^oC
0
50
100
150
Temperature (^oC)
Figure 8. R_DS vs. Temperature, Normalized
(V_CC = V_GS = 5 V)
1.04
1.02
1.00
0.98
0.96
-50
0
50
100
150
Temperature (^oC)
Figure 9. I_LIM Current (I_ILIM) vs. Temperature,
Normalized
© 2007 Fairchild Semiconductor Corporation
FAN2103 • Rev. 1.0.8
7
www.fairchildsemi.com