BD9328EFJ_15 Datasheet, PDF (5/23 Pages) Rohm – Synchronous Buck Converter with Integrated FET

BD9328EFJ
Typical Performance Curves - continued
Temperature [°C]
Figure 8. Hi-Side, Low-Side FET
ON-Resistance vs Temperature
Datasheet
390
385
380
375
370
365
360
-4 0 -2 0 0
2 0 4 0 60 80
Tem^{T E}pe^Mra^Ptu⁽re^°C[°⁾C]
Figure 9. Operating Frequency vs Temperature
95
90
85
80
75
70
65
60
55
50
0
500
1000
1500
2000
I_O^Io[^[m^mAA^] ]
Figure 10. STEP-Down Efficiency vs I_O
(V_IN= 12V V_OUT= 3.3V L=10µH)
C_SS [µF]
Figure 11. Soft Start Time vs
Soft Start Capacitor
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TSZ22111・15・001
5/19
TSZ02201-0323AAJ00020-1-2
16.Feb.2015 Rev.003