XRP6141 Datasheet, PDF (7/14 Pages) Exar Corporation – 35A Synchronous Step Down COT Controller

XRP6141
35A Synchronous Step Down COT Controller
VIN
VOUT
SW
IL
Fig. 10: Powerup, DCM/CCM, IOUT=0A
100%
95%
90%
85%
80%
75%
70%
65%
Forced CCM
DCM/CCM
60%
0.1
1
10
I_OUT (A)
Fig. 12: Efficiency, 5VIN, 1.8VOUT, 0.47uH, 300kHz
100%
95%
90%
85%
80%
75%
70%
65%
Forced CCM
DCM/CCM
60%
0.1
1
10
I_OUT (A)
Fig. 14: Efficiency, 5VIN, 1.0VOUT, 0.47uH, 300kHz
VIN
VOUT
SW
IL
Fig. 11: Powerup, DCM/CCM, IOUT=25A
100%
95%
90%
85%
80%
75%
70%
65%
Forced CCM
DCM/CCM
60%
0.1
1
10
I_OUT (A)
Fig. 13: Efficiency, 5VIN, 1.2VOUT, 0.47uH, 300kHz
100%
95%
90%
85%
80%
75%
70%
65%
Forced CCM
DCM/CCM
60%
0.1
1
10
I_OUT (A)
Fig. 15: Efficiency, 12VIN, 3.3VOUT, 1uH, 300kHz
© 2015 Exar Corporation
7/14
Rev. 2.0.0