AT1361
1MHz,1A Synchronous Buck Converter
The Dissipation
The power loss is given by:
1
PLOSS = IO2 × RDS(ON )−P × D + IO2 × RDS(ON )−N × (1− D) + ×VIN × IO × (tr + t f )× fs
2
1
+ ×VD × IO × (tr + t f )× fs +VIN × IQ
2
TJ (MAX ) = TA +θJA × PLOSS
Inductors Surface Mount
Manufacturer/Part No.
Sumida CDRH4D28-4R7
ABC SH40284R7YSB
Manufacturer Website
www.sumida.com
www.atec-group.com
Inductance(µH)
4.7
4.7
Capacitors Surface Mount
Manufacturer/Part No.
TDK C3216X5R0J226M
TDK C3225X5R0J46M
GRM42-6X5R 106K6.3
TAIYO JMK212BJ475MG
Manufacturer Website
www.tdk.com
www.tdk.com
www.murata.com
www.t-yuden.com
Capacitance(µF)
22
47
10
4.7
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
1/11/2008 REV:1.0
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email:service@aimtron.com.tw
12
AIMTRON [ AIMTRON TECHNOLOGY ]
