AT1362 Datasheet, PDF (10/13 Pages) Aimtron Technology – Synchronous Buck Converter With Power Good Detector & LDO

AT1362A/B
Preliminary Product Information
Synchronous Buck Converter
With Power Good Detector & LDO
The Dissipation
The power loss is given by:
P_{LOSS( DC−DC)}
=
I × R 2
OUT1
DS (ON )−P
×
D
+
I2
OUT1
×
R_{DS (ON )−N}
× (1 − D) + V_IN
× I _OUT1 × (t_r
+t_f
)×
f_s
+ I_s
× V_IN
P_LOSS(LDO) = I _{OUT 2} × (V_IN − V_{OUT 2} )
θ T_{J (MAX )} = T_A + _JA × (P_{LOSS (DC−DC )} + P ) _{LOSS (LDO)}
Inductance(µH)
3.3
4.7
3.3
3.3
4.7
Capacitance(µF)
22
47
10
2.2
4.7
Inductors Surface Mount
Manufacturer/Part No.
Sumida CDRH4D28-3R3
Sumida CDRH5D18-4R7
Mitsumi C3-K1.8L-3R3
Mitsumi C4-K1.8L-3R3
ABC SH40283R3YSB
ABC SH40284R7YSB
Manufacturer Website
www.sumida.com
www.mitsumi.co.jp
www.atec-group.com
Capacitors Surface Mount
Manufacturer/Part No.
TDK C3216X5R0J226M
TDK C3225X5R0J46M
GRM42-6X5R 106K6.3
TAIYO LMK212BJ225MD
TAIYO JMK212BJ475MG
Manufacturer Website
www.tdk.com
www.tdk.com
www.murata.com
www.t-yuden.com
www.t-yuden.com
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] Fax: [phone]
WWW: http://www.aimtron.com.tw
5/30/2006 REV:1.0
Email: [e-mail]
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