AAT1275 Analogic Corporation, AAT1275 Datasheet - Page 17

• Manufacturer Part Number: AAT1275
• Manufacturer: Analogic Corporation

AAT1275 Losses
I
I
P
T
1275.2006.12.1.2
RMS(ON)
RMS(OFF)
J(MAX)
TOTAL
= 0.4A
= I
= P
=
=
RMS(ON)
TOTAL
(I
(I
PK
2
PK
· ( 0.25Ω + 0.3Ω ) + 0.42
2
· θ
2
2
+ I
· ( R
+ I
JA
PK
PK
+ T
DS(ON)IN
· I
· I
V
AMB
3
V
+ I
+ I
3
= 0.22W ·
+ R
V
V
2
) · D
2
) · (1 - D
DS(ON)N
MAX
) + I
110°C
MAX
2
=
W
· ( 0.25Ω + 0.3Ω + 0.2Ω ) = 0.22W
RMS(OFF)
)
=
(0.9A
+ 85°C = 109°C
2
(0.9A
Boost Converter with USB Power Switch
· ( R
2
+ 0.9A · 0.2A + 0.2A
DS(ON)IN
2
+ 0.9A · 0.2A + 0.2A
+ R
3
DS(ON)P
3
+ R
2
) · 0.46
DS(ON)
2
) · (1 - 0.46)
)
= 0.4A
= 0.43A
AAT1275
17