at1731a Aimtron Technology, at1731a Datasheet - Page 16

• Manufacturer Part Number: at1731a
• Description: Dc-dc Power Ic For Tft Panel
• Manufacturer: Aimtron Technology

Where
N : It is the number of charge-pump stages.
V
To find the total power dissipated in the device, the power dissipated by each regulator and
the buffer must be added together :
The maximum allowed power dissipation is around 650 mW (16-pin TSSOP)
Where :
T
Θ
Θ
P
P
j
total
MAX
DIODE
JB
BA
- T
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
2/8/2006 REV:1.1
: the thermal resistance of the package to the board
=
: the thermal resistance from the PCB to the surrounding air.
A
=
P
: It is the temperature difference between the IC’s junction and the surrounding air.
: diodes’ forward voltage
MAIN
(
T
j
θ
(
MAX
−
JB
boost
+
)
θ
−
+
BA
T
P
A
NEG
)
+
P
POS
Fax: [phone]
16
DC-DC Power IC for TFT Panel
Preliminary Product Information
WWW:
Email:
http://www.aimtron.com.tw
[e-mail]
AT1731A