AT1380A
Preliminary Product Information
Switching Regulator Controller for LCD Bias
Absolute Maximum Ratings
(Ta=+250C)
Parameter
Symbol
Condition
Rated Value
Unit
Min.
Max.
Power supply voltage
Output source current
Output sink current
Allowable dissipation
VCC
—
—
—
—
—
—
-30
-55
15
-50
50
V
+
IO-
—
mA
mA
mW
IO
—
PD
570
SOP-8, Ta ≦+25°C
PD
430
+85
+125
mW
TSSOP-8, Ta ≦+25°C
Operating temperature
Storage temperature
ESD Classification
TOP
—
—
0C
Tstg
0C
MIL-STD-883
Class 2
* : When mounted on a 10 cm square double-sided epoxy board
WARNING: Do not exceed these ratings. IC devices can be permanently damaged by stress (voltage,
current, temperature, etc.) in excess of absolute maximum ratings.
Recommended Operating Conditions
(Ta=+250C)
Parameter
Symbol
Values
Typ.
Unit
Min.
Max.
Power supply voltage
VCC
VI
2.5
-0.2
-0.2
-20
--
--
13.5
Ｖ
Ｖ
Error amplifier input voltage
BR/CTL pin input voltage
Output source current
Output sink current
--
1.0
VBR
--
VCC
--
40
--
--
5000
10.0
10000
1000
+85
Ｖ
+
IO
--
ｍＡ
ｍＡ
μＦ
μＦ
Ω
ｋΩ
pF
kHz
°C
-
IO
--
SCP pin capacitance
CPE
CP
--
0.1
0.1
390
3.0
270
500
+25
Phase compensation capacitance
Output current setting resistance
Timing resistance
--
RB
150
1.0
100
10
RT
Timing capacitance
CT
Oscillation frequency
fOSC
TOP
Operating temperature
-30
WARNING: Recommended operating conditions are normal operating ranges for the IC device. All the
device’s electrical characteristics are warranted for operation within these ranges. Use IC devices only
within the recommended operating conditions. Operation outside these ranges may adversely affect the
reliability and can result in device failure.
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
3
AIMTRON [ AIMTRON TECHNOLOGY ]
