AT1382A
Preliminary Product Information
4-Channel DC-DC Converter for DSC
Absolute Maximum Ratings
Parameter
Symbol
Condition
Unit
Min
Max
Power supply voltage
Output current
Vcc
Io
--
--
8
V
mA
mA
mW
℃
Output pin
--
--
20
200
860
85
Output pin, Duty≦5%
Output peak current
Power dissipation
Operation temperature
Storage temperature
Io
PD
--
Ta≦25℃ (LQFP-48P)
Topr
Tstg
--
--
-30
-55
℃
125
*Semiconductor devices can be permanently damaged by application of stress in excess of absolute ratings. Do not
exceed these ratings.
Recommended Operating Conditions
Value
Parameter
Symbol
Condition
Unit
Min Typ Max
Startup power supply voltage
Power supply voltage
Vcc CH4
1.4
1.5
1.8
-1
--
5.0
5.0
--
7
7
7
0
V
V
V
CH4
Vcc
CH1 to CH3
VREF pin
VB pin
Reference voltage output current
VB pin output current
Input voltage
IOR
IB
mA
-0.5
0
--
--
0
mA
V
VIN
IN1 to IN4 pins
Vcc-1.8
Control input voltage
VCTL CTL pin
0
--
1
--
2
2
7
15
15
V
mA
mA
OUT pin (CH1 to CH3)
Output current
Io
OUT pin (CH4)
Oscillator
fOSC
CT
--
100
500
1000 kHz
Timing capacitor
Timing resistor
--
--
47
100
560
pF
kΩ
μF
μF
μF
RT
Cs
8.2
--
--
18
0.027
0.47
0.1
100
1.0
1.0
1.0
CH1 to CH3
Soft start capacitor
CCS4 CH4
Short detection capacitor
VB pin capacitor
CSCP
CVB
Ta
--
--
--
--
μF
0.082
-30
0.1
25
--
℃
Operating ambient temperature
85
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
4
AIMTRON [ AIMTRON TECHNOLOGY ]
