AT1382B Datasheet, PDF (4/21 Pages) Aimtron Technology – 4-Channel DC-DC Converter for DSC

AT1382B
Preliminary Product Information
4-Channel DC-DC Converter for DSC
Absolute Maximum Ratings
Parameter
Power supply voltage
Symbol
Vcc
Condition
--
Rating
Min
Max
Unit
--
8
V
Output current
Io Output pin
--
20
mA
Output peak current
Power dissipation
Operation temperature
Io Output pin, Duty≦5%
--
P_D Ta≦25℃ (LQFP-48P)
--
Topr
--
-30
200
mA
860
mW
85
℃
Storage temperature
Tstg
--
-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
Parameter
Symbol Condition
Startup power supply voltage
Power supply voltage
Reference voltage output current
VB pin output current
Input voltage
Control input voltage
Output current
Oscillator
Timing capacitor
Timing resistor
Soft start capacitor
Short detection capacitor
VB pin capacitor
Operating ambient temperature
Vcc CH4
CH4
Vcc
CH1 to CH3
I_OR VREF pin
I_B VB pin
V_IN IN1 to IN4 pins
V_CTL CTL pin
OUT pin (CH1 to CH3)
Io
OUT pin (CH4)
f_OSC
--
C_T
--
R_T
--
Cs CH1 to CH3
C_CS4 CH4
C_SCP
--
C_VB
--
Ta
--
Min
1.4
1.5
1.8
-1
-0.5
0
0
--
1
100
47
8.2
--
--
--
0.082
-30
Value
Unit
Typ Max
--
7
V
5.0
7
V
5.0
7
V
--
0 mA
--
0 mA
-- Vcc-1.8 V
--
7
V
2
15 mA
2
15 mA
500 1000 kHz
100 560 pF
18 100 kΩ
0.027 1.0 μF
0.47 1.0 μF
0.1 1.0 μF
0.1
-- μF
25
85 ℃
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
WWW: http://www.aimtron.com.tw
Fax: [phone]
Email: [e-mail]
4