AT1386
Preliminary Product Information
6-Channel DC-DC Converter for DSC
Electrical Characteristics
(T =25℃, VCC=PVCC=5V)
A
Measure result
Parameter
Symbol
Condition
Unit
Min. Typ. Max.
Reference voltage block [REF]
Regulator voltage
VREG
2.25
-
2.30
0.5
2.35
-
V
△VREF
/VREF
Output voltage temperature
stability
T
A
= -30℃ to 85℃
%
Input stability
Load stability
Line VCC=2.5V to 6V
-80
-20
-
-
80
20
mV
mV
Load VREG=0mA to –10mA
Under voltage lockout block [U.V.L.O]
Threshold voltage(CH1~CH5)
Hysteresis width(CH1~CH5)
VTH
VH1_5
VTH6
2.0
0.05
2.2
2.2
0.1
2.3
0.1
400
2.3
0.3
2.5
0.3
V
V
V
V
CH6 Pre-OSC change to Main-
OSC threshold
Hysteresis width(CH6 Pre-OSC
VH6
0.05
320
change to Main-OSC threshold)
Pre-OSC frequency
fPRE-OSC
480 KHz
Soft start block [CS]
Charge current
μA
ICS
-1.5
-
-1.0
0.3
-0.8
-
Valid Threshold voltage
V
Short circuit detection block [SCP]
Threshold voltage
VTH
0.80
-1.5
0.90
-1.0
1.00
-0.6
V
μA
Input source current
ICSCP
Short detect comparator [SCP Comp]
VTH
Threshold voltage
Input bias current
CH1 to CH6
IN=0V
0.65
-320
0.7
-80
0.75
-
V
IB
nA
Triangular wave oscillator block [OSC]
Oscillator frequency
fOSC CT=82pF
400
-
500
1
600
10
kHz
%
△f
Frequency stability for voltage
VCC=2.5V to 6V
/fdv
△f
Frequency stability for
temperature
T =-30℃ to 85℃
A
-
1
10
%
/fdt
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
5
AIMTRON [ AIMTRON TECHNOLOGY ]
