AT1386 Datasheet, PDF (5/21 Pages) Aimtron Technology – 6-Channel DC-DC Converter for DSC

AT1386
Preliminary Product Information
6-Channel DC-DC Converter for DSC
Electrical Characteristics
Parameter
Symbol Condition
Reference voltage block [REF]
Regulator voltage
Output voltage temperature
stability
V_REG
△V_REF
/V_REF
TA = -30℃ to 85℃
Input stability
Line VCC=2.5V to 6V
Load stability
Load VREG=0mA to –10mA
Under voltage lockout block [U.V.L.O]
(TA=25℃, VCC=PVCC=5V)
Measure result
Min. Typ. Max.
Unit
2.25 2.30 2.35 V
- 0.5 - %
-80
-
80 mV
-20
-
20 mV
Threshold voltage(CH1~CH5)
V_TH
2.0 2.2 2.3 V
Hysteresis width(CH1~CH5)
CH6 Pre-OSC change to Main-
OSC threshold
Hysteresis width(CH6 Pre-OSC
change to Main-OSC threshold)
V_{H1_5}
V_TH6
V_H6
Pre-OSC frequency
f_PRE-OSC
0.05 0.1 0.3 V
2.2 2.3 2.5 V
0.05 0.1 0.3 V
320 400 480 KHz
Soft start block [CS]
Charge current
I_CS
Valid Threshold voltage
Short circuit detection block [SCP]
Threshold voltage
V_TH
Input source current
I_CSCP
Short detect comparator [SCP Comp]
Threshold voltage
V_TH
Input bias current
I_B
CH1 to CH6
IN=0V
Triangular wave oscillator block [OSC]
-1.5 -1.0 -0.8 μA
-
0.3
-
V
0.80 0.90 1.00 V
-1.5 -1.0 -0.6 μA
0.65 0.7 0.75 V
-320 -80 - nA
Oscillator frequency
Frequency stability for voltage
Frequency stability for
temperature
f_OSC CT=82pF
△f
/fdv ^{VCC=2.5V to 6V}
△f
/fdt
TA=-30℃ to 85℃
400 500 600 kHz
-
1 10 %
-
1 10 %
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]
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