AT1382B Datasheet, PDF (5/21 Pages) Aimtron Technology – 4-Channel DC-DC Converter for DSC

AT1382B
Preliminary Product Information
4-Channel DC-DC Converter for DSC
Electrical Characteristics
Parameter
Symbol Condition
Reference voltage block [REF]
Reference voltage
Output voltage temperature
stability
V_REF
△V_REF
/V_REF
Ta = -30℃ to 85℃
Input stability
Line VCC=1.8V to 7V
Load stability
Load VREF=0mA to –1mA
Shout circuit output current
I_OSC
Under voltage lockout block [U.V.L.O]
Threshold voltage(CH1~CH3)
V_TH
Hysteresis width(CH1~CH3)
V_H
Reset voltage(CH1~CH3)
V_RST
CH4 Pre-OSC change to Main-
OSC threshold
V_TH2
Soft start block [CS]
VREF=0.7V
Charge current
I_CS
Short circuit detection block [SCP]
Threshold voltage
V_TH
Input source current
I_CSCP
Triangular wave oscillator block [OSC]
Oscillator frequency
Frequency stability for voltage
f_OSC CT=100pF, RT=20kΩ
△f
/fdv ^{VCC=1.8V to 7V}
Frequency stability for
temperature
△f
/fdt
Ta=-30℃ to 85℃
Error amplifier block [Error Amp](CH1~CH4)
Threshold voltage
V_TH FB=0.9V
V_T temperature stability
△V_T/V_T Ta = -30℃ to 85℃
Input bias current
Voltage gain
I_B IN=0V
A_V DC
(Ta=25℃, VCC=PVCC=5V)
Measure result
Min. Typ. Max.
Unit
0.88 0.90 0.92 V
- 0.5 - %
-10
-
10 mV
-10
-
10 mV
-20 -5 -1 mA
1.5 1.6 1.7 V
-
0.2
-
V
1.6 1.7 1.8 V
-
1.7
-
V
-6.0 -5.0 -4.0 μA
0.65 0.70 0.75 V
-1.5 -1.0 -0.7 μA
400 500 600 kHz
-
1
10 %
-
1
-%
0.69 0.70 0.71 V
- 0.5 - %
-320 -80 - nA
- 100 - dB
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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