AIC1642 데이터 시트보기 (PDF) - Analog Intergrations
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AIC1642 Datasheet PDF : 14 Pages
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AIC1642
n ELECTRICAL CHARACTERISTICS (TA=25°C, IOUT=10mA, Unless otherwise
specified)
PARAMETER
Output Voltage
Input Voltage
Start-Up Voltage
Hold-on Voltage
No-Load Input Current
Supply Current
Supply Current
SW Leakage Current
SW Switch-On Resis-
tance
Oscillator Duty Cycle
Max. Oscillator Freq.
Efficiency
TEST CONDITIONS
VIN=1.8V, AIC1642-27
VIN=1.8V, AIC1642-30
VIN=2.0V, AIC1642-33
VIN=3.0V, AIC1642-50
IOUT=1mA, VIN:0→2V
IOUT=1mA, VIN:2→0V
IOUT=0mA
AIC1642-27
AIC1642-30
AIC1642-33
AIC1642-50
VIN=VOUT x 0.95
Measurement of the IC input
current (VOUT pin)
VIN=VOUT + 0.5V
Measurement of the IC input
current (VOUT pin)
VSW=10V, VIN=VOUT + 0.5V
AIC1642-27
AIC1642-30
AIC1642-33
AIC1642-50
VIN=VSW x 0.95, VSW=0.4V
VIN=VOUT x 0.95
Measurement of the SW Pin
Waveform
VIN=VOUT x 0.95
Measurement of the SW Pin
Waveform
SYMBOL MIN.
2.633
VOUT
2.925
3.218
4.875
VIN
VSTART
VHOLD
IIN
IDD1
IDD2
RON
DUTY 65
FOSC
80
η
TYP.
2.700
3.000
3.300
5.000
0.8
15
42
50
60
90
8
2.2
2.1
2.0
1.9
75
105
80
MAX.
2.767
3.075
3.382
5.125
8
0.9
0.7
UNIT
V
V
V
V
µA
µA
µA
0.5
µA
Ω
85
%
130
KHz
%
3
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