AIC1848CG Просмотр технического описания (PDF) - Analog Intergrations
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AIC1848CG Datasheet PDF : 10 Pages
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AIC1848
TEST CIRCUIT
VIN
CIN
1µF
U1
1 VOUT
2 GND
3
SHDN
C+ 6
VIN 5
C- 4
AIC1848
VOUT
COUT
1µF
CFLY
1µF
ELECTRICAL CHARACTERISTICS
(TA=25°C, CFLY=1µF, CIN=1µF, COUT=1µF, unless otherwise specified.) (Note 1)
PARAMETER
TEST CONDITIONS
SYMBOL MIN. TYP.
Input Voltage
Output Voltage
Supply Current
Shutdown Current
2.7V≤ VIN< 4.5V,
IOUT≤ 40mA
3.1V≤ VIN≤ 4.5V,
IOUT≤ 100mA
2.7V≤ VIN≤ 5.0V,
IOUT=0 , SHDN =VIN
2.7V≤ VIN≤ 5.0V,
IOUT=0 , SHDN =0V
VIN
VOUT
ICC
I SHDN
2.7
4.8
5
4.8
5
1
3
0.01
Efficiency
VIN =2.7V , IOUT=30mA
η
85
Switching Frequency
Oscillator Free Running
fOSC
1.8
Output Ripple
VIN =3.7V, Cout = 2.2uF
Iout= 60mA Cout = 1uF
High
VIH
Shutdown Input Threshold
Low
VIL
SHDN =VIN
IIH
Shutdown Input Current
SHDN = 0V
IIL
Vout Turn On Time
VIN =3V, IOUT = 1mA
tON
30
40
1.4
-1
-1
50
Output Short Circuit Current VIN=3V, VOUT= 0V,
ISC
300
SHDN = VIN
MAX.
4.5
5.2
5.2
5
1.0
0.3
1
1
UNIT
V
V
mA
µA
%
MHz
mV
V
V
µA
µA
µS
mA
Note 1: Specifications are production tested at TA=25°C. Specifications over the -40°C to 85°C operating
temperature range are assured by design, characterization and correlation with Statistical
Quality Controls (SQC).
3
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