AIC1899 Просмотр технического описания (PDF) - Analog Intergrations
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AIC1899 Datasheet PDF : 10 Pages
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AIC1899
ELECTRICAL CHARACTERISTICS
(VIN=V SHDN =3V, FB=GND, SS=Open, TA=25°C, unless otherwise specified) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Input Supply Range
Output Voltage Adjust Range
VIN Undervoltage Lockout
Quiescent Current
Output Current
Shutdown Supply Current
VIN
VOUT
UVLO
IIN
Iout
VIN rising, 50mV hysteresis
VFB = 1.3V, not switching
VFB = 1.0V, switching
Vin = 3V, Vout = 15V
Vin = 3.3V, Vout = 15V
V SHDN = 0, TA = +25°C
V SHDN = 0
ERROR AMPLIFIER
Feedback Regulation Set Point VFB
FB Input Bias Current
IFB VFB = 1.24V
Line Regulation
OSCILLATOR
2.6V < VIN < 5.5V
Frequency
Maximum Duty Cycle
fOSC
DC
POWER SWITCH
On-Resistance
Leakage Current
SOFT-START
RDS(ON) Vin = 5V
ILX(OFF)
VLX = 24V, TA = +25°C
VLX = 24V
Reset Switch Resistance
Guaranteed By Design
Charge Current
CONTROL INPUT
VSS = 1.2V
Input Low Voltage
Input High Voltage
SHDN Input Current
VIL
VIH
I SHDN
V SHDN , VIN = 2.5V to 5.5V
V SHDN , VIN = 2.5V to 5.5V
V SHDN = 1.8V
V SHDN = 0
2.5
5.5 V
24 V
2.2
V
0.1 0.2
mA
1
5
15
mA
17
0.01 0.5 µA
0.01 10 µA
1.205 1.23 1.255 V
21 80 nA
0.05 0.20 %/V
800 1000 1700 KHz
80 82
%
1.2 1.6 Ω
0.1
1
µA
10
100 Ω
1.5
4
7.0 µA
0.3 V
1.0
V
25 50
µA
0.01 0.1
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).
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