AIC1880 Datasheet, PDF (10/11 Pages) Analog Intergrations Corporation – Low Noise, Step-Up PWM DC/DC Converter

AIC1880
APPLICATION EXAMPLES
C10
0.1uF
D3
BAT54S
Vout2
28V/10mA _C11
1uF
C8
0.1uF
D2
BAT54S
C9
0.1uF
D4
BAT54S
C12
0.1uF
Vout3
-9V/10mA
C13
1uF
Vin
3.3V
Cin
10uF
Ccomp2
20pF
L1
6.8uH
U1
6 _VIN
5
LX
7 _{FREQ GND} 4
3 _SHDN
2
FB
1 _COMP
8
SS
Rcomp AIC1880
36k
D1
SS12
Css
0.047uF
Ccomp
1000pF
Cout1
10uF
Vout1
10V/200m
R1
1.6M
R2
220k
D3
BAT54S
Vout2
28V/10mA
Fig. 11 TFT LCD Bias Supply at V_IN=3.3V
C10
0.1uF
C8
0.1uF
D2
BAT54S
D4
BAT54S
C12
0.1uF
Vout3
C13 -9V/10mA
1uF
C11
C9
1uF
0.1uF
Vin
5.0V
Cin
10uF
Ccomp2
56pF
L1
6.8uH
U1
6 _VIN
LX ⁵
7 _{FREQ GND} 4
3
SHDN
FB ²
1
COMP
8
SS
D1
SS12
Rcomp AIC1880
22k
Css
0.047uF
Ccomp
1500pF
Cout1
10uF
Vout1
10V/200mA
R1
1.6M
R2
220k
Fig. 12 TFT LCD Bias Supply at V_IN=5.0V
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