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APW7071 Fiches technique(PDF) 4 Page - Anpec Electronics Coropration

No de pièce APW7071
Description  White LED DC/DC Step-Up Converter
Download  15 Pages
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Fabricant  ANPEC [Anpec Electronics Coropration]
Site Internet  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW7071 Fiches technique(HTML) 4 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.1 - Feb., 2006
APW7071
www.anpec.com.tw
4
Electrical Characteristics (Cont.)
APW7071
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
OUTPUT
Vout
Adjustable output voltage range
Vin
18
V
IFB
Feedback input bias current
VFB=0.3V
1
µA
VFB
Feedback trip point voltage
2.4≦VIN≦6.0V
0.237
0.25
0.263
V
OVP threshold
16
17
18
V
OVP hysteresis
5
6
7
V
Typical Application Circuit
Fig.1 Typical 4LED application
Fig.2 4LED application with
lower output voltage ripple
3
2
4.7µH
2.7V~6V
4.7µF
SW
FB
GND
1
VIN
6
4
R1
13
0.1µF
OVP
5
Vin
Vout
off on
MSCD052
L1
D1
C1
C2
SHDN
3
2
10µH
2.4V~6V
4.7µF
SW
FB
GND
1
VIN
6
4
R1
13
1µF
OVP
5
Vin
Vout
off on
MSCD052
L1
D1
C1
C2
SHDN


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