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APW7071 Fiches technique(PDF) 3 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) 3 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.1 - Feb., 2006
APW7071
www.anpec.com.tw
3
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
Vin
Supply voltage
7
V
FB
Feedback Voltage
7
V
SHDN
Shutdown Voltage
7
V
SW
Switch Voltage
20
V
TJ
Junction Temperature Range
150
°C
TSTG
Storage Temperature Range
-40 to +150
°C
Recommend Operating Conditions
Value
Symbol
Parameter
Min.
Typ.
Max.
Unit
Vin
Input supply voltage
2.4
6.0
V
Vsw
Switch voltage
Vin
18
V
L
Inductor
4.7
µH
Cin
Input capacitor
4.7
µF
Cout
Output capacitor
0.1
µF
Ta
Operating ambient temperature
-40
85
°C
Tj
Operating junction temperature
-40
125
°C
Electrical Characteristics
V
IN=2.4V, EN=VIN, TA=-40°C to +85°C, typical values are at TA=+25°C (unless otherwise noted)
APW7071
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Supply Voltage and Current
Vin
Input Voltage Range
2.4
6
V
Iq
Operating quiescent current
Iout=0, not switching,
VFB=0.3V
70
90
µA
Isd
Shutdown current
SHDN=GND
0.1
1
µA
UVLO
Under-Voltage Lockout threshold
2.1
2.3
V
Under-Voltage Lockout
hysteresis
100
mV
ENABLE
VIH
SHDN high level input voltage
1.3
V
VIL
SHDN low level input voltage
0.4
V
Ii
SHDN input leakage current
SHDN=GND or VIN
0.1
1
µA
Power Switch and Current limit
Vsw
Maximum switching voltage
20
V
toff
Minimum off-time
350
400
500
ns
ton
Maximum on-time
4
6
7.5
µs
Rds,on
MOSFET on-resistance
Vin=2.4V, Isw=200mA
600
1000
m
MOSFET leakage current
Vsw=20V
1
10
µA
ILIM
MOSFET current limit
350
400
450
mA


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