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APW7085 Datasheet(PDF) 3 Page - Anpec Electronics Coropration

Part # APW7085
Description  2A, 26V, 380kHz, Asynchronous Step-Down Converter
PDF  24 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW7085 Datasheet(HTML) 3 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.7 - Sep., 2010
APW7085
www.anpec.com.tw
3
Symbol
Parameter
Typical Value
Unit
θ
JA
Junction-to-Ambient Resistance in free air
(Note 2)
SOP-8
80
oC/W
Thermal Characteristics
Note 2:
θ
JA is measured with the component mounted on a high effective thermal conductivity test board in free air.
Recommended Operating Conditions (Note 3)
Symbol
Parameter
Range
Unit
VIN
VIN Supply Voltage
4.5 ~ 26
V
VCC Supply Voltage
4.0 ~ 5.5
V
VOUT
Converter Output Voltage
0.8 ~ 90% VIN
V
IOUT
Converter Output Current
0 ~ 2
A
VCC Input Capacitor
0.22 ~ 2.2
µF
VIN-to-UGND Input Capacitor
0.22 ~ 2.2
µF
TA
Ambient Temperature
-40 ~ 85
oC
TJ
Junction Temperature
-40 ~ 125
oC
Note 3: Refer to the typical application circuits.
Electrical Characteristics
APW7085
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
SUPPLY CURRENT
IVIN
VIN Supply Current
VFB = 0.85V, VEN=3V, LX=Open
-
1.0
2.0
mA
IVIN_SD
VIN Shutdown Supply Current
VEN = 0V, VIN=26V
-
-
5
µA
IVCC
VCC Supply Current
VEN = 3V, VCC = 5.0V, VFB=0.85V
-
0.7
-
mA
IVCC_SD
VCC Shutdown Supply Current
VEN = 0V, VCC = 5.0V
-
-
1
µA
VCC 4.2V LINEAR REGULATOR
Output Voltage
VIN = 5.2 ~ 26V, IO = 0 ~ 8mA
4.0
4.2
4.5
V
Load Regulation
IO = 0 ~ 8mA
-60
-40
0
mV
Current-Limit
VCC > POR Threshold
8
-
30
mA
VIN-TO-UGND 5.5V LINEAR REGULATOR
Output Voltage (VVIN-UGND)
VIN = 6.2 ~ 26V, IO = 0 ~ 10mA
5.3
5.5
5.7
V
Load Regulation
IO = 0 ~ 10mA
-80
-60
0
mV
Current-Limit
VIN = 6.2 ~ 26V
10
-
30
mA
POWER-ON-RESET (POR) AND LOCKOUT VOLTAGE THRESHOLDS
VCC POR Voltage Threshold
VCC rising
3.7
3.9
4.1
V
VCC POR Hysteresis
-
0.15
-
V
EN Lockout Voltage Threshold
VEN rising
2.3
2.5
2.7
V
EN Lockout Hysteresis
-
0.2
-
V
Refer to the typical application circuits. These specifications apply over V
IN=12V, VOUT=3.3V and TA= -40 ~ 85
oC, unless
otherwise specified. V
CC is regulated by an internal regulator. Typical values are at TA=25
oC.



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