APL1085 Ver la hoja de datos (PDF) - Anpec Electronics
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APL1085 Datasheet PDF : 12 Pages
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APL1085
Electrical Characteristics (Cont.)
Symbol
Parameter
Test Conditions
VD
ILIMIT
IADJ
∆IADJ
ILMIN
IQ
PSRR
LS
VN
θJC
Dropout Voltage
Current Limit
Adjust Pin Current
∆VREF=1%, IOUT=3A,
TJ =0~125°C
(VIN-VOUT)=1.7V, TJ=25°C
TJ=125°C
(VIN -VOUT)=3V, TJ=25°C
TJ=125°C
(VIN -VOUT)=3V, IOUT=10mA, TJ=0 ~125°C
Adjust
Pin
Current
Change
APL1085
1.5V≤
(VIN
-VOUT)≤5.75V,
10mA≤
IOUT≤
3A
Minimum Load Current
APL1085
1.5V≤ (VIN -VOUT)≤5.75V, TJ=0∼125°C
Quiescent Current APL1085-33 VIN =5V
Ripple Rejection
F=120Hz, COUT=22µF, Tant, (VIN -VOUT)=3V,
IOUT=3A
Long -Term Stability
TJ =125°C, 1000Hrs.
RMS Output Noise (% of VOUT) TJ=25°C, 10Hz≤F≤10kHz
Thermal Resistance Junction to
Case
Min.
-
4.5
3.5
5.0
4.0
-
-
-
-
60
-
-
-
APL1085
Typ.
1.3
6.0
5.0
6.5
5.5
60
0.2
2
8
-
0.03
0.003
-
Max.
1.4
-
-
120
5
10
13
-
1.0
-
3.0
Unit
V
A
µA
µA
mA
mA
dB
%
%
°C/ W
Note 3 : See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulations are
measured at a constant junction temperature by low duty cycle pulse testing.
Typical Application Circuit
Typical Regulator
VIN (2.75V~7V)
10µ F +
C1
APL1085
VOUT (1.250V/ 3A)
+
Solid Tantalum
C2*
5V to 3.3V Regulator
VIN (5V)
10µ F +
C1
*Required for stability
APL1085:C2=10µF
* R1 is typically in range of 100Ω to 120Ω
APL1085
R1
VOUT (3.3V/ 3A)
+
Solid Tantalum
C2*
R2
R1/(R1+R2)=1.250V/3.3V
Copyright © ANPEC Electronics Corp.
3
Rev. B.10 - Nov., 2012
www.anpec.com.tw
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