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PQ05RF11 Datasheet(PDF) 6 Page - Sharp Corporation

Part # PQ05RF11
Description  1A Output Low Power-Loss Voltage Regulators
PDF  7 Pages
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Manufacturer  SHARP [Sharp Corporation]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Corporation

PQ05RF11 Datasheet(HTML) 6 Page - Sharp Corporation

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Low Power-Loss Voltage Regulators
Fig.19 Ripple Rejection vs. Input Ripple Frequency
(PQ05RF1/PQ05RF11/PQ09RF1/PQ09RF11/PQ12RF1/PQ12RF11)
Fig.21 Ripple Rejection vs. Output Current
Fig.20 Ripple Rejection vs. Input Ripple Frequency
(PQ05RF1V/PQ09RF1V/PQ12RF1V)
s Typical Application
PQ05RF1 Series
0
0.1
10
1
100
10
20
30
40
50
60
70
80
Input ripple frequency f (kHz)
IO=0.5A,ei=0.5Vrms,
VIN=7V(PQ05RF11/PQ05RF11)
VIN=15V(PQ09RF11/PQ09RF11)
VIN=18V(PQ12RF11/PQ12RF11)
0
0.1
10
1
100
10
20
30
40
50
60
70
80
Input ripple frequency f (kHz)
IO=0.5A,ei=0.5Vrms,
Cref=3.3
µF
VIN= 7V(PQ05RF1V)
VIN= 15V(PQ09RF1V)
VIN= 18V(PQ12RF1V)
30
0
0.5
1.0
40
50
60
70
80
Output current IO (A)
f=120Hz,ei=0.5Vrms,
Cref=3.3
µF(V Type)
VIN= 7V(PQ05RF1 Series)
VIN= 15V(PQ09RF1 Series)
VIN= 18V(PQ12RF1 Series)
PQ05RF1V/PQ09RF1V/PQ12RF1V
PQ05RF1/PQ05RF11
PQ09RF1/PQ09RF11
PQ12RF1/PQ12RF11
Specific IC
q
2
q
3
q
1
q
4
+
+
Specific IC
q
2
q
3
q
1
q
4
+
+
+
High or Open:Output ON
Low
:Output OFF
VIN
VO
CO
ON/OFF
signal
CMOS or TTL
VIN
VO
Cref
CO
R1
R2
R1'
R2'
VO=Vref X 1+ ---------------------¡---------------------
R2'XR2
R2'+R2
R1'+R1
R1'XR1
Vref =1.26V,R1' = 390
Ω
PQ05RF1V : R2' = 1.16k
Ω
PQ09RF1V : R2' = 2.40k
Ω
PQ12RF1V : R2' = 3.32k
Ω
(Note) R1' and R2' are built in a specific IC.
PQ05RF1/PQ05RF11 Series
PQ05RF1V Series



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