Low Power-Loss Voltage Regulators
PQ05RF1 Series
PQ05RF1 Series
1A Output Low Power-Loss Voltage Regulators
s
Features
¡Compact
resin full-mold package
¡Low
power-loss (Dropout voltage:MAX.0.5V)
¡Built-in
ON/OFF control terminal
(PQ05RF1/PQ05RF11
series)
¡Built-in
output voltage minute adjustment terminal (Critical rate
of ripple rejection is improved.)
(PQ05RF1V
series)
¡Lead
forming type
(PQ05RF1A/1B
series) is also available.
s
Outline Dimensions
10.2MAX
4.5±0.2
(Unit : mm)
2.8±0.2
7.4±0.2
29.1MAX
PQ05RF1
4-1.4
+0.3
-0
13.5MIN
4-0.6
+0.2
-0.1
s
Model Line-ups
Output voltage
Output voltage
precision:±5%
Output voltage
precision:±2.5%
Minute adjustment
(Output voltage adjust-
ment range:±10%)
3-(2.54)
(0.5)
5Voutput
9Voutput 12Voutput
PQ05RF1 PQ09RF1 PQ12RF1
PQ05RF11 PQ09RF11 PQ12RF11
PQ05RF1V PQ09RF1V PQ12RF1V
Internal connection diagram
PQ05RF1/11series
1
DC input (V
IN
)
2
2
DC output (V
O
)
3
GND
4
ON/OFF control
4
terminal (V
C
)
PQ05RF1Vseries
1
DC input (V
IN
)
2
DC output (V
O
)
3
GND
4
Output voltage
minute
adjustment
terminal (V
ADJ
)
1 2 3 4
q q q q
s
Applications
¡Seris
power supply for various electronic equipment such as
VCRs and musical instruments
1
Specific IC
3
s
Equivalent Circuit Diagram
PQ05RF1series/PQ05RF11series
1
2
1
PQ05RF1Vseries
2
-
+
Reference
voltage
generation
circuit
-
+
Reference
voltage
generation
circuit
*ASO
protection
circuit
4
*ASO
protection
circuit
4
Output
ON/OFF
control circuit
Overheat
protection
circuit
*ASO:Area of Safety
Operation
Overheat
protection
circuit
3
3
· Please refer to the chapter“ Handling Precautions ”.
“ In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. ”
4.8MAX
15.6±0.5
(1.5)
φ3.2±0.1
3.6±0.2
SHARP [ SHARP ELECTRIONIC COMPONENTS ]
