Primary Regulator for Switching Power Supply (50W Class)
s
Features
¡5-terminal
lead forming package (equivalent to TO-220)
¡Built-in
oscillation circuit
(oscillation frequency : TYP. 100kHz)
¡Output
for power supply : 50W class
¡Built-in
overheat protection, overcurrent protection, low voltage
mulfunction prevention function
s
Outline Dimensions
(Unit : mm)
10.2MAX
φ3.2±0.1
7.4±0.2
3.6±0.2
4.5±0.2
2.8±0.2
s
Applications
¡Switching
power supplies for VCRs
¡Switching
power supplies for word processors
(24.6)
PQ1PF1
(1.5)
2.0
5.0±0.5
5-0.8±0.1
(0.5)
3.2±0.5
4-(1.7)
(5.0)
8.2±0.7
· ( ) : Typical value
· Radius of lead forming portion
R=TYP.1.0
1
Drain (V
DS
)
2
GND
3
Control (CA)
4
Feed back (FB)
5
Supply voltage (V
CC
)
1q 3q 5
q
2q 4q
s
Absolute Maximum Ratings
Parameter
Drain-GND(source)voltage
Drain current
Power supply voltage
FB terminal input voltage
CA terminal input current
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
Voltage between V
CC
terminal and GND terminal.
Voltage between FB terminal and GND terminal.
P
D1
:No heat sink, P
D2
:With infinite heat sink
Overheat protection may operate at 125=<Tj=<150˚C
(T
a
=25˚C)
Symbol
V
DS
I
D
V
CC
V
FB
I
CA
P
D1
P
D2
T
j
T
opr
T
stg
T
sol
Rating
500
4.5
35
4
2
2
20
150
-20 to +80
-40 to +150
260 (For 10s)
Unit
V
A
V
V
mA
W
W
˚C
˚C
˚C
˚C
*1
*2
*3
*4
*1
*2
*3
*4
· 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. ”
4.4MIN
16.4±0.7
Primary Regulators
s
Electrical Characteristics
Parameter
Drain-source onstate resistance
Drain-source leakage current
Oscillation frequency
Temperature change in oscillation frequency
Maximum duty
FB threshold voltage
FB current
CA threshold voltage
CA sink current
Overcurrent detecting level
Operation starting voltage
Operation stopping voltage
Stand-by current
Output OFF-mode consumption current
Output-operating mode consumption current
Charging current
PQ1PF1
(Unless otherwise specified, conditions shall be V
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