PQ1PF1 Datasheet, PDF (1/14 Pages) Sharp Electrionic Components – Primary Regulator for Switching Power Supply (50W Class)

Primary Regulators
PQ1PF1
PQ1PF1
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
10.2MAX
φ3.2±0.1
(Unit : mm)
4.5±0.2
2.8±0.2
s Applications
¡Switching power supplies for VCRs
¡Switching power supplies for word processors
PQ1PF1
(1.5)
5-0.8±0.1 ^(0.5)
4-(1.7)
(5.0)
3.2±0.5
8.2±0.7
1q 2q 3q 4q 5q
· ( ) : Typical value
· Radius of lead forming portion
R=TYP.1.0
1 Drain (VDS)
2 GND
3 Control (CA)
4 Feed back (FB)
5 Supply voltage (VCC)
s Absolute Maximum Ratings
Parameter
Drain-GND(source)voltage
Drain current
*1 _{Power supply voltage}
*2 _{FB terminal input voltage}
CA terminal input current
*3 _{Power dissipation}
*4 _{Junction temperature}
Operating temperature
Storage temperature
Soldering temperature
*1 Voltage between VCC terminal and GND terminal.
*2 Voltage between FB terminal and GND terminal.
*3 PD1:No heat sink, PD2:With infinite heat sink
*4 Overheat protection may operate at 125=<Tj=<150˚C
Symbol
VDS
ID
VCC
VFB
ICA
PD1
PD2
Tj
Topr
Tstg
Tsol
(Ta=25˚C)
Rating
Unit
500
V
4.5
A
35
V
4
V
2
mA
2
W
20
W
150
˚C
-20 to +80
˚C
-40 to +150 ˚C
260 (For 10s) ˚C
· 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. ”