Primary Regulators
PQ1PD1
PQ1PD1
s
Features
(Under Development)
Primary Regulator for Switching Power Supply (100W Class)
s
Outline Dimensions
(Unit : mm)
¡5
- terminal lead forming package (equivalent to TO-3P)
¡Built-in
oscillation circuit (oscillation frequency : 100kHz)
¡Output
for power supply : 100W class
¡Built-in
overheat protection, overcurrent protection function
MAX 17
φ3.2
4.5±0.2
2.0±0.2
PQ1PD1
(33.0)
¡Switching
power supplies for word processors
¡Switching
power supplies for personal computers
¡Switching
power supplies for TVs
4-(2.54)
1 2 3 4 5
q q q q q
(0.5)
3.2±0.5
8.2±0.7
( ) : Typical dimensions
1
Drain (V
DS
)
2
GND
3
Control (CA)
4
Feed back (FB)
5
Supply voltage (V
CC
)
s
Absolute Maximum Ratings
*1
(T
a
=25˚C)
Symbol
V
DS
I
D
V
CC
V
FB
I
CA
P
D
T
j
T
opr
T
stg
T
sol
Rating
500
8
35
4
2
45
150
-20 to +80
-40 to +150
260 (For 10s)
Unit
V
A
V
V
mA
W
˚C
˚C
˚C
˚C
*2
*3
*4
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.
With infinite heat sink, Refer to Fig. 2
Overheat protection may operate at 125=<T
j
=<150˚C
*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. ”
MIN 5
(0.6)
5.0
8.0±0.2
23.5±0.7
s
Applications
Primary Regulators
PQ1PD1
s
Electrical Characteristics
(Unless otherwise specified, conditions shall be V
DS
=10V,V
CC
=18V,V
CA
=OPEN,V
FB
=2.2V,R
L
=56Ω, T
a
=25˚C)
Symbol
R
DS
(
ON
)
I
DSS
fo
∆fo
fo
L
D
MAX
V
FBL
V
FB FC
V
FBH
V
FB OCP
I
FB
V
CAL
V
CAH
V
CA(ON/OFF)
V
CA FC
V
CA(OVP)
I
CAIN
I
D(OVP)
V
CC(ON)
V
CC(OFF)
I
CC(ST)
I
CC(OFF)
I
CC(OP)
I
CA(CHG)
Conditions
I
D
=2A
V
DS
=500V,V
CC
=7V
T
j
=0 to 125˚C
V
CA
=5V
Duty=0%
Duty=D
MAX
V
CA
=6V
V
FB
=GND
Duty=0%
Duty=D
MAX
MIN.
-
-
90
-
23
42
-
-
-
2.6
-800
-
-
0.49
-
7.2
20
-
15.5
8.5
-
-
-
-15
TYP.
0.75
-
100
±5
33
45
0.9
1.1
1.8
2.8
-620
0.9
1.8
0.6
4.3
7.7
36
4.8
17.0
9.3
100
0.6
12
-10
MAX.
1.0
250
110
-
43
50
-
-
-
3.1
-440
-
-
0.74
-
8.2
52
-
18.5
10.1
150
1.8
24
-5
Unit
Ω
µA
kHz
%
kHz
%
V
V
V
V
µA
V
V
V
V
V
µA
A
V
V
µA
mA
mA
µA
Parameter
Drain-source onstate resistance
Drain-source leakage current
Oscillation frequency
Temperature change in oscillation frequency
Declining 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
V
FB
=1V,V
CA
=6V
V
DS
=OPEN,V
FB
=OPEN
V
DS
=OPEN,V
FB
=OPEN
V
DS
=OPEN,V
CC
=14V,
V
DS
=OPEN,V
CA
=GND
V
CA
=GND,V
FB
=OPEN
Fig. 1 Test Circuit
C
IN
100µF
0.01µF
Fig. 2 Power Dissipation vs. Ambient
Temperature
50
+
A
V
CC
V
FB
A
V
CA
A
V
DS
Power dissipation P
D
(W)
A
5
q
1
q
PQ1PD1
4
q
3
q
2
q
R
L
40
30
20
10
0
-20
agram
s
Block Diagram
CA
3
←
Low voltage
malfunction
prevention circuit
Cut-off voltage
detecting circuit
OFF voltage
detecting circuit
Frequency
conversion
circuit
Overheat
detection
circuit
Constant
voltage
source
V
CC
5
V
DS
1
,,,
,,,
,,,
0
20
40
60
80
Ambient temperature T
a
(˚C)
Note) Oblique line portion : Overheat
protection may operate in this area.
OSC
RQ
S
FB 4
Overload
cut-off voltage
detecting circuit
PWM
+
-
-
-
Drive
circuit
Overcurrent
detecting
circuit
DET
2
GND
Discrete Device
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