PQ1PD1 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
Manufacturer
PQ1PD1 Datasheet PDF : 2 Pages
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Primary Regulators
PQ1PD1
s Electrical Characteristics (Unless otherwise specified, conditions shall be VDS=10V,VCC=18V,VCA=OPEN,VFB=2.2V,RL=56Ω, Ta=25˚C)
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
Fig. 1 Test Circuit
Symbol
RDS (ON)
IDSS
fo
∆fo
foL
DMAX
VFBL
VFB FC
VFBH
VFB OCP
IFB
VCAL
VCAH
VCA(ON/OFF)
VCA FC
VCA(OVP)
ICAIN
ID(OVP)
VCC(ON)
VCC(OFF)
ICC(ST)
ICC(OFF)
ICC(OP)
ICA(CHG)
A
VCC
CIN
100µF
+
0.01µF 5q
1q
PQ1PD1
4q
3q
2q
A
VFB
A
VCA
s Block Diagram
agram
Conditions
MIN. TYP. MAX. Unit
ID=2A
-
0.75
1.0
Ω
VDS=500V,VCC=7V
-
-
250
µA
90
100
110
kHz
Tj=0 to 125˚C
-
±5
-
%
VCA=5V
23
33
43
kHz
42
45
50
%
Duty=0%
-
0.9
-
V
-
1.1
-
V
Duty=DMAX
-
1.8
-
V
VCA=6V
2.6
2.8
3.1
V
VFB=GND
-800 -620 -440
µA
Duty=0%
-
0.9
-
V
Duty=DMAX
-
1.8
-
V
0.49
0.6
0.74
V
-
4.3
-
V
7.2
7.7
8.2
V
VFB=1V,VCA=6V
20
36
52
µA
-
4.8
-
A
VDS=OPEN,VFB=OPEN
15.5
17.0
18.5
V
VDS=OPEN,VFB=OPEN
8.5
9.3
10.1
V
VDS=OPEN,VCC=14V,
-
100
150
µA
VDS=OPEN,VCA=GND
-
0.6
1.8
mA
-
12
24
mA
VCA=GND,VFB=OPEN
-15
-10
-5
µA
Fig. 2 Power Dissipation vs. Ambient
Temperature
50
,,, RL
40
A
,,, VDS
30
,,, 20
CA
VCC
3
5
VDS
1
10
FB 4
Frequency
conversion
circuit
Overheat
detection
circuit
Overload
cut-off voltage
detecting circuit
←
Low voltage
malfunction
prevention circuit
Cut-off voltage
detecting circuit
OFF voltage
detecting circuit
OSC
RQ
S
PWM
+-
-
-
DET
Constant
voltage
source
Drive
circuit
Overcurrent
detecting
circuit
0
-20 0
20 40 60 80
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat
protection may operate in this area.
2
GND
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