PQ1PF1 查看數據表（PDF） - Sharp Electronics
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PQ1PF1 Datasheet PDF : 14 Pages
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Primary Regulators
PQ1PF1
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
(Unless otherwise specified, conditions shall be VDS=10V,Vcc=18V,VCA=OPEN,VFB=2.2V, RL=56Ω, Ta=25˚C)
Symbol
RDS (on)
IDSS
fo
∆fo
DMAX
VFBL
VFBH
VFB(OCP)
IFB
VCAL
VCAH
VCA(ON/OFF)
VCA(OVP)
ICAIN
ID(OCP)
VCC(ON)
VCC(OFF)
ICC(ST)
ICC(OFF)
ICC(OP)
ICA(CHG)
Conditions
ID=2A
VDS=500V,Vcc=7V
VCA=GND,VFB=GND
Tj=0 to 125˚C
Duty=0%
Duty=DMAX
VCA=6V
VFB=GND
Duty=0%
Duty=DMAX
VFB=1V,VCA=6V
VDS=OPEN,VFB=OPEN
VDS=OPEN,VFB=OPEN
VDS=OPEN,Vcc=14V,
VFB=OPEN
VDS=OPEN,VCA=GND
VFB=OPEN
VCA=GND,VFB=OPEN
MIN. TYP. MAX. Unit
-
1.2
1.5
Ω
-
-
250
µA
90
100
110
kHz
-
±5
-
%
42
45
50
%
-
0.9
-
V
-
1.8
-
V
2.6
2.8
3.1
V
-800 -620 -440
µA
-
0.9
-
V
-
1.8
-
V
0.49
0.6
0.74
V
7.2
7.7
8.2
V
20
36
52
µA
-
2.5
-
A
15.5
17.0
18.5
V
8.5
9.3
10.1
V
-
100
150
µA
-
0.6
1.8
mA
-
10
18
mA
-15
-10
-5
µA
Fig. 1 Test circuit
A
VCC
CIN
100µF
+
0.01µF 5q
1q
PQ1PF1
4q
3q
2q
A
VFB
A
VCA
RL
A
VDS
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