參數(shù)資料
型號: PQ15RF1F
英文描述: VOLT REGULATOR|FIXED|+15.7V|BIPOLAR|ZIP|4PIN|PLASTIC
中文描述: 伏特調(diào)壓器|定額| 15.7V |雙極|郵政編碼| 4芯|塑料
文件頁數(shù): 2/5頁
文件大小: 55K
代理商: PQ15RF1F
Low Power-Loss Voltage Regulators
PQ15RF15/PQ15RF16
Fig.4
Overcurrent Protection
Characteristics (Typical Value)
Parameter
Symbol
Conditions
V
O
R
eg
L
R
eg
I
T
C
V
O
RR
V
i
-
O
V
C
(
ON
)
I
C
(
ON
)
V
C
(
OFF
)
I
C
(
OFF
)
I
qs
MAX.
16.48
16.09
2.0
2.5
0.5
20
0.8
0.4
10
TYP.
15.7
15.7
0.2
0.2
±
0.01
65
0.2
6
MIN.
14.92
15.31
45
2.0
PQ15RF15
PQ15RF16
I
O
=5mA to 1.0A
V
N
=17 to 27V
T
j
=0 to 125
C
Refer to Fig. 2
3
I
O
=0.5A
4
V
C
=2.7V
V
C
=0.4V
I
O
=0A
I
Electrical Characteristics
3
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
4
In case of opening control terminal
, output voltage turns on.
(Unless otherwise specified, condition shall be V
IN
=18V, I
0
=0.5A, T
a
=25
C)
V
%
%
%/
C
dB
V
V
μ
A
V
mA
mA
Output voltage
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Output OFF-state consumption current
Unit
Fig.1
Test Circuit
Fig.3
Power Dissipation vs. Ambient
Temperature
0
20
0
P
D1
P
D2
P
D1
:No heat sink
P
D2
:With infinite heat sink
50
100
150
5
10
15
20
P
D
(
Ambient temperature T
a
(
C)
0
1.0
2.0
3.0
100
80
40
60
20
0
R
Output current
I
O
(A)
Fig.2
Test Circuit of Ripple Rejection
Note)
Oblique line portion : Overheat protection may operate in this area.
A
V
A
A
V
IN
I
q
I
C
I
O
V
O
V
C
R
L
0.33
μ
F
47
μ
F
+
1
2
4
3
V
e
i
V
IN
I
O
e
o
R
L
0.33
μ
F
47
μ
F
+
+
f=120Hz(sine wave)
e
i(rms)
=0.5V
RR=20 log(e
i(rms)
/e
o(rms)
)
1
2
4
3
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