參數(shù)資料
型號： PQ20RX11
英文描述： LOW POWER-LOSS VOLTAGE REGULATOR
中文描述： 低功率損耗的電壓調(diào)節(jié)器
文件頁數(shù)： 2/6頁
文件大?。?/td> 64K
代理商： PQ20RX11
Low Power-Loss Voltage Regulators
PQ20RX05/PQ20RX11
I
Electrical Characteristics
Fig. 4 Power Dissipation vs. Ambient
Temperature (PQ20RX11)
20
Fig. 1 Test Circuit
Fig. 2 Test Circuit of Ripple Rejection
Parameter
Symbol
V
IN
V
O
R
eg
L
R
eg
I
RR
V
ref
T
C
V
ref
V
i-O
I
q
V
C(ON)
I
C(ON)
V
C(OFF)
I
C(OFF)
I
qs
Conditions
––
––
MIN.
3.5
3.0
––
––
45
2.574
––
––
––
2.0
––
––
––
––
TYP.
––
––
––
––
––
2.64
±
1.0
––
––
––
––
––
––
––
MAX.
24
20
2.0
2.5
––
2.706
––
0.5
8
––
200
0.8
2.0
5.0
Unit
V
V
%
%
dB
V
%
V
mA
V
μ
A
V
μ
A
μ
A
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
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
4
PQ20RX05
: I
O
=0.3A,
PQ20RX11
: I
O
=0.5A
5
PQ20RX05
: I
O
=5mA to 0.5A,
PQ20RX11
: I
O
=5mA to 1.0A
6
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
7
In case of opening ON/OFF control terminal , output voltage turns off.
2
5
V
IN
=4 to 10V, Io=5mA
Refer to Fig. 2
––
Tj=0 to 125
C, Io=5mA
4
,
6
Io=0A
––
––
Io=0A
Io=0A, Vc=0.4V
Vc=0.4V
(Unless otherwise specified, V
IN
=5V, V
O
=3.3V,
4
, R
1
=2k
, R
2
=500
, V
C
=2.7V, T
a
=25
C)
7
V
A
V
IN
V
C
I
q
2k
I
O
V
O
R
L
47
μ
F
0.33
μ
F
+
R
2
R
1
V
O
=V
ref x
1+
–R
2
R
1
[R
1
=2k
,V
ref
Nearly=2.64V]
1
4
5
3
A
A
V
2
V
47
μ
F
V
IN
e
i
eo
2k
I
O
R
L
2.7V
0.33
μ
F
+
R
2
R
1
+
47
μ
F
f
=120Hz(sine wave)
e
i(rms)
=0.5V
I
O
=0.3A
RR=20 log(e
i(rms)
/e
o(rms)
)
V
IN
=5V
V
O
=3.3V(R
1
=2k
)
1
4
5
3
2
Fig. 3 Power Dissipation vs. Ambient
Temperature (PQ20RX05)
20
0
–
20
0
Ambient temperature T
a
(
C)
Note)
Oblique line portion : Overheat protection may operate in this area.
P
D1
P
D2
P
D1
:No heat sink
P
D2
:With infinite heat sink
50
80 100
150
5
10
15
P
D
(
0
–
25
0
Ambient temperature T
a
(
C)
Note)
Oblique line portion : Overheat protection may operate in this area.
P
D1
P
D2
P
D1
:No heat sink
P
D2
:With infinite heat sink
50
80 100
150
5
10
15
P
D
(
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參數(shù)描述
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