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參數(shù)資料
| 型號： | PQ7RV4 |
| 廠商： | Sharp Corporation |
| 英文描述： | Variable Output (1.5 to 7V), 4.6A Output Low Power-loss Voltage Regulator |
| 中文描述： | 可變輸出（1.5至7V），4.6輸出低功率損耗的電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 39K |
| 代理商： | PQ7RV4 |
Low Power-Loss Voltage Regulators
PQ7RV4
0
-20
0
P
D1
P
D2
P
D1
:No heat sink
P
D2
:With infinite heat sink
20
40
60
80
5
10
15
20
P
D
(
Ambient temperature T
a
(C)
Parameter
Symbol
V
IN
V
O
R
eg
L
R
eg
I
V
ref
T
C
V
ref
RR
V
i
-
O(1)
V
i
-
O(2)
I
q
Conditions
-
-
Input voltage
Output voltage
Load regulation
Line regulation
Reference voltage
Temperature coefficient of reference voltage
Ripple rejection
Dropout voltage(1)
Dropout voltage(2)
Quiescent current
*4
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Unit
V
V
%
%
V
%/C
dB
V
V
mA
MAX.
10.0
7.0
2.0
2.5
1.275
-
-
0.5
1.0
17
TYP.
-
-
0.5
0.5
1.25
±0.01
55
-
-
-
MIN.
3.0
1.5
-
-
1.225
-
45
-
-
-
I
Electrical Characteristics
(Unless otherwise specified, conditions shall be V
IN
=5V,V
O
=3.3V(R
1
=2k
),Io=2.0A,T
a
=25C)
I
O
=5mA to 4.6A
V
IN
=4 to 10V
-
T
j
=0 to125C
-
*4
, I
O
=4.0A
*4
, I
O
=4.6A
I
O
=0A
Fig.2
Test circuit for Ripple Rejection
~
V
G
3
G
2
G
1
G
4
A
V
V
A
V
IN
I
q
2k
I
O
V
O
R
L
0.33
μ
F
47
μ
F
47
μ
F
+
V
ref
R
2
R
1
G
3
G
2
G
1
G
4
V
IN
e
i
e
o
2k
I
O
R
L
0.33
μ
F
+
R
2
R
1
+
f=120Hz (sine wave)
e
i
=0.5V
rms
V
O
=3V
V
IN
=5V (R
1
=2k
)
I
O
=0.5A
RR=20 log (e
i
/e
o
)
V
o
=V
ref
X
(1+R
2
/R
1
)
=1.25
X
(1+R
2
/R
1
)
[R
1
=2k
,V
re
=1.25V]
Fig.1
Test Circuit
Fig.3
Power Dissipation vs. Ambient
Temperature
Fig.4
Reference Voltage Deviation vs.
Junction Temperature
5
-5
-25
0
25
50
75
100
125
-3
-4
-1
1
3
2
-2
0
4
V
IN
=5V
V
O
=3.3V
R
1
=2k
I
O
=2A
R
V
O
(
Junction temperature T
j
(C)
Note) Oblique line portion:Overheat protection may operate
in this area.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PQ7RV4_01 | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:Variable Output(1.5 to 7V), 4.6A Output Low Power-loss Voltage Regulator |
| PQ7RV4J0000H | 功能描述:低壓差穩(wěn)壓器 - LDO LDO 1.5V to 7.0V 4A RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| PQ7VZ5 | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:Variable Output, Compact Surface Mount Type Low Power-Loss Voltage Regulators |
| PQ7VZ5U | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VOLT REGULATOR|ADJUSTABLE|+1.5 TO +7V|BIPOLAR|SIP|5PIN|PLASTIC |
| PQ8020 | 制造商:SEEQ 功能描述:ENCODER/DECODER, 20 Pin, Plastic, DIP |
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