參數(shù)資料
型號: PQ20WZ51SERIES
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): 3/6頁
文件大?。?/td> 81K
代理商: PQ20WZ51SERIES
Low Power-Loss Voltage Regulators
PQ20WZ51/PQ20WZ11
Fig. 5 Overcurrent Protection
Characteristics (Typical Value)
(PQ20WZ11)
4
V
O
=3.3V
Fig. 6 Output Voltage Adjustment
Characteristics
0
0.5
Output current I
O
(A)
1.0
1.5
2.0
3
2
1
0
O
O
(
V
i
O
=2V
V
i
O
=3V
V
i
O
=0.5V
V
i
O
=1V
R
2
(k
)
O
O
(
0.1
1
100
10
R
1
=2k
0
5
10
15
20
Fig. 7 Reference Voltage Deviation vs.
Junction Temperature (Typical Value)
V
IN
=7V
V
O
=3.3V(R
1
=2k
,R
2
=0.5k
)
I
O
=0.3A (
PQ20WZ51
)
=0.5A (
PQ20WZ11
)
Fig. 8 Output Voltage vs. Input Voltage
(PQ20WZ51)
R
1
=2k
,R
2
=0.5k
Fig. 9 Output Voltage vs. Input Voltage
(PQ20WZ11)
R
1
=2k
,R
2
=0.5k
Fig.10 Dropout Voltage vs. Junction
Temperature (PQ20WZ51)
0.2
V
IN
=3.135V, Vc=2.7V, R
1
=2k
, R
2
=500
, I
O
=0.3A
0
25
50
75
100
125
15
20
25
5
5
0
15
10
10
20
25
R
V
r
(
Junction temperature T
j
(
C)
25
PQ20WZ51
PQ20WZ11
O
O
(
Input voltage V
IN
(V)
0
1
2
3
5
6
7
8
4
R
L
=6.6
R
L
=
1
0
2
5
6
7
3
4
8
R
L
=11
V
C
=2.7V , C
i
=0.33
μ
F , C
0
=47
μ
F
T
j
=25
C
O
O
(
Input voltage V
IN
(V)
0
1
2
3
5
6
7
8
4
R
L
=3.3
R
L
=
1
0
2
5
6
7
3
4
8
R
L
=6.6
V
C
=2.7V , C
i
=0.33
μ
F , C
0
=47
μ
F
T
j
=25
C
Junction temperature T
j
(
C)
D
i
O
(
25
0
25
50
75
100
125
0.14
0.13
0.12
0.11
0.1
0.15
0.16
0.17
0.18
0.19
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