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TPS73225DCQRG4 参数 Datasheet PDF下载

TPS73225DCQRG4图片预览
型号: TPS73225DCQRG4
PDF下载: 下载PDF文件 查看货源
内容描述: 无电容, NMOS , 250毫安低压差稳压器具有反向电流保护 [Cap-Free, NMOS, 250mA Low Dropout Regulator with Reverse Current Protection]
分类和应用: 线性稳压器IC调节器电源电路光电二极管输出元件信息通信管理
文件页数/大小: 23 页 / 679 K
品牌: TI [ TEXAS INSTRUMENTS ]
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www.ti.com
SBVS037I – AUGUST 2003 – REVISED MAY 2006
TYPICAL CHARACTERISTICS
For all voltage versions at T
J
= 25°C, V
IN
= V
OUT(nom)
+ 0.5V, I
OUT
= 10mA, V
EN
= 1.7V, and C
OUT
= 0.1µF, unless otherwise
noted.
LOAD REGULATION
0.5
0.4
0.3
Change in V
OUT
(%)
0.2
0.1
0
−0.1
−0.2
−0.3
−0.4
−0.5
0
50
100
150
200
250
I
OUT
(mA)
Referred to I
OUT
= 10mA
−40_C
+25_C
+125
_
C
0.15
Change in V
OUT
(%)
0.10
0.05
0
−0.05
−0.10
−0.15
−0.20
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
V
IN
V
OUT
(V)
−40_
C
+125_C
+25_ C
0.20
Referred to V
IN
= V
OUT
+ 0.5V at I
OUT
= 10mA
LINE REGULATION
Figure 3.
DROPOUT VOLTAGE
vs OUTPUT CURRENT
100
TPS73225DBV
80
+125_ C
V
DO
(mV)
V
DO
(mV)
60
+25_ C
60
80
100
TPS73225DBV
I
OUT
= 250mA
Figure 4.
DROPOUT VOLTAGE
vs TEMPERATURE
40
40
20
−40_C
0
0
50
100
150
200
250
I
OUT
(mA)
20
0
−50
−25
0
25
50
75
100
125
Temperature (_C)
Figure 5.
OUTPUT VOLTAGE ACCURACY HISTOGRAM
30
I
OUT
= 10mA
25
14
Percent of Units (%)
20
15
10
5
2
0
−1.0
−0.9
−0.8
−0.7
0.6
−0.5
−0.4
0.3
−0.2
−0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
Percent of Units (%)
12
10
8
6
4
18
16
I
OUT
= 10mA
All Voltage Versions
Figure 6.
OUTPUT VOLTAGE DRIFT HISTOGRAM
V
OUT
Error (%)
Figure 7.
6
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
10
20
30
40
50
60
70
80
90
100
Worst Case dV
OUT
/dT (ppm/
_
C)
Figure 8.