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WT78L12

型号：

WT78L12

描述：

正电压稳压器[ Positive Voltage Regulator ]

品牌：

WEITRON[ WEITRON TECHNOLOGY ]

页数：

7 页

PDF大小：

879 K

下载PDF手册
WEITRON  
WT78LXXK  
Positive Voltage Regulator  
P b  
Lead(Pb)-Free  
1. OUT  
2. GND  
1
3. IN  
2
3
Features:  
SOT-89  
* Maximum Output current IO: 0.1 A  
* Output voltage VO: 5V~18V  
* Continuous total dissipation: PD: 0.5 W (Ta = 25˚C )  
Typical Application  
Vin  
Vout  
WT78LXX  
Gnd  
Cin  
0.33µF  
Cout  
0.1µF  
Absolute Maximum Ratings  
Parameter  
Ratings  
Unit  
30  
35  
WT78L05~09  
WT78L12~18  
Input Voltage  
V
Output Current  
mA  
mW  
°C  
100  
500  
Power Dissipation  
Operating Junction Temperature Range  
Storage temperature range  
0 ~ +125  
-55 ~ +150  
°C  
WEITRON  
hpp://www.weitron.com.tw  
1/7  
05-Nov-2010  
WT78LXXK  
Electrical Characteristics at Specified Virtual Junction Temperature  
WT78L05 (Refer to the test circuits, Tj=0~125°C, I =40mA, V =10V, C =0.33µF, C =0.1µF unless otherwise specified)  
O
in  
in  
O
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Output Voltage  
T =25°C  
4.8  
4.75  
4.75  
5.0  
5.0  
5.0  
5.2  
5.25  
5.25  
j
V
V
O
7V<=V <=20V, I  
=1mA~40mA,T  
O
=0-125°C  
in  
j
I
=0~125°C  
=1mA~70mA, T  
O
j
Load Regulation  
-
-
15  
8
60  
30  
=25°C  
=1~100mA, T  
I
I
j
O
∆V  
mV  
O
=1~40mA, T =25°C  
O
j
Line Regulation  
7V<=V <=20V  
-
-
32  
26  
150  
100  
in  
∆V  
mV  
mA  
O
=25°C  
8V<=V <=20V,  
in  
j
Quiescent Current  
=25°C  
I
Q
-
3.8  
6.0  
T
j
Quiescent Current Change  
8V<=V <=20V,  
T =0-125°C  
∆I  
-
-
-
-
1.5  
0.1  
in  
Q
j
mA  
µV  
1mA<=I <=40mA,T  
=0-125°C  
O
j
Output Noise Voltage  
V
-
42  
49  
-
-
n
T =25°C  
10Hz<=f<=100KHz,  
Ripple Rejection  
RR  
41  
dB  
=0-125°C  
8V<=V <=20V,  
in  
j
Dropout Voltage  
T =25°C  
V
-
1.7  
-
V
D
WT78L06 (Refer to the test circuits, Tj=0~125°C, I =40mA, V =11V, C =0.33µF, C =0.1µF unless otherwise specified)  
O
in  
in  
O
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Output Voltage  
T =25°C  
5.75  
5.7  
5.7  
6.0  
6.0  
6.0  
6.25  
6.3  
6.3  
j
V
V
O
8V<=V <=20V, I  
=1mA~40mA,T  
O
=0-125°C  
in  
j
I
=0~125°C  
=1mA~70mA, T  
O
j
Load Regulation  
-
-
16  
9
80  
40  
=25°C  
=1~100mA, T  
I
I
j
O
∆V  
mV  
O
=1~40mA, T =25°C  
O
j
Line Regulation  
8V<=V <=20V,  
-
-
35  
29  
175  
125  
in  
=25°C  
=25°C  
j
j
∆V  
mV  
mA  
O
9V<=V <=20V,  
in  
Quiescent Current  
=25°C  
I
Q
-
3.9  
6.0  
T
j
Quiescent Current Change  
9V<=V <=20V,  
T =0-125°C  
∆I  
-
-
-
-
1.5  
0.1  
in  
Q
j
mA  
µV  
1mA<=I <=40mA,T  
=0-125°C  
O
j
Output Noise Voltage  
V
-
46  
48  
-
-
n
T =25°C  
10Hz<=f<=100KHz,  
Ripple Rejection  
RR  
40  
dB  
=0-125°C  
9V<=V <=19V,  
in  
j
Dropout Voltage  
T =25°C  
V
-
1.7  
-
V
D
WEITRON  
http://www.weitron.com.tw  
05-Nov-2010  
2/7  
WT78LXXK  
WT78L08 (Refer to the test circuits, Tj=0~125°C, I =40mA, V =14V, C =0.33µF, C =0.1µF unless otherwise specified)  
O
in  
in  
O
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Output Voltage  
7.7  
7.6  
7.6  
8.0  
8.0  
8.0  
8.3  
8.4  
8.4  
T =25°C  
j
V
V
O
I
10.5V<=V <=23V,  
=1mA~40mA,T =0-125°C  
O
in  
j
I
=0~125°C  
=1mA~70mA, T  
O
j
Load Regulation  
-
-
18  
10  
80  
40  
=25°C  
=1~100mA, T  
I
I
j
O
∆V  
mV  
O
=1~40mA, T =25°C  
O
j
Line Regulation  
10.5V<=V <=23V  
-
-
42  
36  
175  
125  
in  
∆V  
mV  
mA  
O
=25°C  
11V<=V <=23V,  
in  
j
Quiescent Current  
I
Q
-
4
6.0  
=25°C  
T
j
Quiescent Current Change  
11V<=V <=23V,  
T =0-125°C  
j
∆I  
-
-
-
-
1.5  
0.1  
in  
Q
mA  
µV  
1mA<=I <=40mA,T  
=0-125°C  
O
j
Output Noise Voltage  
V
-
54  
46  
-
-
n
T =25°C  
10Hz<=f<=100KHz,  
Ripple Rejection  
RR  
37  
dB  
=0-125°C  
j
13V<=V <=23V,  
in  
Dropout Voltage  
T =25°C  
V
-
1.7  
-
V
D
WT78L09 (Refer to the test circuits, Tj=0~125°C, I =40mA, V =16V, C =0.33µF, C =0.1µF unless otherwise specified)  
O
in  
in  
O
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Output Voltage  
8.64  
8.55  
8.55  
9.0  
9.0  
9.0  
9.36  
9.45  
9.45  
T =25°C  
j
V
V
O
I
12V<=V <=24V,  
=1mA~40mA,T =0-125°C  
=0~125°C  
O
in  
j
I
=1mA~70mA, T  
O
j
Load Regulation  
-
-
19  
11  
90  
40  
=25°C  
=1~100mA, T  
I
I
j
O
∆V  
mV  
O
=1~40mA, T =25°C  
O
j
Line Regulation  
12V<=V <=24V,  
-
-
45  
40  
175  
125  
=25°C  
=25°C  
in  
j
∆V  
mV  
mA  
O
13V<=V <=24V,  
in  
j
Quiescent Current  
I
Q
-
4.1  
6.0  
=25°C  
T
j
Quiescent Current Change  
13V<=V <=24V,  
T =0-125°C  
j
∆I  
-
-
-
-
1.5  
0.1  
in  
Q
mA  
µV  
1mA<=I <=40mA,T  
=0-125°C  
O
j
Output Noise Voltage  
V
-
-
58  
45  
-
-
n
T =25°C  
10Hz<=f<=100KHz,  
Ripple Rejection  
RR  
dB  
=0-125°C  
j
15V<=V <=25V,  
in  
Dropout Voltage  
T =25°C  
V
-
1.7  
-
V
D
WEITRON  
http://www.weitron.com.tw  
05-Nov-2010  
3/7  
WT78LXXK  
WT78L12 (Refer to the test circuits, Tj=0~125°C, I =40mA, V =19V, C =0.33µF, C =0.1µF unless otherwise specified)  
O
in  
in  
O
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Output Voltage  
11.5  
11.4  
11.4  
12  
12  
12  
12.5  
12.6  
12.6  
T =25°C  
j
V
V
O
I
14V<=V <=27V,  
=1mA~40mA,T =0-125°C  
=0~125°C  
O
in  
j
I
=1mA~70mA, T  
O
j
Load Regulation  
-
-
22  
13  
100  
50  
=25°C  
=1~100mA, T  
I
I
j
O
∆V  
mV  
O
=1~40mA, T =25°C  
O
j
Line Regulation  
14.5V<=V <=27V,  
-
-
55  
49  
250  
200  
=25°C  
=25°C  
in  
j
∆V  
mV  
mA  
O
16V<=V <=27V,  
in  
j
Quiescent Current  
I
Q
-
4.3  
6.5  
=25°C  
T
j
Quiescent Current Change  
16V<=V <=27V,  
T =0-125°C  
j
∆I  
-
-
-
-
1.5  
0.1  
in  
Q
mA  
µV  
1mA<=I <=40mA,T  
=0-125°C  
O
j
Output Noise Voltage  
V
-
70  
42  
-
-
n
T =25°C  
10Hz<=f<=100KHz,  
Ripple Rejection  
RR  
dB  
37  
-
=0-125°C  
j
15V<=V <=25V,  
in  
Dropout Voltage  
T =25°C  
V
1.7  
-
V
D
WT78L15 (Refer to the test circuits, Tj=0~125°C, I =40mA, V =23V, C =0.33µF, C =0.1µF unless otherwise specified)  
O
in  
in  
O
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Output Voltage  
T =25°C  
14.4  
14.25  
14.25  
15  
15  
15  
15.6  
15.75  
15.75  
j
V
V
O
I
17.5V<=V <=30V, =1mA~40mA,T =0-125°C  
O
in  
j
I
=0~125°C  
V =23V,  
in  
=1mA~70mA, T  
O
j
Load Regulation  
-
-
25  
15  
150  
75  
=25°C  
=1~100mA, T  
I
I
V =23V,  
V =23V,  
in  
in  
j
O
O
∆V  
mV  
O
=1~40mA, T =25°C  
j
Line Regulation  
-
-
65  
58  
300  
250  
17.5V<=V <=30V,  
=40mA,  
I
=25°C  
=25°C  
in  
O
j
∆V  
mV  
mA  
O
19V<=V <=30V,  
=40mA,  
I
in  
j
O
Quiescent Current  
=25°C  
I
Q
-
4.6  
6.5  
T
j
Quiescent Current Change  
19V<=V <=30V,  
=40mA,  
O
I
T =0-125°C  
j
∆I  
-
-
-
-
1.5  
0.1  
in  
Q
mA  
µV  
1mA<=I <=40mA,T  
=0-125°C  
O
j
Output Noise Voltage  
V
-
34  
-
82  
39  
-
-
n
T =25°C  
10Hz<=f<=100KHz,  
Ripple Rejection  
RR  
dB  
=0-125°C  
j
18.5V<=V <=28.5V,  
in  
Dropout Voltage  
T =25°C  
V
1.7  
-
V
D
WEITRON  
http://www.weitron.com.tw  
05-Nov-2010  
4/7  
WT78LXXK  
WT78L18 (Refer to the test circuits, Tj=0~125°C, I =40mA, V =26V, C =0.33µF, C =0.1µF unless otherwise specified)  
O
in  
in  
O
Parameter  
Symbol  
Min  
Typ  
Max  
Unit  
Output Voltage  
17.3  
17.1  
17.1  
18  
18  
18  
18.7  
18.9  
18.9  
T =25°C  
j
V
V
O
I
20.5V<=V <=33V,  
=1mA~40mA,T =0-125°C  
O
in  
j
I
=0~125°C  
=1mA~70mA, T  
O
j
Load Regulation  
-
-
27  
19  
180  
90  
=25°C  
=1~100mA, T  
I
I
j
O
∆V  
mV  
O
=1~40mA, T =25°C  
O
j
Line Regulation  
20.5V<=V <=33V,  
-
-
70  
64  
360  
300  
=25°C  
=25°C  
in  
j
∆V  
mV  
mA  
O
22V<=V <=33V,  
in  
j
Quiescent Current  
I
Q
-
4.7  
6.5  
=25°C  
T
j
Quiescent Current Change  
22V<=V <=33V,  
T =0-125°C  
j
∆I  
-
-
-
-
1.5  
0.1  
in  
Q
mA  
µV  
1mA<=I <=40mA,T  
=0-125°C  
O
j
Output Noise Voltage  
V
-
89  
36  
-
-
n
T =25°C  
10Hz<=f<=100KHz,  
Ripple Rejection  
RR  
32  
dB  
=0-125°C  
j
21.5V<=V <=31.5V,  
in  
Dropout Voltage  
T =25°C  
V
-
1.7  
-
V
D
WEITRON  
http://www.weitron.com.tw  
05-Nov-2010  
5/7  
WT78LXXK  
Typical Performance Characteristics  
WEITRON  
http://www.weitron.com.tw  
05-Nov-2010  
6/7  
WT78LXXK  
SOT-89 PACKAGE OUTLINE DIMENSIONS(Unit:mm)  
SOT-89  
A
Dim  
Min  
4.40  
4.05  
Max  
4.60  
4.25  
C
D
A
B
C
D
E
F
J
1.50  
1.30  
2.40  
0.89  
1.70  
1.50  
2.60  
1.20  
G
H
I
J
K
M
3.00 REF  
1.50 REF  
0.52  
K
H
I
0.40  
1.40  
0.35  
1.60  
0.41  
G
0.70 REF  
WEITRON  
http://www.weitron.com.tw  
05-Nov-2010  
7/7  
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