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WT78L18 Datasheet(PDF) 3 Page - Weitron Technology

Part # WT78L18
Description  Positive Voltage Regulator
Download  7 Pages
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Manufacturer  WEITRON [Weitron Technology]
Direct Link  http://www.weitron.com.tw
Logo WEITRON - Weitron Technology

WT78L18 Datasheet(HTML) 3 Page - Weitron Technology

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WEITRON
http://www.weitron.com.tw
3/7
05-Nov-2010
Parameter
Symbol
Min
Typ
Max
Unit
V
Output Voltage
Tj=25°C
Line Regulation
O=1~100mA, Tj=25°C
O=1~40mA, Tj=25°C
WT78L08 (Refer to the test circuits, Tj=0~125°C, IO=40mA, Vin=14V, Cin=0.33µF, CO=0.1µF unless otherwise specified)
8.0
7.7
7.6
8.3
8.4
18
10
-
-
80
40
mV
Load Regulation
j=25°C
Quiescent Current
j=25°C
42
36
-
-
175
125
mV
VO
4
-
6.0
mA
IQ
Quiescent Current Change
-
-
-
-
1.5
0.1
mA
Q
Output Noise Voltage
54
-
-
µV
Vn
Dropout Voltage
1.7
-
-
V
VD
Ripple Rejection
j=0-125°C
46
37
-
dB
RR
10.5V<=V <=23V,
in
IO=1mA~40mA,Tj=0-125°C
IO =1mA~70mA, Tj=0~125°C
7.6
8.0
8.0
8.4
I
I
∆VO
10.5V<=V <=23V
in
11V<=V <=23V,
in
∆VO
T
∆I
11V<=V <=23V,
in
Tj=0-125°C
1mA<=I O<=40mA,Tj =0-125°C
10Hz<=f<=100KHz, T =25°C
13V<=V <=23V,
in
T =25°C
Parameter
Symbol
Min
Typ
Max
Unit
V
Output Voltage
Tj=25°C
Line Regulation
O=1~100mA, Tj=25°C
O=1~40mA, Tj=25°C
WT78L09 (Refer to the test circuits, Tj=0~125°C, IO=40mA, Vin=16V, Cin=0.33µF, CO=0.1µF unless otherwise specified)
9.0
8.64
8.55
9.36
9.45
19
11
-
-
90
40
mV
Load Regulation
j=25°C
Quiescent Current
j=25°C
45
40
-
-
175
125
mV
VO
4.1
-
6.0
mA
IQ
Quiescent Current Change
-
-
-
-
1.5
0.1
mA
Q
Output Noise Voltage
58
-
-
µV
Vn
Dropout Voltage
1.7
-
-
V
VD
Ripple Rejection
j=0-125°C
45
-
dB
RR
12V<=V <=24V,
in
IO=1mA~40mA,Tj=0-125°C
IO =1mA~70mA, Tj=0~125°C
8.55
9.0
9.0
9.45
I
I
∆VO
12V<=V <=24V,
in
13V<=V <=24V,
in
∆VO
T
∆I
13V<=V <=24V,
in
Tj=0-125°C
1mA<=I O<=40mA,Tj =0-125°C
10Hz<=f<=100KHz, T =25°C
15V<=V <=25V,
in
T =25°C
j=25°C
-
WT78LXXG


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