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WT78L09 Datasheet(PDF) 4 Page - Weitron Technology

Part # WT78L09
Description  Positive Voltage Regulator
PDF  7 Pages
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Manufacturer  WEITRON [Weitron Technology]
Direct Link  http://www.weitron.com.tw
Logo WEITRON - Weitron Technology

WT78L09 Datasheet(HTML) 4 Page - Weitron Technology

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WEITRON
http://www.weitron.com.tw
4/7
05-Nov-2010
WT78L12 (Refer to the test circuits, Tj=0~125°C, IO=40mA, Vin=19V, Cin=0.33µF, CO=0.1µF unless otherwise specified)
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
WT78L15 (Refer to the test circuits, Tj=0~125°C, IO=40mA, Vin=23V, Cin=0.33µF, CO=0.1µF unless otherwise specified)
15
14.4
14.25
15.6
15.75
25
15
-
-
150
75
mV
Load Regulation
j=25°C
Quiescent Current
j=25°C
65
58
-
-
300
250
mV
VO
4.6
-
6.5
mA
IQ
Quiescent Current Change
-
-
-
-
1.5
0.1
mA
Q
Output Noise Voltage
82
-
-
µV
Vn
Dropout Voltage
1.7
-
-
V
VD
Ripple Rejection
j=0-125°C
39
-
dB
RR
17.5V<=V <=30V,
in
IO=1mA~40mA,Tj=0-125°C
IO =1mA~70mA, Tj=0~125°C
14.25
15
15
15.75
I
I
∆VO
17.5V<=V <=30V,
in
19V<=V <=30V,
in
∆VO
T
∆I
19V<=V <=30V,
in
Tj=0-125°C
1mA<=I O<=40mA,Tj =0-125°C
10Hz<=f<=100KHz, T =25°C
18.5V<=V <=28.5V,
in
T =25°C
j=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
12
11.5
11.4
12.5
12.6
22
13
-
-
100
50
mV
Load Regulation
j =25°C
Quiescent Current
j=25°C
55
49
-
-
250
200
mV
VO
4.3
-
6.5
mA
IQ
Quiescent Current Change
-
-
-
-
1.5
0.1
mA
Q
Output Noise Voltage
70
-
-
µV
Vn
Dropout Voltage
1.7
-
-
V
VD
Ripple Rejection
j=0-125°C
42
-
dB
RR
14V<=V <=27V,
in
IO=1mA~40mA,Tj=0-125°C
IO =1mA~70mA, Tj=0~125°C
11.4
12
12
12.6
I
I
∆VO
14.5V<=V <=27V,
in
16V<=V <=27V,
in
∆VO
T
∆I
16V<=V <=27V,
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
37
V =23V,
in
V =23V,
in
V =23V,
in
O=40mA,
I
O=40mA,
I
O=40mA,
I
34
WT78LXXG



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