78DXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-005. F
6
ELECT RICAL CHARACT ERIS T ICS (Cont.)
For 78D18
(V
IN
=27V, I
OUT
=0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER
SYMBOL
TEST CONDITIONS
I
OUT
=5mA~0.5A
V
IN
=21~33V,I
OUT
=5mA~0.5A
I
OUT
=5mA~0.5A
I
OUT
=5mA~200mA
V
IN
=21~33V
V
IN
=21~33V, I
OUT
=0.5A
I
OUT
=0.5A
V
IN
=21.5~33V
I
OUT
=5mA~0.5A
10Hz
≦
f
≦
100kHz
V
OUT
/
T I
OUT
=5mA
RR
V
IN
=22~32V,f=120Hz
I
PEAK
I
SC
V
IN
=35V
V
D
MIN
17.28
17.1
53
TYP
18
110
-2.2
69
1.2
250
2
MAX
18.72
18.9
180
90
180
180
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
uV
mV/
°
C
dB
A
mA
V
Output Voltage
V
OUT
Load Regulation
V
OUT
Line Regulation
V
OUT
Quiescent Current
I
Q
Quiescent Current Change
I
Q
Output Noise Voltage
Temperature coefficient of V
OUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
eN
For 78D24
(V
IN
=33V, I
OUT
=0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER
SYMBOL
TEST CONDITIONS
I
OUT
=5mA~0.5A
V
IN
=27~38V, I
OUT
=5mA~0.5A
I
OUT
=5mA~0.5A
I
OUT
=5mA~200mA
V
IN
=27~38V
V
IN
=27~38V, I
OUT
=0.5A
I
OUT
=0.5A
V
IN
=28~38V
I
OUT
=5mA~0.5A
10Hz
≦
f
≦
100kHz
V
OUT
/
T I
OUT
=5mA
RR
V
IN
=28~38V, f=120Hz
I
PEAK
I
SC
V
IN
=35V
V
D
MIN
23.04
22.8
50
TYP
24
170
-2.8
66
1.2
250
2
MAX
24.96
25.2
240
120
240
240
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
uV
mV/
°
C
dB
A
mA
V
Output Voltage
V
OUT
Load Regulation
V
OUT
Line Regulation
V
OUT
Quiescent Current
I
Q
Quiescent Current Change
I
Q
Output Noise Voltage
Temperature coefficient of V
OUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
eN
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exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
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presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.