78DxxA
Linear Integrated Circuit
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-010,F
3
ABS OLUAT E MAX IUM RAT INGS
(Ta = 25
℃
,unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
35
40
1
Internally Limited
-40 ~ +85
0~+125
-40 ~ +150
UNIT
V
OUT
=3.3~18V
V
OUT
=20~24V
Input Voltage
V
IN
V
Output Current
Power Dissipation
Operating Temperature Range
Operating Junction Temperature
Storage Temperature Range
Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device
could be damaged beyond Absolute maximum ratings.
2. The device is guaranteed to meet performance specifications within 0
℃
~70
℃
operating temperature range
and assured by design from –40
℃
~85
℃
.
3.The maximum steady state usable output current are dependent on input voltage, heat sinking, lead length
of the package and copper pattern of PCB. The data are showed as electrical characteristics table
represents pulse test conditions with junction temperatures specified at the initiation of test.
I
OUT
P
D
T
OPR
T
J
T
STG
A
W
°
C
°
C
°
C
ELECT RICAL CHARACT ERIS T ICS
(T
J
=25
℃
, P
D
≦
15W, unless otherwise specified)
For 78D33A
(V
IN
=5.8V, I
OUT
=0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER
SYMBOL
TEST CONDITIONS
I
OUT
=5mA ~ 1.0A
V
IN
=5.8~18.3V, I
OUT
=5mA~1.0A
I
OUT
=5mA~1.0A
I
OUT
=0.25A~0.75A
V
IN
=5.8~18.3V
V
IN
=5.8~18.3V, I
OUT
=1.0A
I
OUT
≦
1.0A
V
IN
=5.8~18.3V
I
OUT
=5mA~1.0A
10Hz
≦
f
≦
100kHz
I
OUT
=5mA
V
IN
=6.3~16.3V,f=120Hz
V
IN
=35V
MIN
3.168 3.30 3.432
3.135
55
-0.4
57
1.8
250
2.0
TYP
MAX
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μ
V
mV/
°
C
dB
A
mA
V
Output Voltage
V
OUT
3.465
33
17
33
33
8.0
1.0
0.5
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
V
OUT
/
T
RR
I
PEAK
I
SC
V
D
For 78D47A
(V
IN
=9.7V, I
OUT
=0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER
SYMBOL
TEST CONDITIONS
I
OUT
=5mA~1.0A
V
IN
=5.8~18.3V, I
OUT
=5mA~1.0A
I
OUT
=5mA~1.0A
I
OUT
=0.25A~0.75A
V
IN
=5.8~18.3V
V
IN
=5.8~18.3V, I
OUT
=1.0A
I
OUT
≦
1.0A
V
IN
=5.8~18.3V
I
OUT
=5mA~1.0A
10Hz
≦
f
≦
100kHz
I
OUT
=5mA
V
IN
=6.3~16.3V,f=120Hz
V
IN
=35V
MIN
4.512 4.70 4.888
4.465
40
-0.6
62
80
1.8
250
2.0
TYP MAX
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μ
V
mV/
°
C
dB
A
mA
V
Output Voltage
V
OUT
4.935
47
24
47
47
8.0
1.0
0.5
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
V
OUT
/
T
RR
I
PEAK
I
SC
V
D