AN78Lxx/AN78LxxM Series
I Main Characteristics
PD Ta (AN78Lxx series)
PD Ta (AN78LxxM series)
VDIF(min) Tj
1.0
1.0
2.5
Mounted on standard board
(glass epoxy: 20mm × 20mm × t1.7mm
with Cu foil of 1cm2 or more)
0.8
Independent IC
0.8
2.0
1.5
1.0
0.5
0
without a heat sink
Rth(j-a) = 190°C/W
PD = 658mW (25°C)
0.6
0.4
0.2
0
0.6
0.4
0.2
0
120 140 160
20 40
60 80 100
0
20 40 60 80 100 120 140 160
0
25
50
75
100
125
0
(°
)
(° )
Ambient temperature Ta C
Ambient temperature Ta
C
Junction temperature Tj (°C)
RR f
Input transient response
Load transient response
100
80
60
40
20
0
20
15
10
5
AN78L05
AN78L05
AN78L05
VI = 8 to 18V
IO = 40mA
0.2
0.1
0
10
0
1
0
−10
−20
−1
−2
10
100
1k
10k
100k
0
2
4
6
8
10
0
10
20
30
40
50
Frequency f (Hz)
Time t (µs)
Time t (µs)
IBias Ta
3.0
2.5
2.0
1.5
1.0
0.5
0
AN78L05
IO = 5mA
VIN = 28V
18V
10V
－25
0
25
50
75
100 125
(°
)
C
Ambient temperature Ta
SFF00005CEB
9
PANASONIC [ PANASONIC ]
