BA17810T View Datasheet(PDF) -
| BA17810T Datasheet PDF : 0 Pages | |||
Regulator ICs
"Measurement circuits
INPUT OUTPUT
0.1µF
VIN
COMMON
IO
V
Fig. 1 Measurement circuit for output voltage,
input stability,load regulation,
temperature coefficient of output voltage
BA178!!T / FP series
V~ eIN
10Ω5W
100µF
VIN
0.33µF
INPUT OUTPUT
COMMON
0.1µF eOUT
V~
IO
eIN=1Vrms
f=120Hz
Ripple rejection ratio R.R. = 20 log
( ) eIN
eOUT
Fig. 2 Measurement circuit for ripple rejection rario
0.33µF
VIN
INPUT OUTPUT
0.1 µF
COMMON
10µF
+
BPF
10Hz∼
IO 100kHz
Noise
meter
0.33µF
VIN
V
INPUT OUTPUT
COMMON
0.1µF
IO
IA
V
∆V=
100mA
Fig. 3 Measurement circuit for output noise voltage
Fig. 4 Measurement circuit for Minimum
I / O voltage differential
INPUT OUTPUT
0.33 µF
0.1 µF
VIN
COMMON
IO
A
INPUT OUTPUT
0.33 µF
0.1 µF
VIN
COMMON
IO A
Fig. 5 Measurement circuit for bias
current and bias current change
Fig. 6 Measurement circuit for
Fig. 1 output short-circuit current
"Electrical characteristic curves
10
VIN=10V
BA17805T
8
6
4
2
0
1.0 1.2
1.4
1.6
1.8
2.0
OUTPUT CURRENT : IOUT (A)
Fig. 7 Current limit characteristics
6
VIN=10V, IOUT=0
BA17805T
5
4
3
2
1
0
25 50 75 100 125 150 175 200
JUNCTION TEMPERATURE : Tj (˚C)
Fig. 8 Thermal cutoff circuit
Fig. 2 characteristics
25
(1) 22.0
20
15
(2) 11.0
10
(3) 6.5
5
(4) 2.0
(1) Infinite heat sink, θj-c = 5.7 (˚C/W)
(2) 100×100×2 (mm3), with Al heat sink
(3) 50×50×2 (mm3), with Al heat sink
(4) No heat sink θj-a = 62.5 (˚C/W)
Note: With Al heat sink, tightening
torque = 6 kg/cm and silicon
grease as lubricant
0 25 50 75 100 125 150
AMBIENT TEMPERATURE : Ta (˚C)
Fig.9 Ta - power dissipation
characteristics (TO220)
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