BA178M!!T / BA178M!!FP series

Regulator ICs

"

"

"

"

Measurement circuits

V

OUTPUT

INPUT

COMMON

0.1

µF

0.33

µF

100

µF

V

10

Ω5W

f=120Hz

Ripple rejection ratioR.R.=20 log

()

Fig. 2

Measurement circuit for ripple rejection ratio

Fig. 3 Measurement circuit for output noise voltage

OUTPUT

INPUT

COMMON

0.1

0.33

µF

Noise

meter

BPF

10Hz

~

100kHz

10

µF

+

µF

Fig. 4

Measurement circuit for Minimum

I/O voltage differential

V

OUTPUT

INPUT

COMMON

0.1

µF

0.33

µF

V

500mA

∆V=

100mV

Fig. 5

Measurement circuit for bias current

and bias current change

V

0.1

µF

0.33

µF

A

OUTPUT

INPUT

COMMON

Fig. 6

Measurement circuit for

A

OUTPUT

INPUT

COMMON

0.1

µF

0.33

µF

V

OUTPUT

INPUT

COMMON

0.1

µF

Fig. 1

Measurement circuit for output voltage,

input stability, load regulation,

temperature coefficient of output voltage

"

"

"

"

Electrical characteristic curves

BA178M05T

10

8

6

4

2

0

0.2

0.4

0.6

0.8

1.0

Fig. 7 Current limit characteristics

JUNCTION TEMPERATURE : Tj (

°C)

6

5

4

3

2

1

0

25

50

75

100

125

150

175

200

BA178M05T

Fig. 8 Thermal cutoff circuit

characteristics

25

20

15

10

5

0

25

50

75

100

125

150

(3) 6.5

(4) 2.0

AMBIENT TEMPERATURE : Ta (

°C)

(1) 22.0

(2) 11.0

Fig.9 Thermal derating characteristic

(TO220FP)

(1) Infinite heat sink,

°C / W)

(2) 100

(3) 50

(4) No heat sink

°C / W)