BA17810TSLASHFP datasheet(9/11 Pages) ROHM

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BA178!!T / FP series

Regulator ICs

Measurement circuits

0.1

µF

VIN

OUTPUT

INPUT

COMMON

Fig. 1

Measurement circuit for output voltage,

input stability,load regulation,

temperature coefficient of output voltage

0.1

µF

0.33

µF

100

µF

VIN

eOUT

eIN

Ω5W

eIN=1Vrms

f=120Hz

Ripple rejection ratio R.R. = 20 log

eIN

eOUT

OUTPUT

INPUT

COMMON

Fig. 2

Measurement circuit for ripple rejection rario

()

OUTPUT

INPUT

COMMON

0.1

0.33

µF

VIN

Noise

meter

BPF

10Hz

∼

100kHz

µF

Fig. 3

Measurement circuit for output noise voltage

OUTPUT

INPUT

COMMON

0.1

µF

0.33

µF

VIN

∆V=

100mA

Fig. 4

Measurement circuit for Minimum

I / O voltage differential

OUTPUT

INPUT

COMMON

0.1

0.33

VIN

µF

Fig. 5

Measurement circuit for bias

current and bias current change

OUTPUT

INPUT

COMMON

0.1

0.33

VIN

µF

Fig. 6 Measurement circuit for

Fig. 1 output short-circuit current

Electrical characteristic curves

OUTPUT CURRENT : IOUT (A)

VIN=10V

BA17805T

1.0

1.2

1.4

1.6

1.8

2.0

Fig. 7 Current limit characteristics

JUNCTION TEMPERATURE : Tj (˚C)

100

125

150

175

200

VIN=10V, IOUT=0

BA17805T

Fig. 8 Thermal cutoff circuit

Fig. 2 characteristics

100

125

150

(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)

(3) 6.5

(4) 2.0

AMBIENT TEMPERATURE : Ta (˚C)

(1) 22.0

(2) 11.0

Fig.9 Ta - power dissipation

characteristics (TO220)

Note: With Al heat sink, tightening

torque = 6 kg/cm and silicon

grease as lubricant

BA17810T/FP Datasheet(PDF) 9 Page - Rohm

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