LRC DTA144EKA Datasheet

LESHAN RADIO COMPANY, LTD.

Digital transistors (built-in resistors)

• Features

1) Built-in bias resistors enable the configuration of an inverter circuit without
connecting external input resistors (see equivalent circuit).

2) The bias resistors consist of thinfilm resistors with complete isolation to
allow positive biasing of the input. They also have the advantage of almost
completely eliminating parasitic effects.

3) Only the on/ off conditions need to be set for operation, making device
design easy.

• Structure

PNP digital transistor (with built-in resistors)

•Equivalent circuit

R1

IN

IN

OUT

R2

GND(+)

OUT

GND(+)

2.9 + 0.2

1.9+ 0.2

0.95+ 0.95

(2)

(1)

- 0.1

0.2

+ 0.2

+

1.6

+ 0.1

- 0.05

2.8

(3)

0.4

All terminals have same dimensions

DTA144EKA

+ 0.2

1.1

- 0.1

0.8 + 0.1

0 ~ 0.1

0.6

0.15

+ 0.1

- 0.06

0.3 ~

(1) GND
(2) IN
(3) OUT

EIAJ: SC— 59

Absolute maximum ratings(T

•

Parameter symbol limits unit
Supply voltage V

Input voltage V
Output current
Power dissipation P

Junction temperature T
Storage temperature T

Elecrical characteristics(Ta =25°C)

•

Parameter symbol Min. Typ. Max. Unit Conditions
Input voltage
Output Voltage V

Input current I
Output current I
DC current gain G
Input resistance R
Resistance ratio R
Transition frequency f
*Transition frequency of the device

I

C(Max.)

cc

IN

I

O

d

j

stg

V
V

=25 °C)

a

I(off)

I(on)

O(on)

I

O(off)

I

1

/ R

2

T

– 50 V

–40~+10 V

–30

–100

mA

200 mW
150 °C

–55~+150 °C

— — –0.5

–3.0 — — V O= – 0.3V, I O= –2mA

V CC= – 5V, I O= –100µA

V

— –0.1 –0.3 V I O / I I = –10mA / –0.5mA
— — –0.18 mA V I = – 5V
— — –0.5 µAV CC=– 50V, V I= 0 V
68 — — — V O= – 5V, I O= – 5mA

32.9 47 61.1 KΩ —

0.8 1 1.2 — —

1

— 250 — MHz V CE= –10V,I E= 5 mA,f=100MHz*

P9–1/2

LESHAN RADIO COMPANY, LTD.

ELECTRICAL CHARACTERISTIC CURVES

DTA144EKA

-100

-50

-20

V

O

= – 0.3V

( V )

-10

I(on)

-5

-2

-1

-0.5

-0.2

INPUT VOL TAGE: V

-0.1

T A = –40°C

25°C

100°C

-100µ-200µ -500µ -1m -2m -5m -10m -20m -50m -100m

OUTPUT CURRENT: I O (A)

Figure 1. Input voltage vs.output current

(ON characteristics)

1K

500

= 100°C

T

200

I

100

50
20

A

25°C

–40°C

V O = – 5 V

-10m

-5m

-2m

( A )

-1m

O

-500µ

-200µ

-100µ

-50µ

-20µ

-10µ

OUTPUT CURRENT: I

= – 5 V

V

CC

T A = 100°C

25°C

–40°C

-5µ

-2µ

-1µ
0 –0.5 –1.0 –1.5 –2.0 –2.5 –3.0

INPUT VOLTAGE: V

I(ON)

(V)

Figure 2. Output current vs.input voltage

(OFF characteristics)

-1.0

-0.5

T

= 100°C

-0.2

( V )

-0.1

O(on)

-0.05

-0.02

A

25°C

–40°C

I O / I I = 20

10

5
2

DC CURRENT GAIN: G

1

-100µ-200µ -500µ -1m -2m -5m -10m -20m -50m -100m

OUTPUT CURRENT: I O (A)

Figure 3. DC current gain vs.output current

-0.01

-.005

-.002

OUTPUT VOLTAGE: V

-.001

-100µ-200µ -500µ -1m -2m -5m -10m -20m -50m -100m

OUTPUT CURRENT: I O (A)

Figure 4. Output voltage vs.output current

P9–2/2