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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.
• Equivalent circuit
R1
IN
R2
IN
OUT
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
0.15
DTC123EKA
+ 0.2
1.1
- 0.1
0.8 + 0.1
0 ~ 0.1
(1) GND
0.6
0.3 ~
(2) IN
(3) OUT
+ 0.1
- 0.06
EIAJ: SC— 59
Absolute maximum ratings(Ta=25 °C)
•
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)
•
I
C(Max.)
cc
IN
I
O
d
j
stg
Parameter symbol Min. Typ. Max. Unit Conditions
Input voltage
V
V
Output Voltage V
Input current I
Output current I
DC current gain G
Input resistance R
I(off)
I(on)
O(on)
I
O(off)
1
— — –0.5
3— — V
— 0.1 0.3 V IO/II= 10mA / 0.5mA
— — 3.8 mA VI= 5V
— — 0.5 µAVCC= 50 V,VI = 0 V
20 — — — VO= 5V,IO= 20mA
I
1.54 2.2 2.86 KΩ —
Resistance ratio R 2 / R 10.8 1 1.2 — —
Transition frequency f
T
— 250 — MHz VCE= 10V,IE= –5 mA,f=100MHz*
*Transition frequency of the device
–50 V
–10~+12 V
100
100
mA
200 mW
150 °C
–55~+150 °C
VCC= 5V,IO= 100 µA
V
= 0.3V,IO= 20 mA
O
P14–1/2
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LESHAN RADIO COMPANY, LTD.
ELECTRICAL CHARACTERISTIC CURVES
DTC123EKA
100
50
20
V O = 0.3V
( V )
10
I(on)
5
2
1
0.5
0.2
INPUT VOL TAGE: V
0.1
100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m
T A = –40°C
25°C
100°C
OUTPUT CURRENT: I O (A)
Figure 1. Input voltage vs.output current
(ON characteristics)
1K
500
200
I
100
50
20
10
5
2
DC CURRENT GAIN: G
1
100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m
T
A
= 100°C
25°C
–40°C
OUTPUT CURRENT: I O (A)
V O = 5 V
Figure 3. DC current gain vs.output current
10m
5m
2m
( A )
O
500µ
200µ
100µ
OUTPUT CURRENT: I
T A = 100°C
1m
50µ
20µ
10µ
5µ
2µ
1µ
0 0.5 1.0 1.5 2.0 2.5 3.0
25°C
–40°C
INPUT VOL TAGE: V
I(ON)
V
(V)
Figure 2. Output current vs.input voltage
(OFF characteristics)
1
0.5
0.2
( V )
O(on)
0.1
0.05
T
= 100°C
0.02
0.01
.005
.002
OUTPUT VOLTAGE: V
.001
100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m
A
25°C
–40°C
OUTPUT CURRENT: I O (A)
I O / I I = 20
Figure 4. Output voltage vs.output current
CC
= 5 V
P14–2/2
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