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 isola tion 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
2.9 + 0.2
PNP digital transistor (with built-in resistors)
1.9+ 0.2
•Equivalent circuit
0.95+ 0.95
(1)
(2)
2.8+ 0.2
+ 0.2
- 0.1
DTD143EK
DTD143ES
0.8 + 0.1
0 ~ 0.1
(3)
1.6
IN
R1
R2
OUT
0.4
+ 0.1
- 0.05
0.15
+ 0.1
- 0.06
All terminals have same dimensions
GND
IN
GND
2.9 + 0.2
1.9+ 0.2
0.95+0.95
(1)
(2)
2.4+ 0.2
+ 0.2
- 0.1
OUT
EIAJ: SC— 59
0.95
+ 0.2
- 0.1
0.45 + 0.1
(3)
0.15
+ 0.1
- 0.06
1.3
0.3 ~ 0.6
(1) GND
(2) IN
(3) OUT
DTD143EK
0 ~ 0.1
0.2Min
+ 0.1
- 0.05
0.4
(1) GND
(2) IN
(3) OUT
All terminals have same dimensions
DTD143ES
EIAJ: SOT— 23
•
Absolute maximum ratings(T
a
=25 °C)
limits( DTC143E )
Parameter
symbol
K
S
V
V
300
150
–55~+150
mA
mW
°C
°C
V
V
cc
IN
unit
50
–10~+30
500
200
Supply voltage
Input voltage
Output current
Power dissipation
Junction temperature
Storage temperature
I
C
P
d
T
j
T
stg
P18–1/2
DTD143EK DTD143ES
•
Elecrical characteristics(T =25°C)
a
Parameter
Input voltage
Output Voltage
Input current
Output current
symbol
V
I(off)
Min.
—
3
—
—
—
47
3.29
0.8
—
Typ.
—
—
0.1
—
—
—
4.7
1
200
Max.
0.5
—
0.3
1.8
0.5
—
6.11
1.2
—
Unit
V
V
mA
Conditions
V
CC
= 5V, I
O
=100
µ
A
V
O
= 0.3V, I
O
=20mA
I
O
/ I
I
=50mA/2.5mA
V
I
=5V
V
CC
V
I(on)
V
O(on)
I
I
I
O(off)
µ
A
—
KΩ
—
MHz
= 50V, V
I
= 0 V
DC current gain
G
I
Input resistance
R
1
Resistance ratio
R
2
/ R
1
Transition frequency
f
T
*Transition frequency of the device
V
O
= 5V, I
O
= 50mA
—
—
V
CE
=10V, I
E
= –50 mA, f=100MHz*
ELECTRICAL CHARACTERISTIC CURVES
100
50
10m
5m
V
O
= 0.3V
V
T
A
= 100°C
25°C
–40°C
CC
=5V
INPUT VOLTAGE: V
I(on)
( V )
20
10
5
2
OUTPUT CURRENT: I
O
( A )
2m
5m
10m
20m
50m 100m
2m
1m
500µ
200µ
100µ
50µ
20µ
10µ
5µ
2µ
1µ
T
A
= –40°C
25°C
100°C
1
0.5
0.2
0.1
100µ 200µ
500µ
1m
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT: I
O
(A)
INPUT VOLTAGE: V
I(ON)
(V)
Figure 1. Input voltage vs.output current
(ON characteristics)
Figure 2. Output current vs.input voltage
(OFF characteristics)
1.0
1K
500
V
O
= 5 V
0.5
I
O
/ I
I
= 20
OUTPUT VOLTAGE: V
O(on)
( V )
200
DC CURRENT GAIN: G
I
T
A
= 100°C
25°C
–40°C
0.2
100
50
20
0.1
0.05
0.02
T
A
= 100°C
25°C
–40°C
10
5
2
1
500µ
0.01
.005
.002
1m
2m
5m
10m
20m
50m 100m 200m
500m
.001
500µ
1m
2m
5m
10m
20m
50m 100m 200m
500m
OUTPUT CURRENT: I
O
(A)
OUTPUT CURRENT: I
O
(A)
Figure 3. DC current gain vs.output current
Figure 4. Output voltage vs.output current
P18–2/2
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