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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. * Structure PNP digital transistor (with built-in resistors) *Equivalent circuit 2.9 + 0.2
1.9+ 0.2 0.95+ 0.95 (1) (2)
2.8+ 0.2
+ 0.2 - 0.1
DTC144EKA
1.1
+ 0.2 - 0.1
0.8 + 0.1
R2 GND
(3) 0.15 + 0.1 0.06
1.6
IN
R1
OUT
0 ~ 0.1
0.4
+ 0.1 - 0.05
IN GND
OUT
All terminals have same dimensions
EIAJ: SC-- 59
*
Absolute maximum ratings(Ta=25 C)
Parameter symbol V cc V IN IO I C(Max.) Pd Tj T stg 150 limits 50 -10~+40 30 100 200 150 -55~+150 unit V V mA 300 mW C C
Supply voltage Input voltage Output current Power dissipation Junction temperature Storage temperature
* Elecrical characteristics(T =25C)
a
Parameter Input voltage Output Voltage Input current Output current
symbol V
I(off)
Min. -- 3 -- -- -- 68 32.9 0.8 --
Typ. -- -- -- -- -- -- 47 1 250
Max. 0.5 -- 0.3 0.18 0.5 -- 61.1 1.2 --
Unit V V mA
Conditions VCC= 5V,IO= 100A VO= 0.3V,IO=2mA IO/II=10mA/0.5mA VI= 5V VCC= 50V,VI= 0 V VO= 5V,IO= 5mA -- -- VCE= 10V,IE= - 5 mA,f=100MHz*
V I(on) V O(on) II I O(off)
A
-- K -- MHz
DC current gain GI Input resistance R1 Resistance ratio R2/ R1 Transition frequency fT *Transition frequency of the device
0.3 ~ 0.6
(1) GND (2) IN (3) OUT
P15-1/2
LESHAN RADIO COMPANY, LTD.
DTA144EKA
ELECTRICAL CHARACTERISTIC CURVES
100 50
V O = 0.3V
10m 5m
V
CC
=5V
INPUT VOLTAGE: V I(on) ( V )
OUTPUT CURRENT: I O ( A )
20 10 5 2
2m 1m 500 200 100 50 20 10 5 2 1
T A = 100C 25C -40C
T A = -40C 25C 100C
1 0.5 0.2
0.1 100 200 500 1m 2m 5m 10m 20m 50m 100m
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 T A = 100C 25C -40C
OUTPUT VOLTAGE: V O(on) ( V )
200
DC CURRENT GAIN: G I
T A = 100C 25C -40C
0.2
100 50 20
0.1 0.05 0.02
10 5 2 1 -100-200 -500 -1m -2m -5m -10m -20m -50m -100m
0.01 .005 .002
.001 100 200 500 1m 2m 5m 10m 20m 50m 100m
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
P15-2/2

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