LESHAN RADIO COMPANY, LTD.
Bias Resistor Transistor
PNP Silicon Surface Mount Transistor
with Monolithic Bias Resistor Network
LDTB123ELT1G
Applications
•
S-LDTB123ELT1G
Inverter, Interface, Driver
• Features
1) Built-in bias resistors enable the configuration of an
inverter circuit without connecting external input
resistors (see equivalent circuit).
3
1
2) The bias resistors consist of thin-film resistors with
complete isolation to allow positive biasing of the input.
They also have the advantage of almost completely
eliminating parasitic effects.
2
SOT-23
3) Only the on / off conditions need to be set for operation,
making the device design easy.
•
•
We declare that the material of product compliance with
RoHS requirements.
S- Prefix for Automotive and Other Applications Requiring Unique Site
3
R1
R2
COLLECTOR
and Control Change Requirements; AEC-Q101 Qualified and PPAP Capable.
1
BASE
zAbsolute maximum ratings (Ta=25°C)
2
Limits
Parameter
Symbol
Unit
EMITTER
Supply voltage
Input voltage
V
CC
V
V
−50
−12 to +10
V
IN
Output current
mA
IC
−500
Power dissipation
mW
200
150
P
D
Junction temperature
Storage temperature
Tj
Tstg
C
C
−55 to +150
DEVICE MARKING AND RESISTOR VALUES
Device
Marking
R1 (K)
R2 (K)
Shipping
LDTB123ELT1G
K5
2.2
2.2
3000/Tape & Reel
10000/Tape & Reel
S-LDTB123ELT1G
LDTB123ELT3G
S-LDTB123ELT3G
K5
2.2
2.2
zElectrical characteristics (Ta=25°C)
Parameter
Symbol Min.
Typ.
−
Max.
−0.5
−
Unit
V
Conditions
CC= −5V, I = −100µA
= −0.3V, I = −20mA
/I = −50mA/−2.5mA
= −5V
CC= −50V, V
V
I(off)
I(on)
−
−3
−
V
O
Input voltage
V
−
V
O
O
Output voltage
Input current
V
O(on)
−0.1
−
−0.3
−3.8
−0.5
V
mA
µA
−
I
O I
I
I
−
V
V
V
I
Output current
DC current gain
Input resistance
Resistance ratio
Transition frequency
IO(off)
−
−
I
=0V
G
I
39
1.54
0.8
−
−
O
= −5V, I
O
= −50mA
R
1
2.2
1
2.86
1.2
−
kΩ
−
−
−
R
2
/R
1
fT
∗
200
MHz
V
CE= −10V, I
E
=
50mA, f
=
100MHz
Characteristics of built-in transistor
∗
Rev.O 1/3