LS3550 SERIES
Linear Integrated Systems
FEATURES
6 LEAD SOT-23 SURFACE MOUNT PACKAGE*
TIGHT MATCHING
1
EXCELLENT THERMAL TRACKING
ABSOLUTE MAXIMUM RATINGS
@ 25 °C (unless otherwise stated)
Maximum Temperatures
Storage Temperature
Operating Junction Temperature
Maximum Power Dissipation
Continuous Power Dissipation
Maximum Currents
Collector Current
Maximum Voltages
Collector to Collector Voltage
80V
50mA
TBD
-65 to +150 °C
-55 to +150 °C
TO-71
BOTTOM VIEW
2
1
MONOLITHIC DUAL
PNP TRANSISTORS
2mV
3µV/°C
SOT-23
TOP VIEW
B1
E2
B2
1
2
3
6
5
4
TO-78
BOTTOM VIEW
C1
E1
C2
PDIP
E1
B1
C1
2
3
5
6
E2
B2
C2
1
7
SOIC
8
7
6
5
C1
E1
B1
C1
2
1
7
3
5
6
1
2
3
4
C2 C1
B2 B1
E2 E1
NC NC
1
2
3
4
8
7
6
5
C2
B2
E2
NC
E2
B2
C2
B1
E1
NC
MATCHING ELECTRICAL CHARACTERISTICS @25 °C (unless otherwise stated)
SYMBOL
CHARACTERISTIC
LS3250A
MIN
MAX
LS3250B
MIN
MAX
LS3250C
MIN
MAX
UNIT
CONDITIONS
V
BE1
−
V
BE2
V
BE1
−
V
BE2
∆T
I
B1
−
I
B2
I
B1
−
I
B2
∆T
Base to Emitter Voltage Differential
Base to Emitter Voltage Differential
Change with Temperature
Base Current Differential
Base Current Differential
Change with Temperature
2
3
10
0.5
5
5
10
0.5
10
15
10
1.0
mV
µV/°C
nA
nA/°C
I
C
= -10mA, V
CE
= -5V
I
C
= -10mA, V
CE
= -5V
T
A
= -40°C to +85°C
I
C
= -10µA, V
CE
= -5V
I
C
= -10µA, V
CE
= -5V
T
A
= -40°C to +85°C
h
FE1
h
FE2
Current Gain Differential
10
10
15
%
I
C
= -10µA, V
CE
= -5V
ELECTRICAL CHARACTERISTICS @25 °C (unless otherwise stated)
SYMBOL
CHARACTERISTIC
LS3250A
MIN
MAX
LS3250B
MIN
MAX
LS3250C
MIN
MAX
UNIT
CONDITIONS
BV
CBO
BV
CEO
BV
CCO
BV
EBO
V
CE(SAT)
Collector to Base Breakdown Voltage
-45
-40
-40
-80
-6.2
-0.25
-0.25
-20
-20
-80
-6.2
-1.2
I
C
= -10mA, I
E
= 0A
I
C
= -10µA, I
E
= 0A
V
I
E
= -10µA, I
C
= 0A
I
C
= -100mA
I
B
= -10mA
Collector to Emitter Breakdown Voltage -45
Collector to Collector Breakdown
-80
Voltage
Emitter to Base Breakdown Voltage
3
-6.2
Collector to Emitter Saturation Voltage
Linear Integrated Systems
• 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261
ELECTRICAL CHARACTERISTICS CONT. @25 °C (unless otherwise stated)
SYMBOL
CHARACTERISTIC
LS3250A
MIN
MAX
LS3250B
MIN
MAX
LS3250C
MIN
MAX
UNIT
CONDITIONS
150
h
FE
DC Current Gain
120
100
I
CBO
I
EBO
I
C1C2
C
OBO
f
T
NF
Collector Cutoff Current
Emitter Cutoff Current
Collector to Collector Leakage Current
Output Capacitance
Gain Bandwidth Product (Current)
Noise Figure (Narrow Band)
-0.2
-0.2
-1
2
600
3
100
80
80
-0.2
50
40
40
-0.2
-0.2
-1
2
600
3
-0.2
-1
2
600
3
pF
MHz
dB
I
C
= -1mA, V
CE
= -5V
I
C
= -10mA, V
CE
= -5V
I
C
= -100mA, V
CE
= -5V
I
E
= 0A, V
CB
= -30V
nA
I
E
= 0A, V
CB
= -20V
I
E
= 0A, V
CB
= -3V
V
CC
= ±80V
I
E
= 0A, V
CB
= -10V
I
C
= -1mA, V
CE
= -5V
I
C
= -100µA, V
CE
= -5V
BW = 200Hz
R
B
= 10Ω,
f
= 1kHz
SOT-23
0.95
TO-71
Six Lead
0.35
0.50
2.80
3.00
TO-78
0.230
DIA.
0.209
PDIP
0.060
1
2
8
7
0.375
0.038
3
4
0.250
6
5
0.100
1
1.90
6
5
4
0.195 DIA.
0.175
0.030
MAX.
0.305
0.335
0.335
0.370
MAX.
0.040 0.165
0.185
MIN. 0.500
SEATING
PLANE
2
3
1.50
1.75
2.60
3.00
0.150
0.115
0.016
0.019
DIM. A
0.016
0.021
DIM. B
0.200
0.029
0.045
2 3
1
5
76
6 LEADS
0.019 DIA.
0.016
0.100
0.500 MIN.
0.90
1.30
0.100
0.145
0.170
0.050
0.09
0.20
0.295
0.320
DIMENSIONS IN
INCHES
2 3
1
5
6
7
0.100
45°
0.00
0.15
0.10
0.60
DIMENSIONS IN
MILLIMETERS
45°
0.046
0.036
SOIC
0.014
0.018
1
2
0.021
3
4
8
7
6
5
0.050
0.189
0.196
0.048
0.028
0.028
0.034
Standard package is SOT23 6 lead.
Other packages listed are optional. Contact factory regarding
availability of optional packages.
0.150
0.157
0.0040
0.0098
0.2284
0.2440
DIMENSIONS IN
INCHES
0.0075
0.0098
NOTES:
1.
2.
3.
Maximum rating for LS3550A, SOT23-6.
Absolute maximum ratings are limiting values above which serviceability may be impaired.
The reverse Base to Emitter voltage must never exceed -6.2 Volts. The reverse Base to Emitter current must never exceed -10µA.
Information furnished by Linear Integrated Systems is believed to be accurate and reliable. However, no responsibility is assumed for its
use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Linear Integrated Systems.
Linear Integrated Systems
• 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261
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