STMICROELECTRONICS BD682

BD677/A/679/A/681
BD678/A/680/A/682
COMPLEMENTARY SILICON
POWER DARLINGTON TRANSISTORS
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SGS-THOMSON PREFERRED SALESTYPES
COMPLEMENTARY PNP - NPN DEVICES
MONOLITHIC DARLINGTON
CONFIGURATION
INTEGRATED ANTIPARALLEL
COLLECTOR-EMITTER DIODE
APPLICATION
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LINEAR AND SWITCHING INDUSTRIAL
EQUIPMENT
3
2
1
SOT-32
DESCRIPTION
The BD677, BD677A, BD679, BD679A and
BD681 are silicon epitaxial-base NPN power
transistors in monolithic Darlington configuration
mounted in Jedec SOT-32 plastic package.
They are intended for use in medium power linar
and switching applications
The complementary PNP types are BD678,
BD678A, BD680, BD680A and
BD682
respectively.
INTERNAL SCHEMATIC DIAGRAM
R 1 Typ.= 7K Ω
R 2 T yp.= 230 Ω
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Uni t
NPN
BD677/A
BD679/A
BD681
PNP
BD678/A
BD680/A
BD682
V CBO
Collector-Base Voltage (IE = 0)
60
80
100
V CEO
Collector-Emitter Voltage (I B = 0)
60
80
100
V EBO
Emitter-Base Voltage (I C = 0)
5
V
Collector Current
4
A
6
A
0.1
A
IC
I CM
IB
Collector Peak Current
Base Current
o
P t ot
Total Dissipation at T c ≤ 25 C
T stg
Storage Temperature
Tj
Max. O perating Junction Temperature
40
V
V
W
-65 to 150
o
C
150
o
C
For PNP types voltage and current values are negative.
September 1997
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BD677/677A/678/678A/679/679A/680/680A/681/682
THERMAL DATA
R t hj-ca se
R t hj- amb
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Max
Max
o
3.12
100
o
C/W
C/W
ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
Symb ol
Parameter
Test Cond ition s
Min.
I CBO
Collector Cut-off
Current (IE = 0)
V CE = rated V CBO
V CE = rated V CBO
I CEO
Collector Cut-off
Current (IB = 0)
V CE = half rated V CEO
I EBO
Emitter Cut-off Current
(I C = 0)
V EB = 5 V
Collector-Emitter
Sustaining Voltage
I C = 50 mA
for BD677/677A/678/678A
for BD679/679A/680/680A
for BD681/682
Collector-Emitter
Saturation Voltage
for BD677/678/679/680/681/682
I C = 1.5 A
I B = 30 mA
for BD677A/678A/679A/680A
IB = 40 mA
IC = 2 A
V CEO(sus )∗
V CE(sat )∗
Base-Emitter Voltage
V BE ∗
DC Current G ain
h FE∗
hf e
Small Signal Current
Gain
T C = 100 o C
for BD677/678/679/680/681/682
I C = 1.5 A
V CE = 3 V
for BD677A/678A/679A/680A
V CE = 3 V
IC = 2 A
V CE = 3 V
f = 1MHz
∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %
Safe Operating Areas
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Max.
Un it
0.2
2
mA
mA
0.5
mA
2
mA
60
80
100
for BD677/678/679/680/681/682
V CE = 3 V
I C = 1.5 A
for BD677A/678A/679A/680A
V CE = 3 V
IC = 2 A
I C = 1.5 A
Typ .
Derating Curve
750
750
1
V
V
V
2.5
V
2.8
V
2.5
V
2.5
V
BD677/677A/678/678A/679/679A/680/680A/681/682
DC Current Gain (NPN type)
DC Current Gain (PNP type)
Collector-Emitter Saturation Voltage (NPN type)
Collector-Emitter Saturation Voltage (PNP type)
Base-Emitter Saturation Voltage (NPN type)
Base-Emitter Saturation Voltage (PNP type)
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BD677/677A/678/678A/679/679A/680/680A/681/682
Base-Emitter On Voltage (NPN type)
Base-Emitter On Voltage (PNP type)
Freewheel Diode Forward Voltage (NPN types)
Freewheel Diode Forward Voltage (PNP types)
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BD677/677A/678/678A/679/679A/680/680A/681/682
SOT-32 (TO-126) MECHANICAL DATA
mm
DIM.
MIN.
TYP.
inch
MAX.
MIN.
TYP.
MAX.
A
7.4
7.8
0.291
0.307
B
10.5
10.8
0.413
0.445
b
0.7
0.9
0.028
0.035
b1
0.49
0.75
0.019
0.030
C
2.4
2.7
0.040
0.106
c1
1.0
1.3
0.039
0.050
D
15.4
16.0
0.606
0.629
e
e3
2.2
4.15
F
G
4.65
0.163
3.8
3
0.183
0.150
3.2
H
H2
0.087
0.118
0.126
2.54
0.100
2.15
0.084
H2
0016114
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BD677/677A/678/678A/679/679A/680/680A/681/682
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
 1997 SGS-THOMSON Microelectronics - Printed in Italy - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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