FAIRCHILD KSA1281_09

KSA1281
Audio Power Amplifier
• Collector Power Dissipation : PC=1W
• 3 Watt Output Application
TO-92L
1
1. Emitter 2. Collector 3. Base
Absolute Maximum Ratings* T =25°C unless otherwise noted
a
Symbol
Parameter
Value
Units
V CBO
Collector-Base Voltage
-50
V
V CEO
Collector-Emitter Voltage
-50
V
V EBO
Emitter-Base Voltage
-5
V
IC
Collector Current (DC)
-2
A
PC
Collector Dissipation (TC=25°C)
1
W
TJ
Junction Temperature
150
°C
TSTG
Storage Temperature
-55 ~ 150
°C
* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 150°C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Electrical Characteristics*
Symbol
T a = 25°C unless otherwise noted
Parameter
Test Conditions
Min.
Typ.
Max.
Units
BV CBO
Collector-Base Breakdown Voltage
IC= -100, IE=0
-50
V
BV CEO
Collector-Emitter Breakdown Voltage
IC= -10mA, IB=0
-50
V
BV EBO
Emitter-Base Breakdown Voltage
IE= -1mA, IC=0
-5
V
ICBO
Collector Cut-off Current
VCB= -50V, IE=0
-100
nA
IEBO
Emitter Cut-off Current
VEB= -5V, IC=0
-100
nA
hFE1
hFE2
DC Current Gain
VCE= -2V, IC= -500mA
VCE= -2V, IC= -1.5A
V BE (sat)
Base-Emitter Saturation Voltage
IC= -1A, IB= -0.05A
-1.2
V
V CE (sat)
Collector-Emitter Saturation Voltage
IC= -1A, IB= -0.05A
-0.5
V
C ob
Output Capacitance
VCB= -10V, IE=0, f=1MHz
fT
Current Gain Bandwidth Product
VCE= -2V, IC= -500mA
70
40
240
40
pF
100
MHz
* Pulse Test: Pulse Width £ 300ms, Duty Cycle £ 2.0%
hFE Classification
Classification
O
Y
hFE
70 ~ 140
120 ~ 240
© 2007 Fairchild Semiconductor Corporation
KSA1281 Rev. 1.0.0
www.fairchildsemi.com
1
KSA1281 — Audio Power Amplifier
January 2009
KSA1281 — Audio Power Amplifier
VBE(sat), VCE(sat)[V], SATURATION VOLTAGE
Typical Characteristics
-1400
IB = -7mA
IC[mA], COLLECTOR CURRENT
-1200
IB = -6mA
-1000
IB = -5mA
-800
IB = -4mA
-600
IB = -3mA
-400
IB = -2mA
-200
0
IB = -1mA
0
-2
-4
-6
-8
-10
-12
-14
-1
IC = 50IB
o
Ta = 25 C
-0.1
-0.01
-1
-1
-16
VCE[V], COLLECTOR-EMITTER VOLTAGE
-1000
-1000
-100
-100
-10
-10
IC[mA], COLLECTOR CURRENT
Figure 1. Static Characteristic
Figure 2. Base-Emitter Saturation Voltage
-1400
VCE(sat)[V], SATURATION VOLTAGE
VCE = -2V
IC[mA], COLLECTOR CURRENT
-1200
-1
IC = 50I B
o
Ta = 25 C
-0.1
-0.01
-1
-1
-100
-100
-10
-10
-1000
-800
-600
-400
-200
0
0.0
-1000
-1000
-0.2
Figure 3. Collector-Emitter Saturation Voltage
-1.0
-1.2
-1.4
1.4
IC(MAX)PLUS
1.2
IC(MAX)
-1
PC[W], POWER DISSIPATION
IC[mA], COLLECTOR CURRENT
-0.8
Figure 4. Base-Emitter On Voltage
-10
1ms
1s
o
Ta=25 C
D.C.
OPERATION
-0.1
VCEOMAX
-1
-10
1.0
0.8
0.6
0.4
0.2
0.0
-100
VCE[V], COLLECTOR-EMITTER VOLTAGE
0
25
50
75
100
125
150
175
o
Ta[ C], AMBIENT TEMPERATURE
Figure 5. Safe Operating Area
Figure 6. Power Derating
© 2007 Fairchild Semiconductor Corporation
KSA1281 Rev. 1.0.0
-0.6
VBE[V], BASE-EMITTER VOLTAGE
IC[mA], COLLECTOR CURRENT
-0.01
-0.1
-0.4
www.fairchildsemi.com
2
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PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or In Design
This datasheet contains the design specifications for product development.
Specifications may change in any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make
changes at any time without notice to improve design.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild Semiconductor reserves
the right to make changes at any time without notice to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.
Rev. I31
© 2007 Fairchild Semiconductor Corporation
KSA1281 Rev. 1.0.0
www.fairchildsemi.com
3
KSA1281 Audio Power Amplifier
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