(VCC = 10 Vdc, V
IC = 100 mAdc, IB1 = 10 mAdc) (Fig. 1, Test Condition C)
VCC = 10 Vdc, (IC = 10 mAdc, for ts)
=
C
(IB1 = –10 mA) (IB2 = 10 mA) (Fig. 1, Test Condition C)
IC = 10 mAdc, IB1 = 3.0 mAdc) (Fig. 1, Test Condition A)
IB1 = 3.0 mAdc, IB2 = 1.5 mAdc) (Fig. 1, Test Condition A)
IB1 = IB2 = 10 mAdc) (Fig. 1, Test Condition B)
(Fig. 3, Test Condition A)
or
EB(off
EB(off)
= 2.0 Vdc,
= 1.5 Vdc,
h
FE
V
CE(sat)
V
BE(sat)
f
C
ibo
C
obo
t
t
t
t
on
t
off
t
Q
25
40
20
40
30
20
—
—
0.65
0.75
T
d
r
s
t
f
s
T
300—MHz
—8.0pF
—4.0pF
—8.0ns
—15ns
—20ns
—15ns
—25ns
—35ns
—20ns
—80pC
—
160
—
—
—
—
0.22
0.35
0.8
0.95
—
Vdc
Vdc
Test
Condition
A
B
C
2
Figure 1. Switching Time Equivalent Test Circuit
V
ICV
mA
10
10
100
CC
V
3
10
10
R
S
Ω
3300
560
560
R
Ω
270
960
96
C
C
S(max)
pF
12
t
V
BE(off)
4
4
–1.5
—
–2.0
V
V
1
V
V
10.55
—
6.35
–4.15
–4.65
–4.65
V
2
3
V
V
10.70
6.55
6.55
00
V
EB(off)
on
t
1
V
1
<2 ns<2 ns
PULSE WIDTH (t1) = 300 ns DUTY CYCLE = 2%
t
off
t
1
V
3
V
2
CC
R
C
R
B
C
S
Motorola Small–Signal Transistors, FETs and Diodes Device Data
CURRENT GAIN CHARACTERISTICS
2N4264
100
70
50
30
20
FE
h , DC CURRENT GAIN
1.0
t
+10 V
∆
V
0
PULSE WIDTH (t1) = 5
TJ = 125°C
25°C
–15°C
–55°C
2.03.01050
IC, COLLECTOR CURRENT (mA)
30205.07.0
Figure 2. Minimum Current Gain
Ω
270
3 V
<1 ns
8 pF
9.2 k
CS < 4 pF
Ω
C
C
OPT
1
µ
s DUTY CYCLE = 2%
C < C
TIME
7010100
OPT
2N4264
VCE = 1 V
200
C = 0
Figure 3. QT T est CircuitFigure 4. T urn–Off Waveform
When a transistor is held in a conductive state by a base current, IB,
a charge, QS, is developed or “stored” in the transistor. QS may be
written: QS = Q1 + QV + QX.
Q1 is the charge required to develop the required collector current.
This charge is primarily a function of alpha cutoff frequency . QV is the
charge required to charge the collector–base feedback capacity. QX is
excess charge resulting from overdrive, i.e., operation in saturation.
The charge required to turn a transistor “on” to the edge of saturation
is the sum of Q1 and QV which is defined as the active region charge,
QA. QA = IB1tr when the transistor is driven by a constant current step
(IB1) and IB1 < <
I
C
.
h
FE
NOTE 1
If IB were suddenly removed, the transistor would continue to
conduct until QS is removed from the active regions through an
external path or through internal recombination. Since the internal
recombination time is long compared to the ultimate capability of a
transistor, a charge, QT, of opposite polarity, equal in magnitude, can
be stored on an external capacitor, C, to neutralize the internal charge
and considerably reduce the turn–off time of the transistor. Figure 3
shows the test circuit and Figure 4 the turn–off waveform. Given Q
from Figure 13, the external C for worst–case turn–off in any circuit is:
C = QT/∆V, where ∆V is defined in Figure 3.
T
Motorola Small–Signal Transistors, FETs and Diodes Device Data
3
2N4264
“ON” CONDITION CHARACTERISTICS
1.0
0.8
0.6
0.4
VOLTAGE (VOLTS)
0.2
CE
V , MAXIMUM COLLECTOR–EMITTER
0
0.1
1.2
IC/IB = 10
TJ = 25
1.0
0.8
2N4264
TJ = 25
°
C
IC = 10 mA50 mA
0.52.03.0500.20.3
1.00.75.07.0
IB, BASE CURRENT (mA)
100 mA
200 mA
203010
Figure 5. Collector Saturation Region
1.0
°
C
MAX V
MIN V
BE(sat)
BE(sat)
°θ
0.5
q
for V
VC
CE(sat)
0
(25°C to 125°C)
(–55°C to 25°C)
0.6
0.4
, SATURATION VOLTAGE (VOLTS)
0.2
sat
V
1.02.05.01020
3.07.030
IC, COLLECTOR CURRENT (mA)
Figure 6. Saturation Voltage Limits
MAX V
500100
CE(sat)
70
200
, TEMPERATURE COEFFICIENTS (mV/ C)
–0.5
–1.0
–1.5
V
–2.0
qVB for V
BE
08012016040
IC, COLLECTOR CURRENT (mA)
Figure 7. T emperature Coefficients
(25°C to 125°C)
(–55°C to 25°C)
200
4
Motorola Small–Signal Transistors, FETs and Diodes Device Data
DYNAMIC CHARACTERISTICS
2N4264
200
100
70
50
30
20
, DELAY TIME (ns)
d
t
10
7.0
5.0
1.02.05.01020
IC, COLLECTOR CURRENT (mA)
Figure 8. Delay Time
50
30
20
, STORAGE TIME (ns)
10
s
t
7.0
5.0
1.02.05.01020
IC/IB = 20
IC, COLLECTOR CURRENT (mA)
td @ V
0 V
EB(off)
= 3 V
2 V
IC/IB = 10
VCC = 10 V
TJ = 25
50
ts′ ^
ts – 1/8 t
IB1 = I
50
°
C
100200
°
TJ = 25
TJ = 125
f
B2
100200
200
100
70
50
30
20
, RISE TIME (ns)
r
t
10
7.0
5.0
1.02.05.01020
VCC = 3 V
VCC = 10 V
IC, COLLECTOR CURRENT (mA)
IC/IB = 10
TJ = 25
TJ = 125
50
°
C
°
C
100200
Figure 9. Rise Time
200
C
°
C
100
70
50
30
20
, FALL TIME (ns)
f
t
10
7.0
5.0
1.02.05.01020
IC, COLLECTOR CURRENT (mA)
IC/IB = 20
IC/IB = 10
VCC = 10 V
TJ = 25
°
C
TJ = 125
°
C
50100200
Figure 10. Storage Time
10
MAX
TYP
7.0
5.0
CAPACITANCE (pF)
3.0
2.0
0.10.20.51.02.0
C
ibo
REVERSE BIAS (Vdc)
C
obo
5.0
10
Figure 12. Junction Capacitance
Motorola Small–Signal Transistors, FETs and Diodes Device Data
Figure 11. Fall T ime
1000
700
500
300
200
100
Q, CHARGE (pC)
70
50
30
20
1.02.05.01020
IC/IB = 10
TJ = 25
TJ = 125
VCC = 3 V
VCC = 10 V
VCC = 3 V
3.07.0
°
C
°
C
IC, COLLECTOR CURRENT (mA)
Figure 13. Maximum Charge Data
Q
A
Q
T
50100200
3070
5
2N4264
SEATING
PLANE
P ACKAGE DIMENSIONS
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
A
B
R
P
L
F
K
D
XX
G
J
H
V
1
C
N
SECTION X–X
N
CASE 029–04
(TO–226AA)
ISSUE AD
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. CONTOUR OF PACKAGE BEYOND DIMENSION R
IS UNCONTROLLED.
4. DIMENSION F APPLIES BETWEEN P AND L.
DIMENSION D AND J APPLY BETWEEN L AND K
MINIMUM. LEAD DIMENSION IS UNCONTROLLED
IN P AND BEYOND DIMENSION K MINIMUM.
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty , representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “T ypical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola
was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
How to reach us:
USA/EUROPE/Locations Not Listed: Motorola Literature Distribution;JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4–32–1,
P.O. Box 5405, Denver, Colorado 80217. 303–675–2140 or 1–800–441–2447Nishi–Gotanda, Shinagawa–ku, Tokyo 141, Japan. 81–3–5487–8488
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6
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◊
MotorolaSmall–Signal Transistors, FETs and Diodes Device Data
Mfax is a trademark of Motorola, Inc.
2N4264/D
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