bjt zener notes
DESCRIPTION
BJTTRANSCRIPT
-
1.315V
-1.318V
-11.79mV 43.49mV
1A
1 1Wednesday, September 03, 2003
123Marc E. Herniter
01ECE250 or ECE351
Size Document Name Rev
Date: Sheet of
ECE Department5500 Wabash AvenueTerre Haute, IN 47803Ph: (812) 877-8512FAX: (253) 369-9536
Name: Class:CM:Section:
Vcc
VEE
VEE
0
Vcc
Q5ZTX450
+
RB1
2.7k
+
-
V1DC = 15
+
RB2
2.7K
Q6ZTX550
Q4ZTX450
Q19
ZTX550
Q13TIP32
+
-
V2DC = 15
+
RE1
0.47
80.22mA
Q16ZTX450
Q3TIP31
Q7ZTX550
+
RE2
0.47
-
MOTOROLASEMICONDUCTORTECHNICAL DATA
Motorola TVS/Zener Device Data6-97
500 mW DO-35 Glass Data Sheet
500 mW DO-35 GlassZener Voltage Regulator DiodesGENERAL DATA APPLICABLE TO ALL SERIES INTHIS GROUP500 MilliwattHermetically SealedGlass Silicon Zener DiodesSpecification Features: Complete Voltage Range 1.8 to 200 Volts DO-204AH Package Smaller than Conventional DO-204AA Package Double Slug Type Construction Metallurgically Bonded ConstructionMechanical Characteristics:CASE: Double slug type, hermetically sealed glassMAXIMUM LEAD TEMPERATURE FOR SOLDERING PURPOSES: 230C, 1/16 from
case for 10 secondsFINISH: All external surfaces are corrosion resistant with readily solderable leadsPOLARITY: Cathode indicated by color band. When operated in zener mode, cathode
will be positive with respect to anodeMOUNTING POSITION: AnyWAFER FAB LOCATION: Phoenix, ArizonaASSEMBLY/TEST LOCATION: Seoul, Korea
MAXIMUM RATINGS (Motorola Devices)*Rating Symbol Value Unit
DC Power Dissipation and TL 75CLead Length = 3/8Derate above TL = 75C
PD5004
mWmW/C
Operating and Storage Temperature Range TJ, Tstg 65 to +200 C* Some part number series have lower JEDEC registered ratings.
0.7
0.6
0.5
0.4
0.3
0.2
0.1
00 20 40 60 80 100 120 140 160 180 200
TL, LEAD TEMPERATURE (C)
P D, MA
XIMU
M PO
WER
DIS
SIPA
TION
(WAT
TS)
Figure 1. Steady State Power Derating
HEATSINKS
3/8 3/8
GENERALDATA
CASE 299DO-204AH
GLASS
500 mWDO-35 GLASS
GLASS ZENER DIODES500 MILLIWATTS1.8200 VOLTS
-
GENERAL DATA 500 mW DO-35 GLASS
Motorola TVS/Zener Device Data6-105
500 mW DO-35 Glass Data Sheet
Low level oxide passivated zener diodes for applications re-quiring extremely low operating currents, low leakage, andsharp breakdown voltage.
Zener Voltage Specified @ IZT = 50 A Maximum Delta VZ Given from 10 to 100 A
ELECTRICAL CHARACTERISTICS (TA = 25C, VF = 1.5 V Max at IF = 100 mA for all types)
TypeNumber
Zener VoltageVZ @ IZT = 50 A
Volts
MaximumReverse Current
IR A
TestVoltageVR Volts
MaximumZener Current
IZM mA
MaximumVoltage Change
VZ VoltsNumber(Note 1) Nom (Note 1) Min Max (Note 3)
IZM mA(Note 2)
VZ Volts(Note 4)
1N4678 1.8 1.71 1.89 7.5 1 120 0.71N4679 2 1.9 2.1 5 1 110 0.71N4680 2.2 2.09 2.31 4 1 100 0.751N4681 2.4 2.28 2.52 2 1 95 0.81N4682 2.7 2.565 2.835 1 1 90 0.851N4683 3 2.85 3.15 0.8 1 85 0.91N4684 3.3 3.135 3.465 7.5 1.5 80 0.951N4685 3.6 3.42 3.78 7.5 2 75 0.951N4686 3.9 3.705 4.095 5 2 70 0.971N4687 4.3 4.085 4.515 4 2 65 0.991N4688 4.7 4.465 4.935 10 3 60 0.991N4689 5.1 4.845 5.355 10 3 55 0.971N4690 5.6 5.32 5.88 10 4 50 0.961N4691 6.2 5.89 6.51 10 5 45 0.951N4692 6.8 6.46 7.14 10 5.1 35 0.91N4693 7.5 7.125 7.875 10 5.7 31.8 0.751N4694 8.2 7.79 8.61 1 6.2 29 0.51N4695 8.7 8.265 9.135 1 6.6 27.4 0.11N4696 9.1 8.645 9.555 1 6.9 26.2 0.081N4697 10 9.5 10.5 1 7.6 24.8 0.11N4698 11 10.45 11.55 0.05 8.4 21.6 0.111N4699 12 11.4 12.6 0.05 9.1 20.4 0.121N4700 13 12.35 13.65 0.05 9.8 19 0.131N4701 14 13.3 14.7 0.05 10.6 17.5 0.141N4702 15 14.25 15.75 0.05 11.4 16.3 0.151N4703 16 15.2 16.8 0.05 12.1 15.4 0.161N4704 17 16.15 17.85 0.05 12.9 14.5 0.171N4705 18 17.1 18.9 0.05 13.6 13.2 0.181N4706 19 18.05 19.95 0.05 14.4 12.5 0.191N4707 20 19 21 0.01 15.2 11.9 0.21N4708 22 20.9 23.1 0.01 16.7 10.8 0.221N4709 24 22.8 25.2 0.01 18.2 9.9 0.241N4710 25 23.75 26.25 0.01 19 9.5 0.251N4711 27 25.65 28.35 0.01 20.4 8.8 0.271N4712 28 26.6 29.4 0.01 21.2 8.5 0.281N4713 30 28.5 31.5 0.01 22.8 7.9 0.31N4714 33 31.35 34.65 0.01 25 7.2 0.331N4715 36 34.2 37.8 0.01 27.3 6.6 0.361N4716 39 37.05 40.95 0.01 29.6 6.1 0.391N4717 43 40.85 45.15 0.01 32.6 5.5 0.43
NOTE 1. TOLERANCE AND VOLTAGE DESIGNATION (VZ)The type numbers shown have a standard tolerance of 5% on the nominal Zener voltage,C for 2%, D for 1%.NOTE 2. MAXIMUM ZENER CURRENT RATINGS (IZM)Maximum Zener current ratings are based on maximum Zener voltage of the individual unitsand JEDEC 250 mW rating.NOTE 3. REVERSE LEAKAGE CURRENT (IR)
Reverse leakage currents are guaranteed and measured at VR as shown on the table.NOTE 4. MAXIMUM VOLTAGE CHANGE (VZ)Voltage change is equal to the difference between VZ at 100 A and VZ at 10 A.NOTE 5. ZENER VOLTAGE (VZ) MEASUREMENTNominal Zener voltage is measured with the device junction in thermal equilibrium at the leadtemperature at 30C 1C and 3/8 lead length.
-
BJT Zener-Like Circuit
Vg 0.7 V:= VZK 2 V:= Roff 10 kW:=
Find R1 and R2
R1 1 kW:= R2 1 kW:= Initial Guesses
Given
R1 R2+ Roff=
VZKR1 R2+
R2Vg=
R1
R2
Find R1 R2,( ):=
R1 6.5kW= R2 3.5kW=
-
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
1A
1 1Wednesday, September 03, 2003
ECE 250 or ECE 351Marc E. Herniter
BJT Zener Like Circuit
Size Document Name Rev
Date: Sheet of
ECE Department5500 Wabash AvenueTerre Haute, IN 47803Ph: (812) 877-8512FAX: (253) 369-9536
Name: Class:
Vx
0
Q1
Q2N3904
+
R1{0.65*MULT}
+
-
V1DC = 0
+
R2
{0.35*MULT}
PARAMETERS:Mult = 1000
-
Date/Time run: 09/03/03 10:38:05** Profile: "SCHEMATIC1-DC Sweep" [ C:\Website\Rose_Classes\ECE454\Notes\OrCAD\BJT Zener Notes\bjt...
Temperature: 27.0
Date: September 03, 2003 Page 1 Time: 10:45:48
(A) bjt zener -SCHEMATIC1-DC Sweep.dat (active)
V_V1
0V 0.5V 1.0V 1.5V 2.0V 2.5V 3.0V-I(V1)
0A
20mA
40mA
60mA
80mA
100mA
120mAZener Current
-1/slope=Zener off resistance
-1/slope=Zener On Resistance
-
+-
V1DC = 0
PARAMETERS:Mult = 1000
Q1
Q2N3904
+
R2
{0.35*MULT}
+
R1{0.65*MULT}
Vx
0
-
Date/Time run: 09/03/03 10:55:50** Profile: "SCHEMATIC1-DC Sweep" [ C:\Website\Rose_Classes\ECE454\Notes\OrCAD\BJT Zener Notes\bjt...
Temperature: 27.0
Date: September 03, 2003 Page 1 Time: 10:58:56
(A) bjt zener -SCHEMATIC1-DC Sweep.dat (active)
V_V1
0V 0.5V 1.0V 1.5V 2.0V 2.5V 3.0V-I(V1)
0A
0.2A
0.4A
0.6A
0.8A
1.0AZener Current
-
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
27.73mV
-27.73mV
566.0mV
566.0mV
1A
1 1Wednesday, September 03, 2003
123Marc E. Herniter
Push-Pull Amplifier with BJT Zener Bias
01ECE250 or ECE351
Size Document Name Rev
Date: Sheet of
ECE Department5500 Wabash AvenueTerre Haute, IN 47803Ph: (812) 877-8512FAX: (253) 369-9536
Name: Class:CM:Section:
VEE
Vcc
VEE
0
Vcc
+
RB1
2.7k
5.545mA
+
-
V1DC = 15
+
RB2
2.7K
Q19
ZTX550
Q13TIP32
+
-
V2DC = 15
+
R1
6.5
+
RE1
0.4720.05nA
Q14
Q2N3904
Q16ZTX450
Q3TIP31
+
R2
3.5
+
RE2
0.47
-
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
39.07mV
1.112V
-1.112V
37.88mV
40.26mV
1A
1 1Wednesday, September 03, 2003
123Marc E. Herniter
Push-Pull Amplifier with BJT Zener Bias
01ECE250 or ECE351
Size Document Name Rev
Date: Sheet of
ECE Department5500 Wabash AvenueTerre Haute, IN 47803Ph: (812) 877-8512FAX: (253) 369-9536
Name: Class:CM:Section:
VEE
Vcc
VEE
0
Vcc
+
RB1
2.7k
5.144mA
+
-
V1DC = 15
+
RB2
2.7K
Q19
ZTX550
Q13TIP32
+
-
V2DC = 15
+
R1
6.5k
+
RE1
0.472.541mA
Q14
Q2N3904
Q16ZTX450
Q3TIP31
+
R2
3.5k
+
RE2
0.47
-
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
2.201V
0V819.3mV
915.6mV
819.3mV
1A
1 1Wednesday, September 03, 2003
123Marc E. Herniter
Push-Pull Amplifier with BJT Zener Bias
01ECE250 or ECE351
Size Document Name Rev
Date: Sheet of
ECE Department5500 Wabash AvenueTerre Haute, IN 47803Ph: (812) 877-8512FAX: (253) 369-9536
Name: Class:CM:Section:
VEE
Vcc
Vout
VEE
0
Vcc
0
0
+
Load
4 204.8mA
+
RB1
2.7k
4.740mA
+
-
V1DC = 15
+
RB2
2.7K
Q19
ZTX550
Q13TIP32
+
-
V2DC = 15
+
R1
6.5k
+
RE1
0.47204.8mA
Q14
Q2N3904
Q16ZTX450
Q3TIP31
+
R2
3.5k
+
RE2
0.47
-
+
Tran
sien
t A
naly
sis V3
AMPLITUDE = 10FREQUENCY = 1k
-
Date/Time run: 09/03/03 11:21:14** Profile: "SCHEMATIC1-Transient" [ C:\WEBSITE\ROSE_CLASSES\ECE454\NOTES\OrCAD\BJT Zener Notes\pu...
Temperature: 27.0
Date: September 03, 2003 Page 1 Time: 11:22:14
(A) push-pull amplifier with bjt zener-SCHEMATIC1-Transient.dat (active)
Time
0s 0.5ms 1.0ms 1.5ms 2.0msV(Vout)
-10V
-5V
0V
5V
10VOutput Voltage
-
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
1.073V
-1.152V
-1.395mV
1.012mV
0V
-180.9uV
-180.9uV
1A
1 1Wednesday, September 03, 2003
123Marc E. Herniter
Push-Pull Amplifier with BJT Zener Bias
01ECE250 or ECE351
Size Document Name Rev
Date: Sheet of
ECE Department5500 Wabash AvenueTerre Haute, IN 47803Ph: (812) 877-8512FAX: (253) 369-9536
Name: Class:CM:Section:
VEE
Vcc
Vout
VEE
0
Vcc
0
0Vcc
VEE
+
Load
4
+
RB1
2.7k
U1A
LM324
1
3
2
411
OUT
+
-
V+
V-
+
-
V1DC = 15
+
RB2
2.7K
Q19
ZTX550
Q13TIP32
+
-
V2DC = 15
+
R1
6.5k
+
RE1
0.47
2.539mA
Q14
Q2N3904
Q16ZTX450
Q3TIP31
+
R2
3.5k
+
RE2
0.47
-
+
Tran
sien
t A
naly
sis V3
FREQUENCY = 1kAMPLITUDE = 10
-
Date/Time run: 09/03/03 11:32:13** Profile: "SCHEMATIC1-Transient" [ C:\WEBSITE\ROSE_CLASSES\ECE454\NOTES\OrCAD\BJT Zener Notes\pu...
Temperature: 27.0
Date: September 03, 2003 Page 1 Time: 11:32:33
(A) push-pull amplifier with bjt zener-SCHEMATIC1-Transient.dat (active)
Time
0s 0.5ms 1.0ms 1.5ms 2.0msV(Vout)
-10V
-5V
0V
5V
10V
-1/slope=on: -1/slope = Zener On Resistance
-1/slope=off: -1/slope = Zener Off ResistanceRon1: R1 + R2 = 10 OhmsRon2: R1 + R2 = 100 OhmsR1 + R2 = 1000 Ohms: R1 + R2 = 1000 OhmsShifted: Waveform is now shifted because of the bias shift.