Zener Voltage Regulators

LESHAN RADIO COMPANY, LTD.
Zener Voltage Regulators
LMSZ52**BT1G Series
500 mW SOD−123 Surface Mount
Three complete series of Zener diodes are offered in the convenient,
surface mount plastic SOD−123 package. These devices provide a
convenient alternative to the leadless 34−package style.
2
1
Features
500 mW Rating on FR−4 or FR−5 Board
Wide Zener Reverse Voltage Range − 2.4 V to 110 V
Package Designed for Optimal Automated Board Assembly
Small Package Size for High Density Applications
General Purpose, Medium Current
ESD Rating of Class 3 (>16 kV) per Human Body Model
We declare that the material of product
compliance with RoHS requirements.
SOD−123
1
Cathode
Mechanical Characteristics:
CASE: Void-free, transfer-molded, thermosetting plastic case
FINISH: Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
2
Anode
MARKING DIAGRAM
260°C for 10 Seconds
xx
G
1
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL 94 V−0
M
•
•
•
•
•
•
•
MAXIMUM RATINGS
Rating
Total Power Dissipation on FR−5 Board,
(Note 1) @ TL = 75°C
Derated above 75°C
Thermal Resistance, Junction−to−Ambient
(Note 2)
Thermal Resistance, Junction−to−Lead
(Note 2)
Junction and Storage Temperature Range
Symbol
xx
M
G
= Device Code
= Date Code
= Pb−Free Package
Max
Unit
500
6.7
mW
mW/°C
RqJA
340
°C/W
RqJL
150
°C/W
Device
Package
Shipping
TJ, Tstg
−55 to +150
°C
LMSZ52**BT1G
SOD−123
3000/Tape & Reel
LMSZ52**BT1G
SOD−123
10,000/Tape & Reel
PD
ORDERING INFORMATION
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits are
exceeded, device functional operation is not implied, damage may occur and
reliability may be affected.
1. FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
2. Thermal Resistance measurement obtained via infrared Scan Method.
1/6
LESHAN RADIO COMPANY, LTD.
LMSZ52**BT1G Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless
otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)
Symbol
I
IF
Parameter
VZ
Reverse Zener Voltage @ IZT
IZT
Reverse Current
ZZT
Maximum Zener Impedance @ IZT
IZK
Reverse Current
ZZK
Maximum Zener Impedance @ IZK
IR
Reverse Leakage Current @ VR
VR
Reverse Voltage
IF
Forward Current
VF
Forward Voltage @ IF
VZ V R
I R VF
IZT
V
Zener Voltage Regulator
2/6
LESHAN RADIO COMPANY, LTD.
LMSZ52**BT1G Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)
Zener Voltage (Notes 3 and 4)
VZ (Volts)
@ IZT
Zener Impedance (Note 5)
ZZT @ IZT
Leakage Current
ZZK @ IZK
IR @ VR
Device
Marking
Min
Nom
Max
mA
W
W
mA
mA
Volts
LMSZ5221BT1G
LMSZ5222BT1G
LMSZ5223BT1G
LMSZ5224BT1G
LMSZ5225BT1G
C1
C2
C3
C4
C5
2.28
2.38
2.57
2.66
2.85
2.4
2.5
2.7
2.8
3.0
2.52
2.63
2.84
2.94
3.15
20
20
20
20
20
30
30
30
30
29
1200
1250
1300
1400
1600
0.25
0.25
0.25
0.25
0.25
100
100
75
75
50
1
1
1
1
1
LMSZ5226BT1G
LMSZ5227BT1G
LMSZ5228BT1G
LMSZ5229BT1G
LMSZ5230BT1G
D1
D2
D3
D4
D5
3.14
3.42
3.71
4.09
4.47
3.3
3.6
3.9
4.3
4.7
3.47
3.78
4.10
4.52
4.94
20
20
20
20
20
28
24
23
22
19
1600
1700
1900
2000
1900
0.25
0.25
0.25
0.25
0.25
25
15
10
5
5
1
1
1
1
2
LMSZ5231BT1G
LMSZ5232BT1G
LMSZ5233BT1G
LMSZ5234BT1G
LMSZ5235BT1G
E1
E2
E3
E4
E5
4.85
5.32
5.70
5.89
6.46
5.1
5.6
6.0
6.2
6.8
5.36
5.88
6.30
6.51
7.14
20
20
20
20
20
17
11
7
7
5
1600
1600
1600
1000
750
0.25
0.25
0.25
0.25
0.25
5
5
5
5
3
2
3
3.5
4
5
LMSZ5236BT1G
LMSZ5237BT1G
LMSZ5238BT1G
LMSZ5239BT1G
LMSZ5240BT1G
F1
F2
F3
F4
F5
7.13
7.79
8.27
8.65
9.50
7.5
8.2
8.7
9.1
10
7.88
8.61
9.14
9.56
10.50
20
20
20
20
20
6
8
8
10
17
500
500
600
600
600
0.25
0.25
0.25
0.25
0.25
3
3
3
3
3
6
6.5
6.5
7
8
LMSZ5241BT1G
LMSZ5242BT1G
LMSZ5243BT1G
LMSZ5244BT1G
LMSZ5245BT1G
H1
H2
H3
H4
H5
10.45
11.40
12.35
13.30
14.25
11
12
13
14
15
11.55
12.60
13.65
14.70
15.75
20
20
9.5
9.0
8.5
22
30
13
15
16
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
2
1
0.5
0.1
0.1
8.4
9.1
9.9
10
11
LMSZ5246BT1G
LMSZ5247BT1G
LMSZ5248BT1G
LMSZ5250BT1G
J1
J2
J3
J5
15.20
16.15
17.10
19.00
16
17
18
20
16.80
17.85
18.90
21.00
7.8
7.4
7.0
6.2
17
19
21
25
600
600
600
600
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
12
13
14
15
LMSZ5251BT1G
LMSZ5252BT1G
LMSZ5253BT1G
LMSZ5254BT1G
LMSZ5255BT1G
K1
K2
K3
K4
K5
20.90
22.80
23.75
25.65
26.60
22
24
25
27
28
23.10
25.20
26.25
28.35
29.40
5.6
5.2
5.0
4.6
4.5
29
33
35
41
44
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
17
18
19
21
21
LMSZ5256BT1G
LMSZ5257BT1G
LMSZ5258BT1G
LMSZ5259BT1G
LMSZ5260BT1G
M1
M2
M3
M4
M5
28.50
31.35
34.20
37.05
40.85
30
33
36
39
43
31.50
34.65
37.80
40.95
45.15
4.2
3.8
3.4
3.2
3.0
49
58
70
80
93
600
700
700
800
900
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
23
25
27
30
33
LMSZ5261BT1G
LMSZ5262BT1G
LMSZ5263BT1G
LMSZ5264BT1G
LMSZ5265BT1G
N1
N2
N3
N4
N5
44.65
48.45
53.20
57.00
58.90
47
51
56
60
62
49.35
53.55
58.80
63.00
65.10
2.7
2.5
2.2
2.1
2.0
105
125
150
170
185
1000
1100
1300
1400
1400
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
36
39
43
46
47
LMSZ5266BT1G
LMSZ5267BT1G
LMSZ5268BT1G
LMSZ5269BT1G
LMSZ5270BT1G
P1
P2
P3
P4
P5
64.60
71.25
77.90
82.65
86.45
68
75
82
87
91
71.40
78.75
86.10
91.35
95.55
1.8
1.7
1.5
1.4
1.4
230
270
330
370
400
1600
1700
2000
2200
2300
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
52
56
62
68
69
LMSZ5272BT1G
R2
104.5
110
115.5
1.1
750
3000
0.25
0.1
84
Device
3. The type numbers shown have a standard tolerance of ±5% on the nominal Zener voltage.
4. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30°C $1°C.
5. ZZT and ZZK are measured by dividing the AC voltage drop across the device by the ac current applied.
The specified limits are for IZ(AC) = 0.1 IZ(dc) with the AC frequency = 1 KHz.
3/6
LESHAN RADIO COMPANY, LTD.
LMSZ52**BT1G Series
8
100
7
TYPICAL TC VALUES
FOR MMSZ5221BT1 SERIES
6
5
4
VZ @ IZT
3
2
1
0
−1
−2
−3
qVZ, TEMPERATURE COEFFICIENT (mV/°C)
qVZ, TEMPERATURE COEFFICIENT (mV/°C)
TYPICAL CHARACTERISTICS
2
3
4
5
6
7
8
9
10
VZ, NOMINAL ZENER VOLTAGE (V)
11
12
TYPICAL TC VALUES
FOR MMSZ5221BT1 SERIES
VZ @ IZT
10
1
10
100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 1. Temperature Coefficients
(Temperature Range − 55°C to +150°C)
Figure 2. Temperature Coefficients
(Temperature Range − 55°C to +150°C)
1.2
Ppk, PEAK SURGE POWER (WATTS)
1000
1.0
PD versus TL
0.8
0.6
100
PD versus TA
0.4
0.2
0
0
25
RECTANGULAR
WAVEFORM, TA = 25°C
50
75
100
T, TEMPERATURE (°C)
125
150
10
1
Figure 3. Steady State Power Derating
1
1000
1000
TJ = 25°C
IZ(AC) = 0.1 IZ(DC)
f = 1 kHz
IF, FORWARD CURRENT (mA)
IZ = 1 mA
100
75 V (MMSZ5267BT1)
91 V (MMSZ5270BT1)
100
5 mA
20 mA
10
10
150°C
1
10
100
PW, PULSE WIDTH (ms)
Figure 4. Maximum Nonrepetitive Surge Power
1000
ZZT, DYNAMIC IMPEDANCE (W)
0.1
75°C 25°C
0°C
1
1
10
VZ, NOMINAL ZENER VOLTAGE
Figure 5. Effect of Zener Voltage on
Zener Impedance
100
0.4
0.5
0.6
0.7
0.8
0.9
1.0
VF, FORWARD VOLTAGE (V)
1.1
Figure 6. Typical Forward Voltage
4/6
1.2
LESHAN RADIO COMPANY, LTD.
LMSZ52**BT1G Series
IR, LEAKAGE CURRENT (mA)
TYPICAL CHARACTERISTICS
1000
TA = 25°C
C, CAPACITANCE (pF)
0 V BIAS
1 V BIAS
100
BIAS AT
50% OF VZ NOM
10
1
1
10
VZ, NOMINAL ZENER VOLTAGE (V)
100
1000
100
10
1
+150°C
0.1
0.01
0.001
+ 25°C
0.0001
−55°C
0.00001
0
10
Figure 7. Typical Capacitance
20
30
40
50
60
70
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 8. Typical Leakage Current
100
100
TA = 25°C
IZ, ZENER CURRENT (mA)
IZ, ZENER CURRENT (mA)
TA = 25°C
10
1
0.1
0.01
80
10
1
0.1
0.01
0
2
4
6
8
VZ, ZENER VOLTAGE (V)
10
Figure 9. Zener Voltage versus Zener Current
(VZ Up to 12 V)
12
10
30
50
70
VZ, ZENER VOLTAGE (V)
90
Figure 10. Zener Voltage versus Zener Current
(12 V to 91 V)
5/6
90
LESHAN RADIO COMPANY, LTD.
LMSZ52**BT1G Series
SOD−123
CASE 425−04
ISSUE E
D
ÂÂÂÂ
ÂÂÂÂ
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NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
A
A1
1
HE
DIM
A
A1
b
c
D
E
HE
L
E
b
MIN
0.037
0.000
0.020
−−−
0.055
0.100
0.140
0.010
INCHES
NOM
0.046
0.002
0.024
−−−
0.063
0.106
0.145
−−−
MAX
0.053
0.004
0.028
0.006
0.071
0.112
0.152
−−−
STYLE 1:
PIN 1. CATHODE
2. ANODE
L
2
MILLIMETERS
MIN
NOM
MAX
0.94
1.17
1.35
0.00
0.05
0.10
0.51
0.61
0.71
−−−
−−−
0.15
1.40
1.60
1.80
2.54
2.69
2.84
3.56
3.68
3.86
−−−
−−−
0.25
C
SOLDERING FOOTPRINT*
ÉÉÉ
ÉÉÉ
ÉÉÉ
0.91
0.036
2.36
0.093
4.19
0.165
ÉÉÉ
ÉÉÉ
ÉÉÉ
SCALE 10:1
1.22
0.048
mm Ǔ
ǒinches
6/6