LRC LMBZ5257BLT1

LESHAN RADIO COMPANY, LTD.
Zener Voltage Regulators
LMBZ52xxBL
Series
225 mW SOT–23 Surface Mount
This series of Zener diodes is offered in the convenient, surface
mount plastic SOT–23 package. These devices are designed to provide
voltage regulation with minimum space requirement. They are well
suited for applications such as cellular phones, hand held portables,
and high density PC boards.
3
1
2
Specification Features:
SOT-23 (TO-236AB)
225 mW Rating on FR–4 or FR–5 Board
Zener Voltage Range – 2.4 V to 91 V
Small Package Size for High Density Applications
ESD Rating of Class 3 (>16 KV) per Human Body Model
Pb-Free Package is available.
3
Cathode
Mechanical Characteristics:
CASE: Void-free, transfer-molded, thermosetting plastic case
FINISH: Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
1
Anode
MARKING DIAGRAM
xxx
260°C for 10 Seconds
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL94 V–0
M
•
•
•
•
•
xxx = Specific Device Code
M = Date Code
MAXIMUM RATINGS
Rating
Total Power Dissipation on FR–5 Board,
(Note 1) @ TA = 25°C
Derated above 25°C
Thermal Resistance –
Junction–to–Ambient
Total Power Dissipation on Alumina
Substrate, (Note 2) @ TA = 25°C
Derated above 25°C
Symbol
Max
Unit
225
1.8
mW
mW/°C
556
°C/W
PD
RqJA
PD
300
2.4
mW
mW/°C
Thermal Resistance –
Junction‘to–Ambient
RqJA
417
°C/W
Junction and Storage
Temperature Range
TJ, Tstg
–65 to
+150
°C
1. FR–5 = 1.0 X 0.75 X 0.62 in.
2. Alumina = 0.4 X 0.3 X 0.024 in., 99.5% alumina
ORDERING INFORMATION
Device*1
Package
Shipping
LMBZ52xxBLT1
SOT-23
3000/Tape&Reel
LMBZ52xxBLT1G
(Pb-Free)
SOT-23
3000/Tape&Reel
LMBZ52xxBLT3*2
SOT-23
10,000/Tape&Reel
LMBZ52xxBLT3G
(Pb-Free)
SOT-23
10,000/Tape&Reel
*2 LMBZ5233BLT1, LMBZ5246BLT1,
LMBZ5251BLT1, and LMBZ5252BLT1 Not Available in 10,000/Tape & Reel.
* 1 The "T1" suffix refers to an 8 mm, 7 inch reel.
The " T3" suffix refers to an 8 mm, 13 inch reel.
The " G " suffix refers to Pb-Free package.
LMBZ52xxBLT1–1/6
LESHAN RADIO COMPANY, LTD.
LMBZ5221BLT1 Series
ELECTRICAL CHARACTERISTICS
I
(Pinout: 1-Anode, 2-No Connection, 3-Cathode) (TA = 25°C
unless otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)
IF
Parameter
Symbol
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 VR
V
IR VF
IZT
Zener Voltage Regulator
LMBZ52xxBLT1-2/6
LESHAN RADIO COMPANY, LTD.
LMBZ5221BLT1 Series
ELECTRICAL CHARACTERISTICS (Pinout: 1-Anode, 2-NC, 3-Cathode) (VF = 0.9 V Max @ IF = 10 mA for all types.)
Zener Voltage (Note 3)
VZ (Volts)
Zener Impedance
@ IZT
ZZT @ IZT
Leakage Current
ZZK @ IZK
IR @ VR
Device
Device
Marking
Min
Nom
Max
mA
W
W
mA
mA
Volts
LMBZ5221BLT1
LMBZ5222BLT1
LMBZ5223BLT1
LMBZ5224BLT1
LMBZ5225BLT1
18A
18B
18C
18D
18E
2.28
2.37
2.56
2.66
2.85
2.4
2.5
2.7
2.8
3
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
LMBZ5226BLT1
LMBZ5227BLT1
LMBZ5228BLT1
LMBZ5229BLT1
LMBZ5230BLT1
8A
8B
8C
8D
8E
3.13
3.42
3.70
4.08
4.46
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
LMBZ5231BLT1
LMBZ5232BLT1
LMBZ5233BLT1*
LMBZ5234BLT1
LMBZ5235BLT1
8F
8G
8H
8J
8K
4.84
5.32
5.70
5.89
6.46
5.1
5.6
6
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
LMBZ5236BLT1
LMBZ5237BLT1
LMBZ5238BLT1
LMBZ5239BLT1
LMBZ5240BLT1
8L
8M
8N
8P
8Q
7.12
7.79
8.26
8.64
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
LMBZ5241BLT1
LMBZ5242BLT1
LMBZ5243BLT1
LMBZ5244BLT1
LMBZ5245BLT1
8R
8S
8T
8U
8V
10.4
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
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
LMBZ5246BLT1*
LMBZ5247BLT1
LMBZ5248BLT1
LMBZ5249BLT1
LMBZ5250BLT1
8W
8X
8Y
8Z
81A
15.20
16.15
17.10
18.05
19.00
16
17
18
19
20
16.80
17.85
18.90
19.95
21.00
7.8
7.4
7
6.6
6.2
17
19
21
23
25
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
12
13
14
14
15
LMBZ5251BLT1*
LMBZ5252BLT1*
LMBZ5253BLT1
LMBZ5254BLT1
LMBZ5255BLT1
81B
81C
81D
81E
81F
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
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
LMBZ5256BLT1
LMBZ5257BLT1
LMBZ5258BLT1
LMBZ5259BLT1
LMBZ5260BLT1
81G
81H
81J
81K
81L
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
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
LMBZ5261BLT1
LMBZ5262BLT1
LMBZ5263BLT1
LMBZ5264BLT1
LMBZ5265BLT1
81M
81N
81P
81Q
81R
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
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
LMBZ5266BLT1
LMBZ5267BLT1
LMBZ5268BLT1
LMBZ5269BLT1
LMBZ5270BLT1
81S
81T
81U
81V
81W
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
3. Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25°C
*Not Available in the 10,0000/Tape & Reel.
LMBZ52xxBLT1-3/6
LESHAN RADIO COMPANY, LTD.
LMBZ5221BLT1 Series
100
8
7
θ VZ, TEMPERATURE COEFFICIENT (mV/°C)
θ VZ, TEMPERATURE COEFFICIENT (mV/°C)
TYPICAL CHARACTERISTICS
TYPICAL TC VALUES
FOR LMBZ5221BLT1 SERIES
6
5
4
VZ @ IZT
3
2
1
0
–1
–2
–3
2
3
4
5
6
7
8
9
10
11
VZ @ IZT
10
1
10
12
100
VZ, NOMINAL ZENER VOLTAGE (V)
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)
1000
1000
TJ = 255C
IZ(AC) = 0.1 IZ(DC)
f = 1 kHz
75 V (LMBZ5267BLT1)
91 V (LMBZ5270BLT1)
IF, FORWARD CURRENT (mA)
Z ZT, DYNAMIC IMPEDANCE (Ω )
TYPICAL TC VALUES
FOR LMBZ5221BLT1 SERIES
IZ = 1 mA
100
5 mA
20 mA
10
100
10
1505C
1
1
10
100
1
0.4
0.5
75°C 25°C
0.6
0.7
0°C
0.8
0.9
1.0
VZ, NOMINAL ZENER VOLTAGE
VF, FORWARD VOLTAGE (V)
Figure 3. Effect of Zener Voltage on
Zener Impedance
Figure 4. Typical Forward Voltage
1.1
1.2
LMBZ52xxBLT1-4/6
LESHAN RADIO COMPANY, LTD.
LMBZ5221BLT1 Series
TYPICAL CHARACTERISTICS
1000
1000
C, CAPACITANCE (pF)
I R , LEAKAGE CURRENT (µA)
TA = 25°C
0 V BIAS
1 V BIAS
100
BIAS AT
50% OF VZ NOM
10
100
10
1
+1505C
0.1
0.01
+255C
0.001
–555C
0.0001
1
0.00001
1
100
10
0
10
20
30
40
50
60
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 5. Typical Capacitance
Figure 6. Typical Leakage Current
80
90
100
100
TA = 25°C
I Z , ZENER CURRENT (mA)
TA = 25°C
I Z , ZENER CURRENT (mA)
70
VZ, NOMINAL ZENER VOLTAGE (V)
10
1
0.1
10
1
0.1
0.01
0.01
0
2
4
6
8
10
12
10
30
50
70
90
VZ, ZENER VOLTAGE (V)
VZ, ZENER VOLTAGE (V)
Figure 7. Zener Voltage versus Zener Current
(VZ Up to 12 V)
Figure 8. Zener Voltage versus Zener Current
(12 V to 91 V)
LMBZ52xxBLT1-5/6
LESHAN RADIO COMPANY, LTD.
LMBZ52xxBLT1 Series
SOT-23 (TO-236AB)
A
L
NOTES:
1. CONTROLLING DIMENSION: MILLIMETERS
3
2. LEAD THICKNESS SPECIFIED PER L / F DRAWING WITH
B S
1
V
SOLDER PLATING.
2
DIM
A
B
C
D
G
H
J
K
L
S
V
G
C
D
H
K
INCHES
MIN
MAX
0.1102 0.1197
0.0472 0.0551
0.0350 0.0440
0.0150 0.0200
0.0701 0.0807
0.0005 0.0040
0.0034 0.0070
0.0180 0.0236
0.0350 0.0401
0.0830 0.0984
0.0177 0.0236
MILLIMETERS
MIN
MAX
2.80
3.04
1.20
1.40
0.89
1.11
0.37
0.50
1.78
2.04
0.013
0.100
0.085
0.177
0.45
0.60
0.89
1.02
2.10
2.50
0.45
0.60
J
STYLE 11:
PIN 1. ANODE
2. NO CONNECTION
3. CATHODE
0.037
0.95
0.037
0.95
0.079
2.0
0.035
0.9
0.031
0.8
inches
mm
LMBZ52xxBLT1-6/6