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DISCRETE SEMICONDUCTORS
DATA SH EET
M3D176
PLVA400A series
Low-voltage avalanche regulator
diodes
Product specification
Supersedes data of April 1992
1996 Apr 26
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Philips Semiconductors Product specification
Low-voltage avalanche regulator diodes PLVA400A series
FEATURES
• Very low dynamic impedance at
low currents: approximately1⁄20 of
conventional series
• Hard breakdown knee
• Low noise: approximately1⁄10of
conventional series
• Total power dissipation:
max. 400 mW
• Small tolerances of V
Z
• Working voltage range:
nom. 5.0 to 6.8 V
• Non-repetitive peak reverse power
dissipation: max. 30 W.
APPLICATIONS
• Low current, low power, low noise
applications
• CMOS RAM back-up circuits
• Voltage stabilizers
• Voltage limiters
• Smoke detector relays.
DESCRIPTION
High performance voltage regulator diodes in hermetically sealed leaded glass
SOD27 (DO-35) packages.
The series consists of PLVA450A to PLVA468A.
handbook, halfpage
ka
MAM239
Fig.1 Simplified outline (SOD27; DO-35) and symbol.
MARKING
TYPE NUMBER MARKING CODE
PLVA450A 450APH
PLVA453A 453APH
PLVA456A 456APH
PLVA459A 459APH
PLVA462A 462APH
PLVA465A 465APH
PLVA468A 468APH
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
I
F
I
ZRM
P
P
tot
ZSM
continuous forward current − 250 mA
repetitive peak working current tp= 100 µs; δ = 10% 250 mA
total power dissipation Ttp≤ 55 °C; note 1 − 400 mW
non-repetitive peak reverse power
tp= 100 µs; Tj= 150 °C30W
dissipation
T
stg
T
j
storage temperature −65 +200 °C
junction temperature − 175 °C
Note
1. Lead length 8 mm.
1996 Apr 26 2
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Philips Semiconductors Product specification
Low-voltage avalanche regulator diodes PLVA400A series
ELECTRICAL CHARACTERISTICS
T
=25°C; unless otherwise specified.
j
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
F
V
Z
V
Z
R
Z
S
Z
I
R
forward voltage IF=10mA −−0.9 V
working voltage IZ= 250 µA
PLVA450A 4.80 5.00 5.20 V
PLVA453A 5.10 5.30 5.50 V
PLVA456A 5.40 5.60 5.80 V
PLVA459A 5.70 5.90 6.10 V
PLVA462A 6.00 6.20 6.40 V
PLVA465A 6.30 6.50 6.70 V
PLVA468A 6.60 6.80 7.00 V
working voltage IZ=10µA
PLVA450A − 4.30 − V
PLVA453A − 5.20 − V
PLVA456A − 5.51 − V
PLVA459A − 5.85 − V
PLVA462A − 6.19 − V
PLVA465A − 6.49 − V
PLVA468A − 6.80 − V
dynamic resistance 1 kHz superimposed;
I
is 10% of I
PLVA450A −−700 Ω
ZAC
; IZ= 250 µA
ZDC
PLVA453A −−250 Ω
PLVA456A to PLVA468A −−100 Ω
temperature coefficient IZ= 250 µA
PLVA450A − 0.20 − mV/K
PLVA453A − 1.60 − mV/K
PLVA456A − 1.90 − mV/K
PLVA459A − 2.40 − mV/K
PLVA462A − 2.65 − mV/K
PLVA465A − 2.90 − mV/K
PLVA468A − 3.40 − mV/K
reverse current VR= 80% VZnominal
PLVA450A −−20000 nA
PLVA453A −−5000 nA
PLVA456A −−1000 nA
PLVA459A −−500 nA
PLVA462A −−100 nA
PLVA465A −−50 nA
PLVA468A −−10 nA
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Philips Semiconductors Product specification
Low-voltage avalanche regulator diodes PLVA400A series
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
R
I
R
∆V
Z
V
n
reverse current VR= 50% VZnominal
PLVA450A − 34 − nA
PLVA453A − 22 − nA
PLVA456A − 1.1 − nA
PLVA459A − 0.9 − nA
PLVA462A − 0.9 − nA
PLVA465A − 0.9 − nA
PLVA468A − 0.8 − nA
reverse current VR= 90% VZnominal
PLVA450A − 21 −µA
PLVA453A − 3.5 −µA
PLVA456A − 1.3 −µA
PLVA459A − 1.0 −µA
PLVA462A − 0.05 −µA
PLVA465A − 0.04 −µA
PLVA468A − 0.006 −µA
line regulation
PLVA459A to PLVA468A I
PLVA456A I
PLVA450A I
PLVA453A I
noise voltage density f = 1 kHz; B = 1 kHz; IZ= 250 µA −−1.0
=10µA; IHi=1mA −−0.1 V
LO
=50µA; IHi=1mA −−0.1 V
LO
= 100 µA; IHi=1mA −−0.4 V
LO
= 100 µA; IHi=1mA −−0.2 V
LO
µV
----------- Hz
THERMAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS VALUE UNIT
R
R
th j-tp
th j-a
thermal resistance from junction to tie-point lead length 8 mm. 300 K/W
thermal resistance from junction to ambient lead length max. 380 K/W
1996 Apr 26 4
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Philips Semiconductors Product specification
Low-voltage avalanche regulator diodes PLVA400A series
PACKAGE OUTLINE
dbook, full pagewidth
Dimensions in mm.
1.85
max
25.4 min
4.25
max
25.4 min
0.56
max
MLA428 - 1
Fig.2 SOD27 (DO-35).
DEFINITIONS
Data sheet status
Objective specification This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1996 Apr 26 5
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