SC431CSQT データシートの表示（PDF） - Semtech Corporation
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SC431CSQT Datasheet PDF : 9 Pages
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SC431
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not implied.
Parameter
Symbol
Maximum
Units
Cathode Voltage
Continous Cathode Current
Reference Input Current
Power Dissipation
SOT-23-3
at
TA
=
25°C
SO-8
VZ
31
V
IZ
150
mA
IREF
10
mA
PD
0.37
W
0.78
Thermal Resistance
SOT-23-3
SO-8
θJA
336
°C/W
163
Operating Ambient Temperature Range
SC431Cx-.5, SC431Cx-1, SC431Cx-2
SC431CxQ
TA
-40 to +85
°C
-40 to +125
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 seconds
ESD Rating (Human Body Model)
TJ
-40 to +150
°C
TSTG
-65 to +150
°C
TLEAD
300
°C
VESD
2
kV
Electrical Characteristics
Unless specified:TA = 25°C. Values in bold apply over full operating ambient temperature range.
SC431Cx-.5,
SC431CxQ
SC431Cx-1
Parameter
Symbol
Condition
Min Typ Max Min Typ Max Units
Reference Voltage
VREF Temp Deviation
Ratio of Change in
VREF to Change in VZ
Reference Input
Current
DIREeFvTiaetmiopnerature
Off-State Cathode
Current
Dynamic Output
Impedance
Minimum Operating
Current
VREF
VDEV
∆VREF
∆VZ
IREF
IREF(DEV)
IZ (OFF)
rZ
IZ (MIN)
VZ = VREF, IZ = 10mA(1)
VZ = VREF, IZ = 10mA(1)
IZ = 10mA, ∆VZ = 10V to VREF
IZ = 10mA, ∆VZ =30V to 10V
R1 = 10kΩ, R2 = ∞,
IZ = 10mA(2)
R1 = 10kΩ, R2 = ∞,
IZ =10mA(2)
VREF = 0V, VZ =30V(3)
2.482
2.495
8
-0.5
-1.0
0.5
0.4
0.04
2.507
17
-2.7
-2.0
4
1.2
0.50
2.470
2.495
8
-0.5
-1.0
0.5
0.4
0.04
2.520
25
-2.7
-2.0
4
1.2
0.50
V
mV
mV/V
µA
µA
µA
IZ
f < 1kHz,
= 130µA
tVoZ1=00VmREAF (1)
VZ
=
V (1)
REF
0.25 0.50
130
0.25 0.50 Ω
130 µA
2008 Semtech Corp.
2
www.semtech.com
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