SC431L 데이터 시트보기 (PDF) - Semtech Corporation

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SC431L

Low Voltage Adjustable Shunt Regulator

Semtech Corporation 

SC431L

POWER MANAGEMENT

Absolute Maximum Ratings

Parameter

Cathode Voltage

Continous Cathode Current

Reference Input Current

Power Dissipation

SOT-23-3

at

TA

=

25°C

SOT-23-5

Thermal Resistance

SOT-23-3

SOT-23-5

Operating Ambient Temperature Range

SC431LC

SC431LI

Operating Junction Temperature Range

SC431LC

SC431LI

Storage Temperature Range

Lead Temperature (Soldering) 10 seconds

ESD Rating (Human Body Model)

Symbol

VZ

IZ

IREF

PD

θJA

TA

TJ

TSTG

TLEAD

VESD

Maximum

20

100

3

0.37

0.49

336

256

0 to +70

-40 to +85

0 to +150

-40 to +150

-65 to +150

300

2

Units

V

mA

mA

W

°C/W

°C

°C

°C

°C

kV

Electrical Characteristics

Unless specified:TA = 25°C. Values in bold apply over full operating ambient temperature range.

SC431L 0.25%

SC431L 0.5%

Parameter

Symbol

Condition

Min Typ Max Min Typ Max Units

Reference Voltage

VREF

VZ = VREF, IZ = 10mA(1)

1.237 1.240 1.243 1.234 1.240 1.246 V

1.224

1.256 1.222

1.258

VREF Temp Deviation

Ratio of Change in

VREF to Change in VZ

Reference Input

Current

IDREeFvTiaetmiopnerature

VDEV

∆VREF

∆VZ

IREF

IREF(DEV)

VZ = VREF, IZ = 10mA(1)

IZ = 10mA, ∆VZ = 16V to VREF

R1 = 10kΩ, R2 = ∞,

IZ = 10mA(2)

R1 = 10kΩ, R2 = ∞,

IZ = 10mA(2)

10

25

-1.0 -2.7

0.15 0.5

0.1 0.4

10 25 mV

-1.0 -2.7 mV/V

0.15 0.5 µA

0.1 0.4 µA

Off-State Cathode

Current

IZ (OFF)

VREF = 0V, VZ = 6V(3)

VREF = 0V, VZ = 16V(3)

0.125 0.150

0.135 0.150

0.125 0.150 µA

0.135 0.150

 2008 Semtech Corp.

2

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