LX432ISETR

更新时间： 2024-10-28 13:09:55

品牌	Logo	应用领域
美高森美 - MICROSEMI		稳压器
页数	文件大小	规格书
8页	156K
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LX432ISETR 数据手册

LX432

LOW VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS

T H E I N F I N I T E P O W E R O F I N N O V A T I O N

P R O D U C T I O N D A T A S H E E T

DESCRIPTION

KEY FEATURES

Low Voltage Operation: 1.24V Reference

Initial Voltage Reference Accuracy 1%

Adjustable Output Voltage From V_REFTo 20V

Typical Output Dynamic Impedance Less

Than 250mΩ

Sink Current Capability 80µA To 20mA

Direct Alternative To TLV431

The LX432 series are low-voltage pre-

cision adjustable shunt regulators

with a reference voltage of 1.24V. The

output voltage may be set to any value

between 1.24V and 20V by two external

resistors.

These devices offer low output im-

pedance for improved load regula-

tion — typical output impedance is

250mΩ. The LX432 series operates with

an operating current as low as 80µA,

making these devices suitable for por-

table and micropower applications.

Low voltage operation enables the

LX432 to be used in the feedback loop

of isolated low voltage power sup-

plies. The minimum output voltage is

determined by the LX432 output voltage

plus the forward voltage drop of the

opto-coupler LED (typically 1.24 + 1.4 =

2.64V minimum). See Figure 10.

The LX432 is offered in 3 and 5-pin

SOT-23 or TO-92 packages, and is a drop-

in replacement for the TLV431 and

SC431L devices.

APPLICATIONS

Low Voltage Adjustable Power Supplies

Instrumentation

Computers

Portable Equipment

IMPORTANT: For the most current data, consult LinFinity's web site: http://www.linfinity.com.

PRODUCT HIGHLIGHT

TY P I C A L PR O G R A M M A B L E VO LTA G E

RE F E R E N C E CI R C U I T

V_IN

V_KA

Cathode

LX432

Reference

Anode

GND

PACKAGE ORDER INFORMATION

Plastic SOT-23

3-pin

Plastic SOT-23

5-pin

Plastic TO-92

T_A(°C)

3-pin

LX432CLP

LX432ILP

0 to 70

LX432CSC

LX432ISC

LX432CSE

LX432ISE

-40 to 85

Note: All surface-mount packages are available in Tape & Reel.

Append the letter "T" to part number. (i.e. LX432CSET)

TO-92 (LP) package also available in ammo-pack.

L I N F I N I T Y M I C R O E L E C T R O N I C S I N C .

11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570

Rev. 1.0 9/99

12 3 4 5 6 7 8

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