EC432L|Adjustable Precision Shunt Regulator


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EC432L

 

Adjustable Precision Shunt Regulator

Converter

 

 

 

 

Descriptions

 

The EC432L is a low voltage three terminal adjustable shunt regulator with a guaranteed thermal stability over applicable temperature ranges. The output voltage can be set to any value between VREF (approximately 1.24 V) to 8V with two external resistors. This device has a typical output impedance of 0.30Ω. Active output circuitry provides a very sharp turn on characteristic, making this device excellent replacement for Zener diodes in many applications.

The EC432L is characterized for operation from -40℃ to 105℃, and two package options (SOT-23SC59 and TO-92) allow the designer the opportunity to select the proper package for their applications.

 

Feature

 

Low voltage operation (1.24V)

​​ Adjustable output voltage V0 =VREF to 8V

Wide operating current range 60A to 100mA

Low dynamic output impedance 0.30Ω (Typ.)

Trimmed bandgap design up to + 0.5%.

ESD rating is 2.5KV(Per MIL-STD-883D)

100% Lead (Pb)-Free.

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Application

 

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Ordering Information

 

 ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ EC432L NX XXX X

N0.5%

A:1%

RTape & Reel

 

 

 

SB1:SOT23

B1SC59-3L

A6:TO-92-3L

 

 

 

Part Number

Package

Marking

Marking Information

EC432LNNSB1R

EC432LNASB1R

SOT23

​​ ​​ S432Lx

 ​​​​ 1. The last character is the batch number.

2. Lead-free package isindicated by a dot

 ​​ ​​ ​​​​ on top of the last character.

EC432LNNB1R

EC432LNAB1R

SC59-3L

S432Lx

1. The last character is the batch number.

2. Lead-free package isindicated by a dot

on top of the last character.

EC432LNNA6R

EC432LNAA6R

TO92-3L

SE432L

xxxx

  • xxxx is the batch number.

  • Lead-free package is indicated by LF after

 ​​ ​​ ​​ ​​ ​​​​ ​​ xxxx

 

 

 

Pin Configuration  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 

 

 ​​​​ SOT-23-3 /SC59-3L

(Top View)TO-92

(Top View)

 

 

 

 

 

 

 

 

 

 

 

 

 

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Absolute Maximum Ratings ​​  ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ 

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Parameter

Symbol

Maximum

Units

Cathode Voltage

VKA

8

V

Continuous Cathode Current

I KA

150

mA

Reference Current

I REF

3

mA

Operating Junction Temperature Range

TJ

150

°C

Storage Temperature Range

TSTG

-45 to 150

°C

Thermal Resistance

JA

 

230 (SOT-23-3)

°C/W

220 (TO-92)

Lead Temperature (Soldering) 10 seconds

TLEAD

260

°C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Electrical Characteristics

Parameter

Symbol

Test Conditions & Circuit

Min

Typ

Max

Unit

Reference

Voltage

0.5%

VREF

Test circuit #1

VKA = VREF, IKA = 10mA

1234

1240

1246

mV

1.0%

1228

1240

1252

1.5%

1221

1240

1259

2.0%

1215

1240

1265

 

1.25V ​​ 1%(1)

1237

1250

1263

Deviation of Reference Voltage over

Full Temperature Range

VI(DEV)

Test circuit #1

VKA = VREF, IKA = 10mA,

TA =-40°C - 105°C

--

68

 

mV

Ratio of Change in Reference Voltage

to the Change in Cathode Voltage

VREF/VKA

Test circuit #2

IKA = 10mA,VKA = 8V to VREF

--

1.0

2.7

mV/V

Reference Current

IREF

Test circuit #2

IKA = 10mA, R1=10kΩ, R2 =

--

0.15

2

µA

Deviation of Reference Current over

Full Temperature Range

II(DEV)

Test circuit #2

IKA = 10mA, R1=10kΩ, R2 =

TA = 0°C - 105°C

--

0.10

 

µA

Minimum Cathode Current for

Regulation

IMIN

Test circuit #1

VKA = VREF

--

60

100

µA

Off-state Cathode Current

IOFF

Test circuit #3

VKA = 8V, VREF = 0

--

0.04

0.8

µA

Dynamic Impedance

| ZKA |

Test circuit #1

IKA = 100µA - 80mA,

VKA = VREF, f ≤ 1kHZ

--

0.30

1

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Note 1: Upon Customer Request.

 

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Typical Performance Characteristics

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