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부품번호 | ZR2431N801 기능 |
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기능 | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | ||
제조업체 | ETC | ||
로고 | |||
전체 7 페이지수
ADJUSTABLE PRECISION
ZENER SHUNT REGULATOR
ISSUE 3 DECEMBER 1997
DEVICE DESCRIPTION
The ZR2431 is a three terminal adjustable
shunt regulator offering excellent
temperature stability and output current
handling capability up to 25mA. The output
voltage may be set to any chosen voltage
between 1.24 and 15 volts by selection of
two external divider resistors.
The devices can be used as a replacement
for zener diodes in many applications
requiring an improvement in zener
performance.
The ZR2431 is particularly used in the
feedback control loop of switch mode power
supplies. In this application the device 1.24
volt reference enables the generation of low
voltage supplies, typically 3.3 volts or 3 volts.
SCHEMATIC DIAGRAM
Vref
ZR2431
FEATURES
• Surface mount SOT23, SOT223, SOT89
and SO8 packages
• TO92 package
• 2.5% and 1% tolerance
• Maximum temperature coefficient 52
ppm/°C
• Temperature compensated for
operation over the full temperature
range
• Programmable output voltage
• 100µA to 25mA current sink capability
• Low output noise
APPLICATIONS
• Shunt regulator
• Series regulator
• Voltage monitor
• Over voltage/ under voltage protection
• Switch mode power supplies
VZ
4-154
Gnd
TYPICAL CHARACTERISTICS
ZR2431
60
50
40
30
20
10
0
100
Iz = 10mA
47k
10µF
IZ
47k
VZ
240Ω
+
-
1k 10k 100k
Frequency (Hz)
Gain v Frequency
1M
IZ = 10mA, TA = 25°C
Test Circuit for Open Loop Voltage Gain
2.0
1.0
0
5.0
2.5
0
0
Single
Pulse
Repetitive
Pulse
Vz
Input Monitor
120Ω
VZ
Pulse
Generator
50Ω
INPUT
100 200 300 400
Time (us)
Pulse Response
TA = 25°C
500
Test Circuit for Pulse Response
Vref < VZ < 20, IZ = 10mA, TA = 25°C
30
25
STABLE
20
15
STABLE
10 UNSTABLE
5
0
10p 100p 1n 10n .1µ
1µ 10µ
Load Capacitance(F)
Stablity Boundary Conditions
Input
150Ω
IZ
100µF
10k
Test Circuit for Stability
Boundary Conditions
VZ
4-157
4페이지 ZR2431
CONNECTION DIAGRAMS
SO8 Package Suffix – N8
SOT223 Package Suffix – G
Top View
SOT23 Package Suffix – F
Top View –
Pin 4 floating or connected to pin 2
TO92 Package Suffix – C
Top View
SOT89 Package Suffix – Z
Top View
Bottom View
ORDERING INFORMATION
Part Number
ZR2431N802
ZR2431N801
ZR2431G02
ZR2431G01
ZR2431F02
ZR2431F01
ZR2431Z02
ZR2431Z01
ZR2431C02
ZR2431C01
Package
SO8
SO8
SOT223
SOT223
SOT23
SOT23
SOT89
SOT89
TO92
TO92
Tol
%
2.5
1
2.5
1
2.5
1
2.5
1
2.5
1
Part Mark
ZR243102
ZR243101
ZR243102
ZR243101
24D
24E
24D
24E
ZR243102
ZR243101
4-160
7페이지 | |||
구 성 | 총 7 페이지수 | ||
다운로드 | [ ZR2431N801.PDF 데이터시트 ] |
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
ZR2431N801 | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | ETC |
ZR2431N802 | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | ETC |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |