CAT431LEZR-TEAP 반도체 회로 부품 판매점
Low-Voltage Adjustable Precision Voltage Reference
|
|
 Catalyst Semiconductor |
CAT431L
Low-Voltage Adjustable Precision Voltage Reference
- 0.5% Tolerance
- SOT23 and TO92 Packages
- Low Startup Overshoot
FEATURES
s Low startup overshoot
s Wide current operation: 40µA to 100mA
s Low temperature coefficient reference: +12mV
max deviation over temperature
s Accurate 1.24V reference voltage: +0.5%
(+6mV) at 25°C
s Low dynamic impedance: 0.3Ω at 1kHz
s Compact 3-lead SOT23 package option
s Industrial temperature range: -40°C to 85°C
s Adjustable output voltage: V to 6V
REF
APPLICATIONS
s SMPS control loop
s Shunt regulator
s Low temperature coefficient voltage reference
s Current limiting
s Over/Under voltage monitor
s 3V Off-line switching regulators
DESCRIPTION
The CAT431L is a low-voltage three-terminal
adjustable shunt voltage reference with guaranteed
thermal stability over the industrial temperature range.
The CAT431L has a lower 1.24V reference and wider
operating current range than the widely used TL431
and TL431A shunt-regulator references. Compared
to the TLV431/A, the CAT431L 1.24V reference is two
times more accurate.
FUNCTIONAL DIAGRAM
Minimal overshoot at startup and wide AC bandwidth
make the CAT431L easy to apply in a wide set of
applications. When used with an opto-coupler, the
CAT431L is an ideal voltage reference in isolated
feedback circuits for 3V to 3.3V switch-mode power
supplies.
CATHODE
REF
1.24 VREF
+
–
CATHODE
REF
ANODE
ANODE
© 2003 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 4006, Rev. J
CAT431L
PIN CONFIGURATION
SOT-23
TOP VIEW
2 CATH
ANODE 3
1 REF
SOT-23-5
TOP VIEW
NC 1
5 ANODE
NC 2
CATH 3
4 REF
TO-92
TOP VIEW
CATH
ANODE
REF
PIN DESCRIPTIONS
Pin Name
CATH
REF
ANODE
Function
Output and supply terminal, must be greater than 1.24V for normal
operation
Input, nominally 1.24V in normal operation
Ground and Substrate
ORDERING INFORMATION
Part Number
CAT431LEUR-TE7
CAT431LEUK-TE7
CAT431LEZR-TEAP
TE7 = 7" Reel, 3,000 parts per reel
TEAP = Ammopack, 3,000 parts per reel
Package
3-Pin, SOT-23
5-Pin, SOT-23
3-Pin, TO-92
Ambient Temperature Range
-40° C to 85° C
-40° C to 85° C
-40° C to 85° C
Doc. No. 4006, Rev. J
2
|
PDF 파일 내의 페이지 : 총 11 페이지
제조업체: Catalyst Semiconductor
( catalyst )
CAT431LEZR-TEAP data
데이터시트 다운로드 :
[ CAT431LEZR-TEAP.PDF ]
[ CAT431LEZR-TEAP 다른 제조사 검색 ]
국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
