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LM4132 데이터시트 PDF




National Semiconductor에서 제조한 전자 부품 LM4132은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 LM4132 기능
기능 SOT-23 Precision Low Dropout Voltage Reference
제조업체 National Semiconductor
로고 National Semiconductor 로고


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LM4132 데이터시트, 핀배열, 회로
September 2005
LM4132
SOT-23 Precision Low Dropout Voltage Reference
General Description
Features
The LM4132 family of precision voltage references performs n Output initial voltage accuracy 0.05%
comparable to the best laser-trimmed bipolar references, but n Low temperature coefficient 10ppm/˚C
in cost effective CMOS technology. The key to this break n Low Supply Current, 60µA
through is the use of EEPROM registers for correction of n Enable pin allowing a 3µA shutdown mode
curvature, tempco, and accuracy on a CMOS bandgap ar- n 20mA output current
chitecture that allows package level programming to over-
come assembly shift. The shifts in voltage accuracy and
tempco during assembly of die into plastic packages limit the
maccuracy of references trimmed with laser techniques.
Unlike other LDO references, the LM4132 is capable of
odelivering up to 20mA and does not require an output ca-
pacitor or buffer amplifier. These advantages and the SOT23
.cpackaging are important for space-critical applications.
Series references provide lower power consumption than
shunt references, since they do not have to idle the maxi-
Umum possible load current under no load conditions. This
advantage, the low quiescent current (60µA), and the low
t4dropout voltage (400mV) make the LM4132 ideal for battery-
powered solutions.
The LM4132 is available in five grades (A, B, C, D and E) for
egreater flexibility. The best grade devices (A) have an initial
accuracy of 0.05% with guaranteed temperature coefficient
eof 10ppm/˚C or less, while the lowest grade parts (E) have
han initial accuracy of 0.5% and a tempco of 30ppm/˚C.
n Voltage options 2.048V, 2.5V, 4.096V
n Custom voltage options available (1.8V to 4.096V)
n VIN range of VREF + 400mV to 5.5V @ 10mA
n Stable with low ESR ceramic capacitors
n SOT23-5 Package
Applications
n Instrumentation & Process Control
n Test Equipment
n Data Acquisition Systems
n Base Stations
n Servo Systems
n Portable, Battery Powered Equipment
n Automotive & Industrial
n Precision Regulators
n Battery Chargers
n Communications
n Medical Equipment
STypical Application Circuit
www.Data om*Note: The capacitor CIN is required and the capacitor COUT is optional.
www.DataSheet4U.c© 2005 National Semiconductor Corporation DS201513
20151301
www.national.com




LM4132 pdf, 반도체, 판매, 대치품
Electrical Characteristics
LM4132-2.5 (VOUT = 2.5V) Limits in standard type are for TJ = 25˚C only, and limits in boldface type apply
over the junction temperature (TJ) range of -40˚C to +125˚C. Minimum and Maximum limits are guaranteed through test, de-
sign, or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25˚C, and are provided for ref-
erence purposes only. Unless otherwise specified VIN = 5V and ILOAD = 0
Symbol
VREF
TCVREF / ˚C
(Note 6)
Parameter
Output Voltage Initial Accuracy
LM4132A-2.5
LM4132B-2.5
LM4132C-2.5
LM4132D-2.5
LM4132E-2.5
Temperature Coefficient
LM4132A-2.5
IQ
IQ_SD
VREF/VIN
VREF/ILOAD
VREF
VIN - VREF
VN
ISC
VIL
VIH
LM4132B-2.5
LM4132C-2.5
LM4132D-2.5
LM4132E-2.5
Supply Current
Supply Current in Shutdown
Line Regulation
Load Regulation
Long Term Stability (Note 7)
Thermal Hysteresis (Note 8)
Dropout Voltage (Note 9)
Output Noise Voltage
Short Circuit Current
Enable Pin Maximum Low Input
Level
Enable Pin Minimum High Input
Level
Conditions
Typ
Min (Note Max
(Note 4) 5) (Note 4)
Unit
(A Grade - 0.05%)
(B Grade - 0.1%)
(C Grade - 0.2%)
(D Grade - 0.4%)
(E Grade - 0.5%)
-0.05
-0.1
-0.2
-0.4
-0.5
0.05
0.1
0.2
0.4
0.5
%
0˚C TJ + 85˚C
-40˚C TJ +125˚C
-40˚C TJ +125˚C
EN = 0V
VREF + 400mV VIN 5.5V
0mA ILOAD 20mA
1000 Hrs
-40˚C TJ +125˚C
ILOAD = 10mA
0.1 Hz to 10 Hz
10
20
20
20
20
30
60 100
37
50
25 120
50
75
175 400
240
75
35
65
ppm / ˚C
µA
µA
ppm / V
ppm / mA
ppm
mV
µVPP
mA
%VIN
%VIN
www.national.com
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LM4132 전자부품, 판매, 대치품
Typical Performance Characteristics for 2.5V
Output Voltage vs Temperature
Load Regulation
Line Regulation
20151354
0.1 - 10 Hz Noise
20151355
20151356
Output Voltage Noise Spectrum
20151321
Power Supply Rejection Ratio vs Frequency
20151357
7
20151358
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