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Details, datasheet, quote on part number:LM4050C
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| Part: | LM4050C |
| Category: | Power Management => Voltage References |
| Description: | LM4050, LM4051 50ppm/°C Precision Micropower Shunt Voltage References With Multiple Reverse Breakdown Voltages |
| Company: | Maxim Integrated Products |
| Datasheet: | Download LM4050C datasheet File size : 596 kB |
| Request For quote: | Find where to buy LM4050C
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Datasheet text preview:
19-2563; Rev 1; 3/03
50ppm/°C Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages
General Description
The LM4050/LM4051 are precision two-terminal, shuntmode, bandgap voltage references available in fixed reverse breakdown voltages of 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. Ideal for space-critical applications, the LM4050/LM4051 are offered in the s u b m i n i a t u r e 3-pin SC70 surface-mount packages ( 1 . 8 m m x 1.8mm), 50% smaller than comparable devices in SOT23 surface-mount package (SOT23 versions are also available). L a s e r - t r i m m e d resistors ensure excellent initial accuracy. With a 50ppm/°C temperature coefficient, these devices are offered in three grades of initial accuracy ranging from 0.1% to 0.5%. The LM4050/LM4051 have a 60µA to 15mA shunt-current capability with low dynamic impedance, ensuring stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents. The LM4050/LM4051 do n o t require an external stabilizing capacitor while ensuring stability with any capacitive loads. T h e LM4050/LM4051 specifications are guaranteed over the temperature range of -40°C to +125°C.
Features
o 50ppm/°C (max) Temperature Coefficient Guaranteed over the -40°C to +125°C Temperature Range o Ultra-Small 3-Pin SC70 Package o 0.1% (max) Initial Accuracy o Wide Operating Current Range: 60µA to 15mA o Low 28µVRMS Output Noise (10Hz to 10kHz) o 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V Fixed Reverse Breakdown Voltages o No Output Capacitors Required o Tolerates Capacitive Loads
LM4050/LM4051
Selector Guide
PART LM4050_IM3-2.1 LM4050_IX3-2.1 LM4050_IM3-2.5 LM4050_IX3-2.5 LM4050_IM3-3.0 LM4050_IX3-3.0 LM4050_EX3-3.3 LM4050_IM3-4.1 LM4050_IX3-4.1 LM4050_IM3-5.0 LM4050_IX3-5.0 LM4051_IM3-1.2 TEMP RANGE OUTPUT PINVOLTAGE PACKAGE (V) 2.048 2.048 2.500 2.500 3.000 3.000 3.300 4.096 4.096 5.000 5.000 1.225 1.225
-40°C to +125°C 3 SOT23-3 -40°C to +125°C 3 SC70-3 -40°C to +125°C 3 SOT23-3 -40°C to +125°C 3 SC70-3 -40°C to +125°C 3 SOT23-3 -40°C to +125°C 3 SC70-3 -40°C to +125°C 3 SC70-3 -40°C to +125°C 3 SOT23-3 -40°C to +125°C 3 SC70-3 -40°C to +125°C 3 SOT23-3 -40°C to +125°C 3 SC70-3 -40°C to +125°C 3 SOT23-3 -40°C to +125°C 3 SC70-3
________________________Applications
Portable, Battery-Powered Equipment Notebook Computers Cell Phones Industrial Process Controls
Typical Operating Circuit
VS ISHUNT + ILOAD RS ILOAD VR ISHUNT LM4050/LM4051
LM4051_IX3-1.2
Ordering Information appears at end of data sheet.
Pin Configuration
TOP VIEW
+ 1
LM4050/ LM4051
-2
3
N.C.*
SC70-3/SOT23-3
*PIN 3 MUST BE LEFT FLOATING OR CONNECTED TO PIN 2.
________________________________________________________________ Maxim Integrated Products
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For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
50ppm/°C Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages
LM4050/LM4051
ABSOLUTE MAXIMUM RATINGS
Reverse Current (cathode to anode) ..........20mA Forward Current (anode to cathode) ..........10mA ESD per Method 3015.7 Human Body Model .......2000V Machine Model........200V Continuous Power Dissipation (TA = +70°C) 3-Pin SC70 (derate 2.17mW/°C above +70°C) ...174mW 3-Pin SOT23 (derate 4.01mW/°C above +70°C)..........320mW Operating Temperature Range LM4050/LM4051_I_ _ _..........-40°C to +125°C Storage Temperature Range .....-65°C to +150°C Junction Temperature ......+150°C Lead Temperature (soldering, 10s)..........+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS--1.225V
(IR = 100µA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER Reverse Breakdown Voltage SYMBOL VR TA = +25°C LM4051A Reverse Breakdown Voltage Tolerance (Note 2) Minimum Operating Current Average Reverse Voltage Temperature Coefficient (Notes 2, 3) Reverse Breakdown Voltage Change with Operating Current Change Reverse Dynamic Impedance (Note 3) Wideband Noise Reverse Breakdown Voltage Long-Term Stability ZR eN VR V RTOL IRMIN VR/T IR = 10mA IR = 1mA IR = 100µA IRMIN IR 1mA 1mA IR 12mA IR = 1mA, f = 120Hz, IAC = 0.1IR IR = 100µA, 10Hz f 10kHz T = 1000h LM4051B LM4051C CONDITIONS LM4051A (0.1%) LM4051B (0.2%) LM4051C (0.5%) MIN 1.2238 1.2226 1.2189 TYP 1.2250 1.2250 1.2250 ±1.2 ±2.4 ±6.0 45 ±20 ±15 ±15 0.7 2.5 0.5 20 120 1.5 mV 8.0 1.5 µVRMS ppm MAX 1.2262 1.2275 1.2311 ±7 ±9 ±12 60 ±50 µA ppm/°C mV V UNITS
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50ppm/°C Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages
ELECTRICAL CHARACTERISTICS--2.048V
(IR = 100µA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER Reverse Breakdown Voltage SYMBOL VR TA = +25°C LM4050A Reverse Breakdown Voltage Tolerance (Note 2) Minimum Operating Current Average Reverse Voltage Temperature Coefficient (Notes 2, 3) Reverse Breakdown Voltage Change with Operating Current Change Reverse Dynamic Impedance (Note 3) Wideband Noise Reverse Breakdown Voltage Long-Term Stability ZR eN VR V RTOL IRMIN VR/T IR = 10mA IR = 1mA IR = 100µA IRMIN IR 1mA 1mA IR 15mA IR = 1mA, f = 120Hz, IAC = 0.1IR LM4050A/B LM4050C LM4050B LM4050C CONDITIONS LM4050A (0.1%) LM4050B (0.2%) LM4050C (0.5%) MIN 2.0460 2.0439 2.0378 TYP 2.0480 2.0480 2.0480 ±2.0 ±4.0 ±10 45 ±20 ±15 ±15 0.3 2.5 0.3 0.3 28 120 1.0 mV 8.0 0.8 0.9 µVRMS ppm MAX 2.0500 2.0521 2.0582 ±12 ±14 ±20 65 ±50 µA ppm/°C mV V UNITS
LM4050/LM4051
IR = 100µA, 10Hz f 10kHz T = 1000h
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