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MAX6023EBT30+T
Precision, Low-Power, Low-Dropout, UCSP Voltage Reference
General DescriptionThe MAX6023 is a family of low-dropout, micropower
voltage references in a 5-bump, chip-scale package
(UCSP™). The MAX6023 series-mode (three-terminal)
references, which operate with input voltages from 2.5V
to 12.6V (1.25V and 2.048V options) or (VOUT+ 0.2V) to
12.6V (all other voltage options), are available with out-
put voltage options of 1.25V, 2.048V, 2.5V, 3.0V,
4.096V, 4.5V, and 5.0V. These devices are guaranteed
an initial accuracy of ±0.2% and 30ppm/°C tempera-
ture drift over the -40°C to +85°C extended temperature
range.
UCSPs offer the benefit of moving to smaller footprint
and lower profile devices, significantly smaller than even
SC70 or SOT23 plastic surface-mount packages. The
significantly lower profile (compared to plastic SMD
packages) of the UCSP makes the device ideal for
height-critical applications. Miniature UCSP packages
also enable device placement close to sources and
allow more flexibility in a complex or large design layout.
The MAX6023 voltage references use only 27µA of sup-
ply current. And unlike shunt-mode (two-terminal) refer-
ences, the supply current of the MAX6023 family varies
only 0.8µA/V with supply-voltage changes, translating to
longer battery life. Additionally, these internally compen-
sated devices do not require an external compensation
capacitor and are stable up to 2.2nF of load capaci-
tance. The low-dropout voltage and the low supply cur-
rent make these devices ideal for battery-operated
systems.
ApplicationsHand-Held Equipment
Data Acquisition Systems
Industrial and Process Control Systems
Battery-Operated Equipment
Hard-Disk Drives
Features5-Bump UCSP Package (1.0mm ✕1.5mm ✕0.3mm)No Output Capacitor Needed±0.2% (max) Initial Accuracy30ppm/°C (max) Temperature Coefficient35µA (max) Quiescent Supply Current0.8µA/V (max) Supply Current Variation with VIN100mV Dropout at 500µA Load CurrentLine Regulation: 160µV/V (max)Output Voltage Options: 1.25V, 2.048V, 2.5V, 3.0V,
4.096V, 4.5V, 5.0V
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
Ordering InformationMAX6023*
*CAPACITOR IS OPTIONAL.
REFERENCE
OUT
OUT
GND
+SUPPLY INPUT (SEE SELECTOR GUIDE)
ypical Operating Circuit19-2182; Rev 2; 12/02
PARTTEMP RANGEBUMP-
PACKAGE
TOP
MARKMAX6023EBT12-T-40°C to +85°C5 UCSP*-5AAO
MAX6023EBT21-T-40°C to +85°C5 UCSP-5AAT
MAX6023EBT25-T-40°C to +85°C5 UCSP-5AAP
MAX6023EBT30-T-40°C to +85°C5 UCSP-5AAS
MAX6023EBT41-T-40°C to +85°C5 UCSP-5AAQ
MAX6023EBT45-T-40°C to +85°C5 UCSP-5AAR
MAX6023EBT50-T-40°C to +85°C5 UCSP-5AAU
Pin Configuration appears at end of data sheet.
*UCSP reliability is integrally linked to the user’s assembly meth-
ods, circuit board material, and environment. See the UCSP
Reliability Notice in the UCSP Reliability section of this data sheet
for more information.
PARTVOUT (V)INPUT VOLTAGE (V)MAX6023EBT121.2502.5V to 12.6
MAX6023EBT212.0482.5V to 12.6
MAX6023EBT252.500(VOUT + 200mV) to 12.6
MAX6023EBT303.000(VOUT + 200mV) to 12.6
MAX6023EBT414.096(VOUT + 200mV) to 12.6
MAX6023EBT454.500(VOUT + 200mV) to 12.6
MAX6023EBT505.000(VOUT + 200mV) to 12.6
Selector Guide
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS–MAX6023EBT12 (VOUT= 1.250V)(VIN= +5V, IOUT= 0, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
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.
(Voltages Referenced to GND)
IN.........................................................................-0.3V to +13.5V
OUT.............................................................-0.3V to (VIN+ 0.3V)
Output Short Circuit to GND or IN (VIN< 6V)............Continuous
Output Short Circuit to GND or IN (VIN≥6V).........................60s
Continuous Power Dissipation (TA= +70°C)
5-Bump UCSP (derate 3.4mW/°C above +70°C)........273mW
Operating Temperature Range ..........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Bump Temperature (soldering, 10s)................................+300°C
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUTOutput VoltageVOUTTA = +25°C1.2471.2501.253V
Initial Voltage AccuracyTA = +25°C-0.24+0.24%
Output Voltage Temperature
Coefficient(Note 3)1030ppm/°C
Line RegulationΔVOUT/
ΔVIN2.5V ≤ VIN ≤ 12.6V1080µV/V
0 ≤ IOUT ≤ 400µA0.41.0Load RegulationΔVOUT/
ΔIOUT-400µA ≤ IOUT ≤ 00.51.1µV/µA
Short to GND4Short-Circuit CurrentISCShort to IN10mA
Temperature Hysteresis(Note 4)90ppm
Long-Term StabilityΔVOUT/
time1000hr at TA = +25°C30ppm/
1000hr
DYNAMIC CHARACTERISTICSf = 0.1Hz to 10Hz25µVp-pNoise VoltageeOUTf = 10Hz to 10kHz65µVRMS
Ripple RejectionΔVOUT/
ΔIOUTVIN = +5V ±100mV, f = 120Hz86dB
Turn-On Settling TimetRTo VOUT within 0.1% of final value,
COUT = 50pF30µs
Capacitive-Load Stability RangeCOUT(Note 3)02.2nF
INPUTSupply-Voltage RangeVINGuaranteed by line-regulation test2.512.6V
Supply CurrentIIN2735µA
Change in Supply CurrentΔIIN/ΔVIN2.5V ≤ VIN ≤ 12.6V0.82.0µA/V
Note 1:This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the device
can be exposed to during board-level solder attach and rework. This limit permits only the use of solder profiles recom-
mended in the industry-standard specification, JEDEC 020A, paragraph 7.6, Table 3 for IR/VPR and convection reflow.
Preheating is required. Hand or wave soldering is not allowed.
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ELECTRICAL CHARACTERISTICS–MAX6023EBT21 (VOUT= 2.048V)(VIN= +5V, IOUT= 0, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUTOutput VoltageVOUTTA = +25°C2.0442.0482.052V
Initial Voltage AccuracyTA = +25°C-0.20+0.20%
Output Voltage Temperature
Coefficient(Note 3)1030ppm/°C
Line RegulationΔVOUT/
ΔVIN2.5V ≤ VIN ≤ 12.6V20100µV/V
0 ≤ IOUT ≤ 500µA0.51.4Load RegulationΔVOUT/
ΔIOUT-500µA ≤ IOUT ≤ 00.30.70µV/µA
Short to GND4Short-Circuit CurrentISCShort to IN10mA
Temperature Hysteresis(Note 4)90ppm
Long-Term StabilityΔVOUT/
time1000hr at TA = +25°C50ppm/
1000hr
DYNAMIC CHARACTERISTICSf = 0.1Hz to 10Hz40µVp-pNoise VoltageeOUTf = 10Hz to 10kHz105µVRMS
Ripple RejectionΔVOUT/
ΔIOUTVIN = +5V ±100mV, f = 120Hz82dB
Turn-On Settling TimetRTo VOUT within 0.1% of final value,
COUT = 50pF85µs
Capacitive-Load Stability RangeCOUT(Note 3)02.2nF
INPUTSupply-Voltage RangeVINGuaranteed by line-regulation test2.512.6V
Supply CurrentIIN2735µA
Change in Supply CurrentΔIIN/ΔVIN2.5V ≤ VIN ≤ 12.6V0.82.0µA/V
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ELECTRICAL CHARACTERISTICS–MAX6023EBT25 (VOUT= 2.500V)(VIN= +5V, IOUT= 0, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUTOutput VoltageVOUTTA = +25°C2.4952.52.505V
Initial Voltage AccuracyTA = +25°C-0.20+0.20%
Output Voltage Temperature
Coefficient(Note 3)1030ppm/°C
Line RegulationΔVOUT/
ΔVIN(VOUT + 0.2V) ≤ VIN ≤ 12.6V25140µV/V
0 ≤ IOUT ≤ 500µA0.51.4Load RegulationΔVOUT/
ΔIOUT-500µA ≤ IOUT ≤ 00.30.8
µV/µA
Short to GND4Short-Circuit CurrentISCShort to IN10mA
Dropout Voltage( V IN - V OU T) IOUT = 500µA (Note 5)100200mV
Temperature Hysteresis(Note 4)90ppm
Long-Term StabilityΔVOUT/
time1000hr at TA = +25°C50ppm/
1000hr
DYNAMIC CHARACTERISTICSf = 0.1Hz to 10Hz60µVp-pNoise VoltageeOUTf = 10Hz to 10kHz125µVRMS
Ripple RejectionΔVOUT/
ΔIOUTVIN = +5V ±100mV, f = 120Hz82dB
Turn-On Settling TimetRTo VOUT within 0.1% of final value,
COUT = 50pF85µs
Capacitive-Load Stability RangeCOUT(Note 3)02.2nF
INPUTSupply-Voltage RangeVINGuaranteed by line-regulation testVOUT
+ 0.212.6V
Supply CurrentIIN2735µA
Change in Supply CurrentΔIIN/ΔVIN(VOUT + 0.2V) ≤ VIN ≤ 12.6V0.82.0µA/V
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ELECTRICAL CHARACTERISTICS–MAX6023EBT30 (VOUT= 3.000V)(VIN= +5V, IOUT= 0, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITSOutput VoltageVOUTTA = +25°C2.9943.0003.006V
Initial Voltage AccuracyTA = +25°C-0.20+0.20%
Output Voltage Temperature
Coefficient(Note 3)1030ppm/°C
Line RegulationΔVOUT/
ΔVIN(VOUT + 0.2V) ≤ VIN ≤ 12.6V40140µV/V
0 ≤ IOUT ≤ 500µA0.71.5Load RegulationΔVOUT/
ΔIOUT-500µA ≤ IOUT ≤ 00.40.8µV/µA
Dropout Voltage(VIN -
VOUT)IOUT = 500µA (Note 5)100200mV
Short to GND4Short-Circuit CurrentISCShort to IN10mA
Temperature Hysteresis(Note 4)90ppm
Long-Term StabilityΔVOUT/
time1000hr at TA = +25°C50ppm/
1000hr
DYNAMIC CHARACTERISTICSf = 0.1Hz to 10Hz75µVp-pNoise VoltageeOUTf = 10Hz to 10kHz150µVRMS
Ripple RejectionΔVOUT/
ΔVINVIN = +5V ±100mV, f = 120Hz82dB
Turn-On Settling TimetRTo VOUT within 0.1% of final value,
COUT = 50pF85µs
Capacitive-Load Stability RangeCOUT(Note 3)02.2nF
INPUTSupply-Voltage RangeVINGuaranteed by line-regulation testVOUT
+ 0.212.6V
Supply CurrentIIN2735µA
Change in Supply CurrentΔIIN/ΔVIN(VOUT + 0.2V) ≤ VIN ≤ 12.6V0.82.0µA/V
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ELECTRICAL CHARACTERISTICS–MAX6023EBT41 (VOUT= 4.096V)(VIN= +5V, IOUT= 0, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUTOutput VoltageVOUTTA = +25°C4.0884.0964.104V
Initial Voltage AccuracyTA = +25°C-0.20+0.20%
Output Voltage Temperature
Coefficient(Note 3)1030ppm/°C
Line RegulationΔVOUT/
ΔVIN(VOUT + 0.2V) ≤ VIN ≤ 12.6V50160µV/V
0 ≤ IOUT ≤ 500µA1.01.8Load RegulationΔVOUT/
ΔIOUT-500µA ≤ IOUT ≤ 00.30.9
µV/µA
Dropout Voltage(VIN -
VOUT)IOUT = 500µA (Note 5)100200mV
Short to GND4Short-Circuit CurrentISCShort to IN10mA
Temperature Hysteresis(Note 4)90ppm
Long-Term StabilityΔVOUT/
time1000hr at TA = +25°C50ppm/
1000hr
DYNAMIC CHARACTERISTICSf = 0.1Hz to 10Hz100µVp-pNoise VoltageeOUTf = 10Hz to 10kHz200µVRMS
Ripple RejectionΔVOUT/
ΔVINVIN = +5V ±100mV, f = 120Hz77dB
Turn-On Settling TimetRTo VOUT within 0.1% of final value,
COUT = 50pF160µs
Capacitive-Load Stability RangeCOUT(Note 3)02.2nF
INPUTSupply-Voltage RangeVINGuaranteed by line-regulation testVOUT
+ 0.212.6V
Supply CurrentIIN2735µA
Change in Supply CurrentΔIIN/ΔVIN(VOUT + 0.2V) ≤ VIN ≤ 12.6V0.82.0µA/V
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ELECTRICAL CHARACTERISTICS–MAX6023EBT45 (VOUT= 4.500V)(VIN= +5V, IOUT= 0, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
OUTPUTOutput VoltageVOUTTA = +25°C4.4914.5004.509V
Initial Voltage AccuracyTA = +25°C-0.20+0.20%
Output Voltage Temperature
Coefficient(Note 3)1030ppm/°C
Line RegulationΔVOUT/
ΔVIN(VOUT + 0.2V) ≤ VIN ≤ 12.6V50160µV/V
0 ≤ IOUT ≤ 500µA1.02.0Load RegulationΔVOUT/
ΔIOUT-500µA ≤ IOUT ≤ 00.31.0µV/µA
Dropout Voltage(VIN -
VOUT)IOUT = 500µA (Note 5)100200mV
Short to GND4Short-Circuit CurrentISCShort to IN10mA
Temperature Hysteresis(Note 4)90ppm
Long-Term StabilityΔVOUT/
time1000hr at TA = +25°C50ppm/
1000hr
DYNAMIC CHARACTERISTICSf = 0.1Hz to 10Hz110µVp-pNoise VoltageeOUTf = 10Hz to 10kHz215µVRMS
Ripple RejectionΔVOUT/
ΔVINVIN = +5V ±100mV, f = 120Hz82dB
Turn-On Settling TimetRTo VOUT within 0.1% of final value,
COUT = 50pF85µs
Capacitive-Load Stability RangeCOUT(Note 3)02.2nF
INPUTSupply-Voltage RangeVINGuaranteed by line-regulation testVOUT
+ 0.212.6V
Quiescent Supply CurrentIIN2735µA
Change in Supply CurrentΔIIN/ΔVIN(VOUT + 0.2V) ≤ VIN ≤ 12.6V0.82.0µA/V
