MAXIM MAX6023EBK50-T

19-2182; Rev 0; 10/01
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
Applications
Hand-Held Equipment
Features
♦ 5-Bump UCSP Package (1.0mm ✕ 1.5mm ✕ 0.3mm)
♦ No Output Capacitor Needed
♦ ±0.2% (max) Initial Accuracy
♦ 30ppm/°C (max) Temperature Coefficient
♦ 35µA (max) Quiescent Supply Current
♦ 0.8µA/V (max) Supply Current Variation with VIN
♦ 100mV Dropout at 500µA Load Current
♦ Line Regulation: 160µV/V (max)
♦ Output Voltage Options: 1.25V, 2.048V, 2.5V, 3.0V,
4.096V, 4.5V, 5.0V
Ordering Information
PART
TEMP. RANGE
BUMPPACKAGE
TOP
MARK
MAX6023EBK12-T
-40°C to +85°C
5 UCSP*-5
AAO
MAX6023EBK21-T
-40°C to +85°C
5 UCSP*-5
AAT
MAX6023EBK25-T
-40°C to +85°C
5 UCSP*-5
AAP
MAX6023EBK30-T
-40°C to +85°C
5 UCSP*-5
AAS
MAX6023EBK41-T
-40°C to +85°C
5 UCSP*-5
AAQ
MAX6023EBK45-T
-40°C to +85°C
5 UCSP*-5
AAR
MAX6023EBK50-T
-40°C to +85°C
5 UCSP*-5
AAU
*UCSP reliability is integrally linked to the user’s assembly methods, circuit board material, and environment. See the UCSP
Reliability Notice in the UCSP Reliability section of this data sheet
for more information.
Typical Operating Circuit
Data Acquisition Systems
Industrial and Process Control Systems
+SUPPLY INPUT (SEE SELECTOR GUIDE)
Battery-Operated Equipment
Hard-Disk Drives
IN
OUT
Selector Guide
PART
VOUT (V)
INPUT VOLTAGE (V)
MAX6023EBK12
1.250
2.5V to 12.6
MAX6023EBK21
2.048
2.5V to 12.6
MAX6023EBK25
2.500
(VOUT + 200mV) to 12.6
MAX6023EBK30
3.000
(VOUT + 200mV) to 12.6
MAX6023EBK41
4.096
(VOUT + 200mV) to 12.6
MAX6023EBK45
4.500
(VOUT + 200mV) to 12.6
MAX6023EBK50
5.000
(VOUT + 200mV) to 12.6
*
REFERENCE
OUT
MAX6023
GND
*CAPACITOR IS OPTIONAL.
Pin Configuration appears at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
________________________________________________________________ Maxim Integrated Products
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.
1
MAX6023
General Description
The MAX6023 is a family of low-dropout, micropower
voltage references in a 5-bump chip-scale (UCSP™)
package. 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 output 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 temperature 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 supply current. And unlike shunt-mode (two-terminal) references, the supply current of the MAX6023 family varies
only 0.8µA/V with supply-voltage changes, translating to
longer battery life. Additionally, these internally compensated devices do not require an external compensation
capacitor and are stable up to 2.2nF of load capacitance. The low-dropout voltage and the low supply current make these devices ideal for battery-operated
systems.
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ABSOLUTE MAXIMUM RATINGS
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
(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
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 recommended 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.
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–MAX6023EBK12 (VOUT = 1.250V)
(VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
1.250
MAX
UNITS
OUTPUT
Output Voltage
TA = +25°C
1.247
Initial Voltage Accuracy
VOUT
TA = +25°C
-0.24
Output Voltage Temperature
Coefficient
(Note 3)
Line Regulation
∆VOUT/
∆VIN
Load Regulation
∆VOUT/
∆IOUT
Short-Circuit Current
ISC
Temperature Hysteresis
Long-Term Stability
∆VOUT/
time
1.253
V
+0.24
%
10
30
ppm/°C
2.5V ≤ VIN ≤ 12.6V
10
80
µV/V
0 ≤ IOUT ≤ 400µA
0.4
1.0
-400µA ≤ IOUT ≤ 0
0.5
1.1
µV/µA
Short to GND
4
Short to IN
10
(Note 4)
90
ppm
1000hr at TA = +25°C
30
ppm/
1000hr
f = 0.1Hz to 10Hz
25
µVp-p
f = 10Hz to 10kHz
65
µVRMS
VIN = +5V ±100mV, f = 120Hz
86
dB
To VOUT within 0.1% of final value,
COUT = 50pF
30
µs
mA
DYNAMIC CHARACTERISTICS
Noise Voltage
Ripple Rejection
Turn-On Settling Time
Capacitive-Load Stability Range
eOUT
∆VOUT/
∆IOUT
tR
COUT
(Note 3)
0
2.2
nF
INPUT
Supply-Voltage Range
VIN
Supply Current
IIN
Change in Supply Current
2
∆IIN/∆VIN
Guaranteed by line-regulation test
2.5V ≤ VIN ≤ 12.6V
2.5
12.6
V
27
35
µA
0.8
2.0
µA/V
_______________________________________________________________________________________
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
(VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
2.048
MAX
UNITS
OUTPUT
Output Voltage
TA = +25°C
2.044
Initial Voltage Accuracy
VOUT
TA = +25°C
-0.20
Output Voltage Temperature
Coefficient
(Note 3)
Line Regulation
∆VOUT/
∆VIN
Load Regulation
∆VOUT/
∆IOUT
Short-Circuit Current
ISC
Temperature Hysteresis
∆VOUT/
time
Long-Term Stability
2.052
V
+0.20
%
10
30
ppm/°C
2.5V ≤ VIN ≤ 12.6V
20
100
µV/V
0 ≤ IOUT ≤ 500µA
0.5
1.4
-500µA ≤ IOUT ≤ 0
0.3
0.70
µV/µA
Short to GND
4
Short to IN
10
(Note 4)
90
ppm
1000hr at TA = +25°C
50
ppm/
1000hr
f = 0.1Hz to 10Hz
40
µVp-p
f = 10Hz to 10kHz
105
µVRMS
VIN = +5V ±100mV, f = 120Hz
82
dB
To VOUT within 0.1% of final value,
COUT = 50pF
85
µs
mA
DYNAMIC CHARACTERISTICS
Noise Voltage
eOUT
∆VOUT/
∆IOUT
Ripple Rejection
Turn-On Settling Time
Capacitive-Load Stability Range
tR
COUT
(Note 3)
0
2.2
nF
INPUT
Supply-Voltage Range
VIN
Supply Current
IIN
Change in Supply Current
∆IIN/∆VIN
Guaranteed by line-regulation test
2.5V ≤ VIN ≤ 12.6V
2.5
12.6
V
27
35
µA
0.8
2.0
µA/V
_______________________________________________________________________________________
3
MAX6023
ELECTRICAL CHARACTERISTICS–MAX6023EBK21 (VOUT = 2.048V)
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ELECTRICAL CHARACTERISTICS-MAX6023EBK25 (VOUT = 2.500V)
(VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
2.5
MAX
UNITS
OUTPUT
Output Voltage
TA = +25°C
2.495
Initial Voltage Accuracy
VOUT
TA = +25°C
-0.20
Output Voltage Temperature
Coefficient
(Note 3)
Line Regulation
∆VOUT/
∆VIN
Load Regulation
∆VOUT/
∆IOUT
Short-Circuit Current
Dropout Voltage
Temperature Hysteresis
Long-Term Stability
2.505
V
+0.20
%
10
30
ppm/°C
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
25
140
µV/V
0 ≤ IOUT ≤ 500µA
0.5
1.4
-500µA ≤ IOUT ≤ 0
0.3
0.8
Short to GND
4
Short to IN
10
(VIN - VOUT) IOUT = 500µA (Note 5)
(Note 4)
100
ISC
∆VOUT/
time
1000hr at TA = +25°C
µV/µA
mA
200
mV
90
ppm
50
ppm/
1000hr
DYNAMIC CHARACTERISTICS
Noise Voltage
Ripple Rejection
Turn-On Settling Time
Capacitive-Load Stability Range
eOUT
∆VOUT/
∆IOUT
tR
COUT
f = 0.1Hz to 10Hz
60
µVp-p
f = 10Hz to 10kHz
125
µVRMS
VIN = +5V ±100mV, f = 120Hz
82
dB
To VOUT within 0.1% of final value,
COUT = 50pF
85
µs
(Note 3)
0
2.2
nF
VOUT
+ 0.2
12.6
V
INPUT
Supply-Voltage Range
Supply Current
Change in Supply Current
4
VIN
Guaranteed by line-regulation test
IIN
∆IIN/∆VIN
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
27
35
µA
0.8
2.0
µA/V
_______________________________________________________________________________________
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
(VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
MIN
TYP
MAX
UNITS
TA = +25°C
2.994
3.000
3.006
V
Initial Voltage Accuracy
TA = +25°C
-0.20
+0.20
%
Output Voltage Temperature
Coefficient
(Note 3)
10
30
ppm/°C
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
40
140
µV/V
0 ≤ IOUT ≤ 500µA
0.7
1.5
-500µA ≤ IOUT ≤ 0
0.4
0.8
IOUT = 500µA (Note 5)
100
200
Output Voltage
SYMBOL
VOUT
Line Regulation
∆VOUT/
∆VIN
Load Regulation
∆VOUT/
∆IOUT
Dropout Voltage
(VIN VOUT)
Short-Circuit Current
ISC
Temperature Hysteresis
∆VOUT/
time
Long-Term Stability
CONDITIONS
µV/µA
mV
Short to GND
4
Short to IN
10
(Note 4)
90
ppm
1000hr at TA = +25°C
50
ppm/
1000hr
mA
DYNAMIC CHARACTERISTICS
Noise Voltage
eOUT
∆VOUT/
∆VIN
Ripple Rejection
Turn-On Settling Time
Capacitive-Load Stability Range
tR
COUT
f = 0.1Hz to 10Hz
75
µVp-p
f = 10Hz to 10kHz
150
µVRMS
VIN = +5V ±100mV, f = 120Hz
82
dB
To VOUT within 0.1% of final value,
COUT = 50pF
85
µs
(Note 3)
0
2.2
nF
VOUT
+ 0.2
12.6
V
INPUT
Supply-Voltage Range
Supply Current
VIN
Guaranteed by line-regulation test
IIN
Change in Supply Current
∆IIN/∆VIN
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
27
35
µA
0.8
2.0
µA/V
_______________________________________________________________________________________
5
MAX6023
ELECTRICAL CHARACTERISTICS–MAX6023EBK30 (VOUT = 3.000V)
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ELECTRICAL CHARACTERISTICS–MAX6023EBK41 (VOUT = 4.096V)
(VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
4.096
MAX
UNITS
OUTPUT
Output Voltage
TA = +25°C
4.088
Initial Voltage Accuracy
VOUT
TA = +25°C
-0.20
Output Voltage Temperature
Coefficient
(Note 3)
Line Regulation
∆VOUT/
∆VIN
Load Regulation
∆VOUT/
∆IOUT
Dropout Voltage
(VIN VOUT)
Short-Circuit Current
ISC
Temperature Hysteresis
Long-Term Stability
∆VOUT/
time
4.104
V
+0.20
%
10
30
ppm/°C
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
50
160
µV/V
0 ≤ IOUT ≤ 500µA
1.0
1.8
-500µA ≤ IOUT ≤ 0
0.3
0.9
IOUT = 500µA (Note 5)
100
200
µV/µA
mV
Short to GND
4
Short to IN
10
(Note 4)
90
ppm
1000hr at TA = +25°C
50
ppm/
1000hr
f = 0.1Hz to 10Hz
100
µVp-p
f = 10Hz to 10kHz
200
µVRMS
VIN = +5V ±100mV, f = 120Hz
77
dB
To VOUT within 0.1% of final value,
COUT = 50pF
160
µs
mA
DYNAMIC CHARACTERISTICS
Noise Voltage
Ripple Rejection
Turn-On Settling Time
Capacitive-Load Stability Range
eOUT
∆VOUT/
∆VIN
tR
COUT
(Note 3)
0
2.2
nF
VOUT
+ 0.2
12.6
V
27
35
µA
0.8
2.0
µA/V
INPUT
Supply-Voltage Range
VIN
Supply Current
IIN
Change in Supply Current
6
∆IIN/∆VIN
Guaranteed by line-regulation test
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
_______________________________________________________________________________________
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
(VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
4.500
MAX
UNITS
OUTPUT
Output Voltage
TA = +25°C
4.491
Initial Voltage Accuracy
VOUT
TA = +25°C
-0.20
Output Voltage Temperature
Coefficient
(Note 3)
Line Regulation
∆VOUT/
∆VIN
Load Regulation
∆VOUT/
∆IOUT
Dropout Voltage
(VIN VOUT)
Short-Circuit Current
ISC
Temperature Hysteresis
∆VOUT/
time
Long-Term Stability
4.509
V
+0.20
%
10
30
ppm/°C
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
50
160
µV/V
0 ≤ IOUT ≤ 500µA
1.0
2.0
-500µA ≤ IOUT ≤ 0
0.3
1.0
IOUT = 500µA (Note 5)
100
200
µV/µA
mV
Short to GND
4
Short to IN
10
(Note 4)
90
ppm
1000hr at TA = +25°C
50
ppm/
1000hr
f = 0.1Hz to 10Hz
110
µVp-p
f = 10Hz to 10kHz
215
µVRMS
VIN = +5V ±100mV, f = 120Hz
82
dB
To VOUT within 0.1% of final value,
COUT = 50pF
85
µs
mA
DYNAMIC CHARACTERISTICS
Noise Voltage
eOUT
∆VOUT/
∆VIN
Ripple Rejection
Turn-On Settling Time
Capacitive-Load Stability Range
tR
COUT
(Note 3)
0
2.2
nF
VOUT
+ 0.2
12.6
V
27
35
µA
0.8
2.0
µA/V
INPUT
Supply-Voltage Range
VIN
Quiescent Supply Current
IIN
Change in Supply Current
∆IIN/∆VIN
Guaranteed by line-regulation test
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
_______________________________________________________________________________________
7
MAX6023
ELECTRICAL CHARACTERISTICS–MAX6023EBK45 (VOUT = 4.500V)
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
ELECTRICAL CHARACTERISTICS–MAX6023EBK50 (VOUT = 5.000V)
(VIN = +5.5V, IOUT = 0, TA = TMIN to TMAX , unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
Output Voltage
SYMBOL
VOUT
CONDITIONS
MIN
TYP
5.0
TA = +25°C
4.990
Initial Voltage Accuracy
TA = +25°C
-0.20
Output Voltage Temperature
Coefficient
(Note 3)
Line Regulation
∆VOUT/
∆VIN
Load Regulation
∆VOUT/
∆IOUT
Dropout Voltage
(VIN VOUT)
Short-Circuit Current
ISC
Temperature Hysteresis
Long-Term Stability
∆VOUT/
time
MAX
UNITS
5.010
V
+0.20
%
10
30
ppm/°C
(VOUT + 0.2V) ≤ VIN ≤ 12.6V
50
160
µV/V
0 ≤ IOUT ≤ 500µA
1.2
2.2
-500µA ≤ IOUT ≤ 0
0.3
1.1
IOUT = 500µA (Note 5)
100
200
µV/µA
mV
Short to GND
4
Short to IN
10
(Note 4)
90
ppm
1000hr at TA = +25°C
50
ppm/
1000hr
f = 0.1Hz to 10Hz
120
µVp-p
f = 10Hz to 10kHz
240
µVRMS
VIN = +5V ±100mV, f = 120Hz
72
dB
To VOUT within 0.1% of final value,
COUT = 50pF
220
µs
mA
DYNAMIC CHARACTERISTICS
Noise Voltage
Ripple Rejection
Turn-On Settling Time
Capacitive-Load Stability Range
eOUT
∆VOUT/
∆VIN
tR
COUT
(Note 3)
0
2.2
nF
VOUT
+ 0.2
12.6
V
27
35
µA
0.9
2.0
µA/V
INPUT
Supply-Voltage Range
VIN
Quiescent Supply Current
IIN
Change in Supply Current
∆IIN/∆VIN
Guaranteed by line-regulation test
2.5V ≤ VIN ≤ 12.6V
Note 2: Devices are 100% production tested at TA = +25°C and are guaranteed by design from TA = TMIN to TMAX.
Note 3: Guaranteed by design.
Note 4: Temperature hysteresis is defined as the change in TA = +25°C output voltage before and after temperature cycling of the
device from TA = TMIN to TMAX.
Note 5: Dropout voltage is the minimum input voltage at which VOUT changes ≤ 0.2% from VOUT at VIN = +5.0V (VIN = +5.5V for
MAX6023EBK50).
8
_______________________________________________________________________________________
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
MAX6023EBK50
OUTPUT VOLTAGE
TEMPERATURE DRIFT
5.002
5.000
4.998
1.2490
1.2485
4.994
4.990
THREE
TYPICAL PARTS
1.2475
0
20
40
60
80
THREE
TYPICAL PARTS
4.986
-40
100
4.999
4.998
4.997
4.996
4.994
4.993
-20
0
20
40
60
80
0 100 200 300 400 500 600 700 800 900 1000
100
TEMPERATURE DRIFT (°C)
TEMPERATURE DRIFT (°C)
TIME (hr)
MAX6023EBK12
LINE REGULATION
MAX6023EBK50
LINE REGULATION
MAX6023EBK25/30
DROPOUT VOLTAGE
vs. SOURCE CURRENT
TA = +85°C
200
TA = -40°C
100
0
TA = +25°C
TA = +85°C
600
TA = -40°C
400
200
0.8
TA = +25°C
MAX6023 toc06
300
800
0.7
DROPOUT VOLTAGE (V)
MAX6023 toc04
400
MAX6023 toc05
-20
5.000
4.995
4.988
OUTPUT VOLTAGE CHANGE (µV)
1.2470
-40
OUTPUT VOLTAGE CHANGE (µV)
4.996
4.992
1.2480
5.001
0.6
0.5
TA = -40°C
0.4
0.3
TA = +85°C
0.2
0
0.1
-100
-200
6
8
10
12
5
7
9
11
13
0
200
400
600
800
INPUT VOLTAGE (V)
SOURCE CURRENT (µA)
MAX6023EBK12
LOAD REGULATION
MAX6023EBK50
LOAD REGULATION
MAX6023EBK41/45/50
DROPOUT VOLTAGE
vs. SOURCE CURRENT
0.2
TA = -40°C
0
TA = +85°C
TA = +25°C
-0.2
0.4
0.2
TA = -40°C
0
-0.2
0.30
TA = +25°C
TA = -40°C
0.25
DROPOUT VOLTAGE (V)
MAX6023 toc07
0.4
OUTPUT VOLTAGE CHANGE (mV)
14
INPUT VOLTAGE (V)
MAX6023 toc08
4
OUTPUT VOLTAGE CHANGE (mV)
2
TA = +25°C
0
0.20
1000
MAX6023 toc09
1.2495
VOUT (V)
VOUT (V)
1.2500
THREE
TYPICAL PARTS
5.002
OUTPUT VOLTAGE (V)
1.2505
5.003
MAX6023 toc02
5.004
MAX6023 toc01
1.2510
MAX6023EBK50
LONG-TERM DRIFT
MAX6023 toc03
MAX6023EBK12
OUTPUT VOLTAGE
TEMPERATURE DRIFT
TA = +85°C
0.15
0.10
TA = +25°C
0.05
TA = +85°C
-0.4
-500 -375 -250 -125
0
125 250 375 500
LOAD CURRENT (µA)
-0.4
-500 -375 -250 -125
0
0
125 250 375 500
LOAD CURRENT (µA)
0
200
400
600
800
1000
SOURCE CURRENT (µA)
_______________________________________________________________________________________
9
MAX6023
Typical Operating Characteristics
(VIN = +5V for MAX6023EBK12/21/25/30/41/45, VIN = +5.5V for MAX6023EBK50; IOUT = 0; TA = +25°C, unless otherwise noted.) (Note 6)
Typical Operating Characteristics (continued)
(VIN = +5V for MAX6023EBK12/21/25/30/41/45, VIN = +5.5V for MAX6023EBK50; IOUT = 0; TA = +25°C, unless otherwise noted.) (Note 6)
MAX6023EBK50
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
PSRR (mV/V)
1
1
0.1
0.1
0.01
0.01
40
VALID OVER SPECIFIED
VIN (MIN) TO VIN (MAX)
FOR EACH PART
38
36
SUPPLY CURRENT (µA)
10
10
PSRR (mV/V)
VIN = +5.5V ±0.25V
MAX6023 toc12
100
MAX6023 toc10
100
SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX6023 toc11
MAX6023EBK12
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
34
32
30
28
26
24
22
1k
10k
100k
1M
20
10
10M
100
1k
10k
100k
1M
10M
2
4
6
8
10
FREQUENCY (Hz)
FREQUENCY (Hz)
INPUT VOLTAGE (V)
MAX6023EBK12
OUTPUT IMPEDANCE
vs. FREQUENCY
MAX6023EBK50
OUTPUT IMPEDANCE
vs. FREQUENCY
SUPPLY CURRENT
vs. TEMPERATURE
10
1
40
100
SUPPLY CURRENT (µA)
OUTPUT IMPEDANCE (Ω)
100
10
12
14
MAX6023 toc15
1k
MAX6023 toc13
1k
MAX6023 toc14
100
OUTPUT IMPEDANCE (Ω)
35
VIN = 12.5V
VIN = 7.5V
30
VIN = 5.5V
25
1
VIN = 2.5V
20
0.1
0.01 0.1
1
10
100
1k
10k 100k 1M
0.01 0.1
FREQUENCY (Hz)
1
10
100
-40
10k 100k 1M
-20
0
20
40
MAX6023 toc17
VIN
1V/div
VOUT
1V/div
10
1s/div
80
100
MAX6023EBK12
TURN-ON TRANSIENT
MAX6023EBK50
0.1Hz TO 10Hz OUTPUT NOISE
VOUT
20µV/div
1s/div
60
TEMPERATURE (°C)
FREQUENCY (Hz)
MAX6023EBK12
0.1Hz TO 10Hz OUTPUT NOISE
VOUT
10µV/div
1k
MAX6023 toc18
0.1
MAX6023 toc16
MAX6023
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
10µs/div
______________________________________________________________________________________
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
MAX6023EBK12
LOAD-TRANSIENT RESPONSE
IOUT = ±25µA
IOUT
50µA/div
VOUT
50mV/div
VOUT
2V/div
10µs/div
10µs/div
20µs/div
MAX6023EBK50
LOAD-TRANSIENT RESPONSE
IOUT = ±500µA
MAX6023 toc22
MAX6023EBK12
LOAD-TRANSIENT RESPONSE
IOUT
1mA/div
VIN
2V/div
IOUT
500µA/div
IOUT = ±500µA
MAX6023 toc23
VOUT
20mV/div
MAX6023 toc21
MAX6023 toc20
MAX6023 toc19
IOUT = ±25µA
IOUT
40µA/div
MAX6023EBK50
TURN-ON TRANSIENT
MAX6023EBK50
LOAD-TRANSIENT RESPONSE
VOUT
200mV/div
VOUT
200V/div
20µs/div
10µs/div
MAX6023EBK12
LINE-TRANSIENT RESPONSE
VIN = 5.5V ±0.25V
VIN
200mV/div
MAX6023 toc25
MAX6023 toc24
VIN = 5V ±0.25V
VIN
200mV/div
MAX6023EBK50
LINE-TRANSIENT RESPONSE
VOUT
100mV/div
VOUT
100mV/div
2.5µs/div
2µs/div
Note 6: Many of the Typical Operating Characteristics of the MAX6023 family are extremely similar. The extremes of these characteristics
are found in MAX6023EBK12 (1.25V output) and the MAX6023EBK50 (5.0V output). The Typical Operating Characteristics of the
remainder of the MAX6023 family typically lie between these two extremes and can be estimated based on their output voltage.
______________________________________________________________________________________
11
MAX6023
Typical Operating Characteristics (continued)
(VIN = +5V for MAX6023EBK12/21/25/30/41/45, VIN = +5.5V for MAX6023EBK50; IOUT = 0; TA = +25°C, unless otherwise noted.) (Note 6)
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
MAX6023
Pin Description
BUMP
NAME
FUNCTION
Internally connected. Do not
connect to this pin.
A1, A3
I.C.
A2
GND
Ground
B1
OUT
Input Voltage
B3
IN
Reference Output
Detailed Description
The MAX6023 precision bandgap references use a
proprietary curvature correction circuit and lasertrimmed thin-film resistor, resulting in a low temperature
coefficient of <30ppm/°C and initial accuracy of better
than 0.2%. These devices can sink and source up to
500µA with <200mV of dropout voltage, making them
attractive for use in low-voltage applications.
Applications Information
Output/Load Capacitance
The MAX6023 devices do not require an output capacitor for dynamically stable, oscillation-free operation.
They are stable for capacitive loads from 0 to 2.2nF.
However, in applications where the load or the supply
can experience step changes, an output capacitor
reduces the amount of overshoot (or undershoot) and
improves the circuit’s transient response. Many applications do not need an external capacitor and this family offers a significant advantage in these applications
when board space is critical.
Supply Current
The no-load supply current of these series-mode references is 35µA maximum, and is virtually independent
of the supply voltage, with only a 0.8µA/V variation from
the supply voltage. Unlike shunt-mode references that
must draw the maximum load current at all times, the
load current is drawn from the input voltage source only
when required, so supply current is not wasted and efficiency is maximized at all input voltages. This improved
efficiency can help reduce power dissipation and
extend battery life.
Output Voltage Hysteresis
Output voltage hysteresis is the change in the output
voltage at TA = +25°C before and after the device is
cycled over its entire operating temperature range.
Hysteresis is caused by differential package stress
appearing across the bandgap core transistors. The
typical temperature hysteresis value is 90ppm.
Turn-On Time
These devices typically turn on and settle within 0.1%
of their final value; 30µs to 220µs depending on the
device. The turn-on time can increase up to 1.5ms with
the device operating at the minimum dropout voltage
and the maximum load.
UCSP Information
UCSP Package Consideration
For general UCSP package information and PC layout
considerations, refer to the Maxim Application Note
(Wafer-Level Ultra-Chip-Board-Scale Package).
UCSP Reliability
The UCSP represents a unique package that greatly
reduces board space compared to other packages.
The chip-scale package represents a unique packaging form factor that may not perform as well as a packaged product through traditional mechanical reliability
tests. UCSP reliability is integrally linked to the user’s
assembly methods, circuit board material, and usage
environment. The user should closely review these
areas when considering use of a chip-scale package.
Performance through operating-life test and moisture
resistance remains uncompromised. The wafer-fabrication process primarily determines the performance.
Mechanical stress performance is a greater consideration for chip-scale packages. Chip-scale packages are
attached through direct solder contact to the user’s PC
board, foregoing the inherent stress relief of a packaged product lead frame. Solder joint contact integrity
must be considered. Comprehensive reliability tests
have been performed and are available upon request.
In conclusion, the UCSP performs reliably through environmental stresses.
When the supply voltage is below the minimum specified input voltage (as during turn-on), the devices can
draw up to 200µA beyond the nominal supply current.
The input voltage source must be capable of providing
this current to ensure reliable turn-on.
12
______________________________________________________________________________________
Precision, Low-Power, Low-Dropout, UCSP
Voltage Reference
TRANSISTOR COUNT: 70
TOP VIEW
(BUMPS ON BOTTOM)
OUT
B1
A1
I.C.
A2
GND
A3
I.C.
MAX6023
IN
B3
UCSP
6L, UCSP.EPS.EPS
Package Information
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13
© 2001 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
MAX6023
Chip Information
Pin Configuration