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MAX6037CAUK30+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
General Description
The MAX6037 family of low-dropout, micropower volt-
age references offer fixed and adjustable output volt-
age options ranging from 1.184V to 5V. Connect an
external resistive-divider on the MAX6037_ADJ to
adjust the output voltage from 1.184V to 5V. The other
devices in the MAX6037 family feature fixed output volt-
ages of 1.25V, 2.048V, 2.5V, 3.0V, 3.3V, and 4.096V.
The MAX6037 offers shutdown functionality with an
active-low shutdown (500nA, max).
These series-mode voltage references operate from a
2.5V to 5.5V supply and consume 275µA (max) quies-
cent current. The output is stable driving loads from
0.02µF to 1µF and can source and sink 5mA of load
current. The MAX6037 offers a low temperature coeffi-
cient of 25ppm/°C and initial accuracy of ±0.2% (max).
The low dropout voltage (100mV, max at 1mA) and
supply-independent, low supply current make the
MAX6037 ideal for battery-powered applications.
The MAX6037 is available in the miniature 5-pin SOT23
package and is specified over the -40°C to +125°C
automotive temperature range.
Applications
Medical Equipment Portable Equipment
Wireless LAN Precision Regulators
Features
♦ Adjustable V
OUT
: 1.184V to 5V
♦ Fixed Outputs: 1.25V, 2.048V, 2.5V, 3.0V, 3.3V,
and 4.096V
♦ Shutdown Current < 500nA (max)
♦ 25ppm/°C (max) Temperature Coefficient (A Grade)
♦ ±0.2% (max) Initial Accuracy (A Grade)
♦ Low 100mV (max) Dropout Voltage at 1mA Load
Current
♦ 2.5V to 5.5V Input Voltage Range
♦ 5mA Sink and Source Current Capability
♦ Available in 5-Pin SOT23 Package
♦ Operates Over the Automotive Temperature
Range: -40°C to +125°C
MAX6037
Low-Power, Fixed and Adjustable Reference
with Shutdown in SOT23
________________________________________________________________ Maxim Integrated Products 1
Ordering Information/Selector Guide
19-3192; Rev 1; 12/07
For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information/Selector Guide continued at end of data sheet.
Typical Operating Circuit
OUT
*OPTIONAL
*
IN
2.5V TO 5.5V INPUT
GND
SHDN
REFERENCE
OUTPUT
0.02µF
TO 1µF
MAX6037
Pin Configuration appears at end of data sheet.
PART
OUTPUT
VOLTAGE (V)
INITIAL
ACCURACY %
MAX TEMPCO
(ppm/°C)
PIN-PACKAGE
PKG
CODE
TOP
MARK
MAX6037AAUK12+T 1.25 0.2 25 5 SOT23-5 U5-2 AEIV
MAX6037BAUK12+T 1.25 0.3 50 5 SOT23-5 U5-2 AEIW
MAX6037CAUK12+T 1.25 0.5 50 5 SOT23-5 U5-2 AEIX
MAX6037AAUK21+T 2.048 0.2 25 5 SOT23-5 U5-2 AEIY
MAX6037BAUK21+T 2.048 0.3 50 5 SOT23-5 U5-2 AEIZ
MAX6037CAUK21+T 2.048 0.5 50 5 SOT23-5 U5-2 AEJA
+Denotes a lead-free package.
T = Tape and reel.
Note: All devices are specified over the -40°C to +125°C operating temperature range.
MAX6037
Low-Power, Fixed and Adjustable Reference
with Shutdown in SOT23
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX6037_12 (V
OUT
= 1.25V)
(V
IN
= V
SHDN
= +3V, I
OUT
= 0, C
OUT
= 0.1µF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
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.
IN, OUT, SHDN, ADJ to GND...................................-0.3V to +6V
Output Short Circuit to GND or IN............................. Continuous
Continuous Power Dissipation (T
A
= +70°C)
5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER SYMBOL CONDITIONS
MIN TYP MAX UNITS
OUTPUT
MAX6037A_12 (0.2%)
1.2475 1.250 1.2525
MAX6037B_12 (0.3%)
1.2462 1.250 1.2538
Output Voltage V
OUT
T
A
= +25°C
MAX6037C_12 (0.5%)
1.2438 1.250 1.2563
V
MAX6037A_12 6 25
Output-Voltage Temperature
Coefficient (Note 2, 4)
TCV
OUT
MAX6037B/C_12 6 50
ppm/°C
Line Regulation
∆V
OUT
/∆V
IN
2.5V ≤ V
IN
≤ 5.5V
0.0006 0.0096
%/V
Sourcing: 0 ≤ I
OUT
≤ 1mA
0.008 0.072
Sourcing: 1mA ≤ I
OUT
≤ 5mA
0.006 0.072
Sinking: -1mA ≤ I
OUT
≤ 0
0.025 0.12
Load Regulation
∆V
OUT
/∆I
OUT
Sinking: -5mA ≤ I
OUT
≤ -1mA
0.014 0.12
%/mA
Short to GND 16
OUT Short-Circuit Current I
SC
Short to IN 32
mA
Thermal Hysteresis (Note 3)
∆V
OUT
/cycle 485 ppm
Long-Term Stability
∆V
OUT
/time
1000h at T
A
= +25°C
133 ppm
DYNAMIC
f = 0.1Hz to 10Hz 6
µV
P-P
Noise Voltage e
OUT
f = 10Hz to 1kHz 15
µV
RMS
Initial power-up
360
Turn-On Settling Time t
R
To V
OUT
= 0.1%
of final value,
C
OUT
= 0.02µF
V
IN
= 3V, SHDN pulled
from low to high
75
µs
Output Impedance when
Disabled
Z
OUT
V
IN
= 3V, V
SHDN
= 0V
125
kΩ
Capacitive-Load Stability
Range (Note 4)
C
OUT
0.02
1µF
INPUT
Supply Voltage Range V
IN
Guaranteed by line regulation test 2.5 5.5 V
Quiescent Supply Current I
IN
190
275 µA
Shutdown Supply Current I
SHDN
V
SHDN
= 0V
0.05
500 nA
MAX6037
Low-Power, Fixed and Adjustable Reference
with Shutdown in SOT23
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—MAX6037_12 (V
OUT
= 1.25V) (continued)
(V
IN
= V
SHDN
= +3V, I
OUT
= 0, C
OUT
= 0.1µF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS
MIN
TYP
MAX
UNITS
SHUTDOWN (SHDN)
Logic-High Input Voltage V
ENH
2.5V ≤ V
IN
≤ 5.5V 2.0 V
Logic-Low Input Voltage V
ENL
2.5V ≤ V
IN
≤ 5.5V 0.7 V
Logic-High Input Current I
ENH
2.5V ≤ V
IN
≤ 5.5V, V
SHDN
= V
IN
-1000 0.15 +1000
nA
Logic-Low Input Current I
ENL
2.5V ≤ V
IN
≤ 5.5V, V
SHDN
= 0V
-1000 0.05 +1000
nA
ELECTRICAL CHARACTERISTICS—MAX6037_21 (V
OUT
= 2.048V)
(V
IN
= V
SHDN
= +3V, I
OUT
= 0, C
OUT
= 0.1µF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS
MIN TYP MAX UNITS
OUTPUT
MAX6037A_21 (0.2%)
2.0439 2.0480 2.0521
MAX6037B_21 (0.3%)
2.0418 2.0480 2.0542
Output Voltage V
OUT
T
A
= +25°C
MAX6037C_21 (0.5%)
2.0378 2.0480 2.0582
V
MAX6037A_21 6 25
Output-Voltage Temperature
Coefficient (Note 2, 4)
TCV
OUT
MAX6037B/C_21 6 50
ppm/°C
Line Regulation
∆V
OUT
/∆V
IN
2.5V ≤ V
IN
≤ 5.5V
0.0008 0.0107
%/V
Sourcing: 0 ≤ I
OUT
≤ 1mA
0.006 0.044
Sourcing: 1mA ≤ I
OUT
≤ 5mA
0.004 0.044
Sinking: -1mA ≤ I
OUT
≤ 0
0.02 0.195
Load Regulation
∆V
OUT
/∆I
OUT
Sinking: -5mA ≤ I
OUT
≤ -1mA
0.01 0.195
%/mA
Short to GND 16
OUT Short-Circuit Current I
SC
Short to IN 32
mA
Thermal Hysteresis (Note 3)
∆V
OUT
/cycle 458 ppm
Long-Term Stability
∆V
OUT
/time
1000h at T
A
= +25°C
133 ppm
DYNAMIC
f = 0.1Hz to 10Hz 11
µV
P-P
Noise Voltage e
OUT
f = 10Hz to 1kHz 25
µV
RMS
Initial power-up
2.1
Turn-On Settling Time t
R
To V
OUT
= 0.1%
of final value,
C
OUT
= 0.02µF
V
IN
= 3V, SHDN pulled
from low to high
2
ms
Output Impedance when
Disabled
Z
OUT
V
IN
= 3V, V
SHDN
= 0V
205
kΩ
Capacitive-Load Stability
Range (Note 4)
C
OUT
0.02
1µF
INPUT
Supply Voltage Range V
IN
Guaranteed by line regulation test 2.5 5.5 V
Quiescent Supply Current I
IN
190
275 µA
Shutdown Supply Current I
SHDN
V
SHDN
= 0V
0.05
500 nA
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

MAX6037CAUK30+T

Mfr. #:
Buy MAX6037CAUK30+T
Manufacturer:
Maxim Integrated
Description:
Voltage References Fixed & Adjustable Ref w/Shutdown
Lifecycle:
New from this manufacturer.
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