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PDF MAX16053 Data sheet ( Hoja de datos )
| Número de pieza | MAX16053 | |
| Descripción | High-Voltage Adjustable Sequencing/Supervisory Circuits | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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19-4144; Rev 1; 10/08
www.DataSheet4U.com
High-Voltage, Adjustable
Sequencing/Supervisory Circuits
General Description
The MAX16052/MAX16053 are a family of small, low-
power, high-voltage monitoring circuits with sequenc-
ing capability. These miniature devices offer very wide
flexibility with an adjustable voltage threshold and an
external capacitor-adjustable time delay. These
devices are ideal for use in power-supply sequencing,
reset sequencing, and power switching applications.
Multiple devices can be cascaded for complex
sequencing applications.
A high-impedance input (IN) with a 0.5V threshold
allows an external resistive divider to set the monitored
threshold. The output (OUT) asserts high when the
input voltage rises above the 0.5V threshold and the
enable input (EN) is asserted high. When the voltage at
IN falls below 0.495V or when the enable input is
deasserted (EN = low), the output deasserts (OUT =
low). The MAX16052/MAX16053 provide a capacitor
programmable delay time from when the voltage at IN
rises above 0.5V to when the output is asserted.
The MAX16052 offers an active-high open-drain output
while the MAX16053 offers an active-high push-pull out-
put. Both devices operate from a 2.25V to 16V supply
voltage and feature an active-high enable input. The
MAX16052/MAX16053 are available in a tiny 6-pin
SOT23 package and are fully specified over the auto-
motive temperature range (-40°C to +125°C).
Applications
Automotive
Computers/Servers
Medical Equipment
Critical µP Monitoring
Intelligent Instruments
Set-Top Boxes
Portable Equipment
Telecom
Features
o 1.8% Accurate Adjustable Threshold Over
Temperature
o Open-Drain (28V Tolerant) Output Allows
Interfacing to 12V Intermediate Bus Voltage
o Operates from VCC of 2.25V to 16V
o Low Supply Current (18µA typ)
o Capacitor-Adjustable Delay
o Active-High Logic-Enable Input
o Fully Specified from -40°C to +125°C
o Small 6-Pin SOT23 Package
Ordering Information
PART
OUTPUT
PIN-
PACKAGE
TOP
MARK
MAX16052AUT+T Open-Drain 6 SOT23
+ACLW
MAX16053AUT+T Push-Pull 6 SOT23
+ACLX
Note: All devices operate over the -40°C to +125°C operating
automotive temperature range.
+Denotes a lead-free/RoHS-compliant package.
T = Tape and reel, offered in 2.5k increments.
Pin Configuration
TOP VIEW
1 EN
CDELAY 6
MAX16052
2 GND MAX16053 VCC 5
3 IN
OUT 4
SOT23
Typical Operating Circuit
DC-DC
CONVERTER
12V
EN VCC
IN MAX16052 OUT
CDELAY
GND
IN
EN OUT 0.9V
DC-DC
CONVERTER
EN VCC
IN MAX16052 OUT
CDELAY
GND
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
www.Dat
High-Voltage, Adjustable
Sequencing/Supervisory Circuits
(VCC = 3.3V and TA = +25°C, unless otherwise noted.)
30
27
24
21
18
15
12
9
6
3
0
0
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX16052
2 4 6 8 10 12 14 16
VCC (V)
Typical Operating Characteristics
SUPPLY CURRENT
vs. TEMPERATURE
30
27 MAX16052
24
21
18
15 VCC = 12V
12
9 VCC = 3.3V VCC = 5V
6 VCC = 2.25V
3
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
IN THRESHOLD VOLTAGE
vs. TEMPERATURE
502.0
501.5
501.0
500.5
500.0
499.5
499.0
498.5
498.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
OUT DELAY vs. CCDELAY
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
0 100 200 300 400 500 600 700 800 900 1000
CCDELAY (nF)
OUTPUT LOW VOLTAGE
vs. SINK CURRENT
8
VCC = 12V
7
6 VCC = 5V
5 VCC = 3.3V
4
VCC = 2.25V
3
2
1
0
0 2 4 6 8 10 12 14 16 18 20
ISINK (mA)
OUTPUT HIGH VOLTAGE
vs. SOURCE CURRENT
12
10
8
6
4
2
0
0 2 4 6 8 10 12 14
ISOURCE (mA)
_______________________________________________________________________________________ 5
5 Page 
www.DataSheet4U.com
High-Voltage, Adjustable
Sequencing/Supervisory Circuits
3.3V 2.5V 1.8V 1.2V
5V BUS
SYSTEM
ENABLE
DC-DC
EN
DC-DC
EN
EN VCC
IN
MAX16053
OUT
GND
CCDELAY
EN VCC
IN
MAX16053
OUT
GND
CCDELAY
DC-DC
EN
EN VCC
IN
MAX16053
OUT
GND
CCDELAY
DC-DC
EN
EN VCC
IN
MAX16053
OUT
GND
CCDELAY
Figure 6. Multiple Output Sequencing
PROCESS: BiCMOS
Chip Information
Package Information
For the latest package outline information, go to
www.maxim-ic.com/packages.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
6 SOT23
U6+1
21-0058
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX16053.PDF ] | |
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