MAX16052AUT+T-MAX16053AUT+T Fast Delivery |IC PHOENIX CO.,LIMITED

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MAX16052AUT+T-MAX16053AUT+T
High-Voltage, Adjustable Sequencing/Supervisory Circuits
General Description
The MAX16052/MAX16053 are a family of small, low-power,
high-voltage monitoring circuits with sequencing 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 de-asserted
(EN = low), the output deasserts (OUT = low). The
devices 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 output.
Both devices operate from a 2.25V to 28V 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 automotive temperature
range (-40°C to +125°C).
Beneits and Features●Less External Circuitry Results in Smaller Solution SizeOpen-Drain (28V Tolerant) Output Allows
Interfacing to 12V Intermediate Bus VoltageOperates from VCC of 2.25V to 28VSmall 6-Pin SOT23 Package●Ideal for Use in Power-Supply Sequencing, Reset
Sequencing, and Power-Switching ApplicationsActive-High Logic-Enable Input1.8% Accurate Adjustable Threshold Over Temperature●Fully Specified from -40°C to +125°C for Reliability in
Extreme Temperatures●Low Supply Current (18µA typ) Reduces Power
Consumption
Applications●Medical Equipment●Intelligent Instruments●Portable Equipment●Computers/Servers●Critical μP Monitoring●Set-Top Boxes●Telecom
DC-DC
CONVERTER
DC-DC
CONVERTER
OUT
GND
CDELAY
VCC
VCCEN
OUT
GND
CDELAY
OUT
12V
0.9VMAX16052MAX16052
MAX16052/MAX16053High-Voltage, Adjustable
Sequencing/Supervisory Circuits
Typical Operating Circuit
(All voltages referenced to GND.)
VCC........................................................................-0.3V to +30V
OUT (push-pull, MAX16053).....................-0.3V to (VCC + 0.3V)
OUT (open-drain, MAX16052)................................-0.3V to +30V
EN, IN ........................................................-0.3V to (VCC + 0.3V)
CDELAY....................................................................-0.3V to +6V
Input/Output Current (all pins)..........................................±20mA
Continuous Power Dissipation (TA = +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C)........695.7mW
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
Soldering Temperature (reflow) .......................................+260°C
(VCC = 2.25V to 28V, VEN = VCC, TA = TJ = -40°C to +125°C, unless otherwise specified. Typical values are at VCC = 3.3V and
TA = +25°C.) (Note 1)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
SUPPLY
Operating Voltage RangeVCC2.2528V
Undervoltage LockoutUVLOVCC falling (Note 2)1.82V
VCC Supply CurrentICC
MAX16052, no load
VCC = 3.3V1837
VCC = 12V2345
VCC = 28V3861
MAX16053, no load
VCC = 3.3V2247
VCC = 12V2957
VCC = 28V4471
Threshold VoltageVTHVIN rising, 2.25V ≤ VCC ≤ 28V0.4910.5000.509V
HysteresisVHYSTVIN falling5mV
Input CurrentIINVIN = 0 or 28V-110+25+110nA
CDELAY
CDELAY Charge CurrentICDVCDELAY = 0V200250300nA
CDELAY ThresholdVTCDVCDELAY rising0.951.001.05V
CDELAY Pulldown ResistanceRCDELAYVCC ≥ 2.25V, ISINK = 200μA1560ΩVCC ≥ 3.3V, ISINK = 1mA1560
EN Low VoltageVIL0.5V
EN High VoltageVIH1.4V
EN Leakage CurrentILEAKVEN = 0 or 28V-110+20+110nA
OUT
OUT Low Voltage
(Open-Drain or Push-Pull)VOL
VCC ≥ 1.2V, ISINK = 90μA0.2VCC ≥ 2.25V, ISINK = 0.5mA0.3
VCC > 4.5V, ISINK = 1mA0.4
OUT High Voltage
(Push-Pull, MAX16053)VOHVCC ≥ 2.25V, ISOURCE = 500μA0.8 x VCCVVCC ≥ 4.5V, ISOURCE = 800μA0.9 x VCC
OUT Leakage Current
MAX16052/MAX16053High-Voltage, Adjustable
Sequencing/Supervisory Circuits
Absolute Maximum Ratings
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
(VCC = 2.25V to 28V, VEN = VCC, TA = TJ = -40°C to +125°C, unless otherwise specified. Typical values are at VCC = 3.3V and
TA = +25°C.) (Note 1)
Note 1: All devices are production tested at TA = +25°C. Limits over temperature are guaranteed by design.
Note 2: When VCC falls below the UVLO threshold, the outputs deassert (OUT goes low). When VCC falls below 1.2V, the output
state cannot be determined.
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
TIMING
IN to OUT Propagation Delay
tDELAY
VCC = 3.3V,
VIN rising,
VIN = VTH + 25mV
MAX16052, 100kΩ
pullup resistor,
CCDELAY = 0
MAX16053,
CCDELAY = 030
MAX16052, 100kΩ
pullup resistor,
CCDELAY = 0.047μF
MAX16053,
CCDELAY = 0.047μF190
VCC = 12V,
VIN rising,
VIN = VTH + 25mV
MAX16052, 100kΩ
pullup resistor,
CCDELAY = 0MAX16053,
CCDELAY = 030
tDLVCC = 3.3V, VIN falling, VIN = VTH - 30mV18
VCC = 12V, VIN falling, VIN = VTH - 30mV18
Startup Delay (Note 3)VCC = 2.25V, VIN = 0.525V, CCDELAY = 00.5msVCC = 12V, VIN = 12V, CCDELAY = 00.5
EN Minimum Input Pulse WidthtMPW1µs
EN Glitch Rejection100ns
EN to OUT DelaytOFF
From
device
enabled
to device
disabled
MAX16052, 100kΩ pullup
resistor
VCC = 3.3V250VCC = 12V300
MAX16053VCC = 3.3V350
VCC = 12V400
EN to OUT DelaytPROP
From
device
disabled to
device
enabled
MAX16052, 100kΩ pullup
resistor,
CCDELAY = 0
VCC = 3.3V14VCC = 12V14
MAX16053VCC = 3.3V14
VCC = 12V14
MAX16052, 100kΩ pullup
resistor, CCDELAY = 0.047μF190MAX16053, CCDELAY = 0.047μF190
MAX16052/MAX16053High-Voltage, Adjustable
Sequencing/Supervisory Circuits
Electrical Characteristics (continued)
Figure 1. MAX16052/MAX16053 Timing Diagram (CCDELAY = 0)
VCC
VTH + 25mV
VTH - VHYSTVTH
VIHVIHVIH
VIL
tPROPtDLtDELAYtOFFtPROP
VOL
VOH
t < tMPW
t > tMPW
OUT
VUVLO
t < tPROP
VIH
VIL
MAX16052/MAX16053High-Voltage, Adjustable
Sequencing/Supervisory Circuits
(VCC = 3.3V and TA = +25°C, unless otherwise noted.)
OUTPUT LOW VOLTAGE
vs. SINK CURRENT
MAX16052/53 toc05
OUTPUT LOW VOLTAGE (V)
VCC = 28V
VCC = 12V
VCC = 5V
VCC = 3.3V
VCC = 2.25V
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX16052/53 toc01
VCC (V)
ICC
(µA)2016128428
MAX16052
VIN = 0V
IN THRESHOLD VOLTAGE
vs. TEMPERATURE
MAX16052/53 toc03
IN THRESHOLD VOLTAGE (mV)
TEMPERATURE (C)
OUTPUT HIGH VOLTAGE
vs. SOURCE CURRENT
MAX16052/53 toc06
OUTPUT HIGH VOLTAGE (V)
VCC = 12V
VCC = 28V
VCC = 2.25V
VCC = 5V
VCC = 3.3V
SUPPLY CURRENT
vs. TEMPERATURE
MAX16052/53 toc02
TEMPERATURE (C)
ICC
(µA)
MAX16052
VCC = 12V
VCC = 3.3V
VCC = 2.25V
VCC = 5V
VCC = 28V
OUT DELAY vs. CCDELAY
MAX16052/53 toc04
CCDELAY (nF)
OUT DELAY (ms)
MAX16052/MAX16053High-Voltage, Adjustable
Sequencing/Supervisory Circuits
Typical Operating Characteristics
(VCC = 3.3V and TA = +25°C, unless otherwise noted.)
MAXIMUM TRANSIENT DURATION
vs. INPUT OVERDRIVE
MAX16052/53 toc07
INPUT OVERDRIVE (mV)
MAXIMUM TRANSIENT DURATION (µs)
RESET OCCURS ABOVE
THIS CURVE
ENABLE TURN-ON DELAY
(MAX16053)
MAX16052/53 toc08
10µs/div
2V/div
OUT
2V/div
ENABLE TURN-OFF DELAY
(MAX16053)
MAX16052/53 toc09
400ns/div
2V/div
OUT
2V/div
IN LEAKAGE CURRENT
vs. TEMPERATURE
MAX16052/53 toc10
TEMPERATURE (°C)
IN LEAKAGE CURRENT (mA)
VCC = 28V
VCC = VEN = VIN
EN LEAKAGE CURRENT
vs. TEMPERATURE
MAX16052/53 toc12
EN LEAKAGE CURRENT (nA)
VCC = 28V
VCC = VEN = VIN
IN LEAKAGE CURRENT
vs. IN VOLTAGE
MAX16052/53 toc11
VIN (V)
IN LEAKAGE CURRENT (nA)2422201418166810124228
VCC = 28V
VCC = VEN
EN LEAKAGE CURRENT
vs. EN VOLTAGE
MAX16052/53 toc13
EN LEAKAGE CURRENT (nA)24202214121816461082
VCC = 28V
VCC = VIN
MAX16052/MAX16053High-Voltage, Adjustable
Sequencing/Supervisory Circuits
Typical Operating Characteristics (continued)

Partno	Mfg	Dc	Qty	Available	Descript
MAX16053AUT+T	N/A	N/a	2500	avai	High-Voltage, Adjustable Sequencing/Supervisory Circuits
MAX16052AUT+T	MAXIM	N/a	1634	avai	High-Voltage, Adjustable Sequencing/Supervisory Circuits