19-2041; Rev 1; 8/01
Voltage Detectors in 4-Bump (2
X
2)
Chip-Scale Package
General Description
The MAX6406–MAX6411 is a family of ultra-low power
circuits used for monitoring battery, power-supply, and
regulated system voltages. Each detector contains a
precision bandgap reference comparator and is
trimmed to specified trip threshold voltages. These
devices provide excellent circuit reliability and low cost
by eliminating external components and adjustments
when monitoring system voltages from 2.5V to 5.0V. A
manual reset input is also included.
The MAX6406–MAX6411 assert a signal whenever the
V
CC
supply voltage falls below a preset threshold.
These devices are differentiated by their output logic
configurations and preset threshold voltages. The
MAX6406/MAX6409 (push-pull) and the MAX6408/
MAX6411 (open-drain) have an active-low output (OUT
is logic low when V
CC
is below V
TH
). The MAX6407/
MAX6410 have an active-high push-pull output (OUT
is logic high when V
CC
is below V
TH
). All parts are
guaranteed to be in the correct output logic state for
V
CC
down to 1V. The detector is designed to ignore
fast transients on V
CC
. The MAX6406/MAX6407/
MAX6408 have voltage thresholds between 2.20V and
3.08V in approximately 100mV increments. The
MAX6409/MAX6410/MAX6411 have voltage thresholds
between 3.30V and 4.63V in approximately 100mV
increments.
Ultra-low supply current of 500nA (MAX6406/MAX6407/
MAX6408) makes these parts ideal for use in portable
equipment. These devices are available in 4-bump
chip-scale packages (UCSP).
Features
o
Tiny 4-Bump (2
X
2) Chip-Scale Package, (Package
Pending Full Qualification—Expected Completion
Date 6/30/01. See
UCSP Reliability
Section for
More Details.)
o
70% Smaller Than SC70 Packages
o
Ultra-Low 500nA Supply Current
(MAX6406/MAX6407/MAX6408)
o
Factory-Trimmed Reset Thresholds from 2.20V to
4.63V in Approximately 100mV Increments
o
±2.5% Threshold Accuracy (-40°C to +85°C)
o
Manual Reset Input
o
Guaranteed OUT Valid to V
CC
= 1.0V
o
Three Reset Output Logic Options: Active-Low
Push-Pull, Active-High Push-Pull, and Active-Low
Open-Drain
o
Immune to Short V
CC
Transients
o
No External Components
MAX6406–MAX6411
Ordering Information
PART
MAX6406BS_
_-T
MAX6407BS_
_-T
MAX6408BS_
_-T
MAX6409BS_
_-T
MAX6410BS_
_-T
MAX6411BS_
_-T
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
UCSP-4
UCSP-4
UCSP-4
UCSP-4
UCSP-4
UCSP-4
Applications
Portable/Battery-Powered Equipment
Cell Phones
PDAs
MP3 Players
Pagers
Selector Guide
PART
MAX6406
MAX6407
MAX6408
MAX6409
MAX6410
MAX6411
NOMINAL
V
TH
(V)
2.20 to 3.08
2.20 to 3.08
2.20 to 3.08
3.30 to 4.63
3.30 to 4.63
3.30 to 4.63
OUT/OUT Output Type
Push-Pull, Active-Low
Push-Pull, Active-High
Open-Drain, Active-Low
Push-Pull, Active-Low
Push-Pull, Active-High
Open-Drain, Active-Low
The MAX6406–MAX6411 are available in factory-set V
CC
detector thresholds from 2.20V to 4.63V, in approximately 0.1V
increments. Choose the desired threshold suffix from Table 1
and insert it in the blank space following “S”. There are 21
standard versions with a required order increment of 2500
pieces. Sample stock is generally held on the standard ver-
sions only (Table1). Required order increment is 10,000 pieces
for nonstandard versions (Table 2). Contact factory for avail-
ability. All devices available in tape-and-reel only.
UCSP reliability is integrally linked to the user’s assembly
methods, circuit board material, and environment. Refer to the
UCSP Reliability Notice in the UCSP Reliability section of this
data sheet for more information.
Pin Configuration appears at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
________________________________________________________________
Maxim Integrated Products
1
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.
Voltage Detectors in 4-Bump (2
X
2)
Chip-Scale Package
MAX6406–MAX6411
ABSOLUTE MAXIMUM RATINGS
All voltages measured to GND unless otherwise noted.
VCC ..........................................................................-0.3V to +6V
OUT/OUT ...................................................-0.3V to (V
CC
+ 0.3V)
OUT
(open-drain) .....................................................-0.3V to +6V
MR
..............................................................-0.3V to (V
CC
+ 0.3V)
Input/Output Current into Any Pin .......................................20mA
Continuous Power Dissipation (T
A
= +70°C)
4-Pin/Bump UCSP (derate 3.8mW/°C above +70°C)....303mW
Operating Temperature Range ..........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range ............................-65°C to +160°C
Bump Reflow Temperature .............................................+235°C
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
(V
CC
= 1.0V to 5.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
CC
= 3V and T
A
= +25°C.) (Note1)
PARAMETER
Supply Voltage Range
SYMBOL
V
CC
CONDITIONS
T
A
= 0°C to +70°C
T
A
= -40°C to +85°C
MAX6406/MAX6407/MAX6408
V
CC
= 3.0V for V
TH
≤
2.93V,
V
CC
= 3.2V for V
TH
> 2.93V, no load
V
CC
= 5.5V, no load
Detector Threshold
Voltage Threshold Hysteresis
Detector Threshold Tempco
∆V
TH
/°C
V
IL
MR
Input
V
IH
V
IL
V
IH
MR
Minimum Input Pulse Width
MR
Glitch Rejection
MR
to OUT/OUT Delay
MR
Pullup Resistance
Propagation Delay
Startup Time
OUT
Output Voltage Low
(MAX6406/MAX6408/MAX6409/
MAX6411)
V
OL
V
CC
= (V
TH
+ 100mV) to (V
TH
- 100mV)
V
CC
= (V
TH
- 100mV) to (V
TH
+ 100mV)
V
CC
= 0 to V
TH
(min)
I
SINK
= 1.6mA, V
CC
≥
2.1V,
OUT
asserted
I
SINK
= 100µA, V
CC
≥
1.2V,
OUT
asserted
I
SOURCE
= 500µA, V
CC
= 3.2V, MAX6406,
OUT
not asserted
OUT
Output Voltage High
(MAX6406/MAX6409)
V
OH
I
SOURCE
= 800µA, V
CC
= 4.5V,
V
TH
≤
4.38V,
OUT
not asserted
I
SOURCE
= 800µA, V
CC
= V
TH
(max),
V
TH
≥
4.5V,
OUT
not asserted
0.8 x V
CC
0.8 x V
CC
0.8 x V
CC
V
25
t
MD
V
TH
> 4.0V
V
TH
≤
4.0V
2.0
0.2 x V
CC
0.7 x V
CC
1
100
200
50
20
42
88
0.3
V
0.4
75
µs
ns
ns
kΩ
µs
µs
V
TH
Table 1
T
A
= +25°C
T
A
= -40°C to +85°C
MIN
1.0
1.2
0.5
1.0
TYP
MAX
5.5
5.5
1.0
1.75
V
mV
ppm/°C
0.8
V
UNITS
V
Supply Current
I
CC
µA
V
TH
- 1.5% V
TH
V
TH
+ 1.5%
V
TH
- 2.5% V
TH
V
TH
+ 2.5%
6.3
9.5
40
MAX6406/MAX6407/MAX6408
MAX6409/MAX6410/MAX6411
2
_______________________________________________________________________________________
Voltage Detectors in 4-Bump (2
X
2)
Chip-Scale Package
MAX6406–MAX6411
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
PROPAGATION DELAY (V
CC
RISING)
vs. TEMPERATURE
MAX6406-11 toc03
MAXIMUM TRANSIENT DURATION
vs. THRESHOLD OVERDRIVE
OUT/OUT IS ASSERTED ABOVE LINE
MAXIMUM TRANSIENT DURATION (µs)
400
MAX6406-11 toc04
140
V
OD
= OVERDRIVE VOLTAGE
120
PROPAGATION DELAY (µs)
100
80
60
V
OD
= 100mV
40
20
0
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
V
OD
= 200mV
V
OD
= 20mV
V
OD
= 10mV
500
300
200
100
0
1
10
100
1000
THRESHOLD OVERDRIVE V
TH
- V
CC
(mV)
Pin Description
PIN
MAX6406/MAX6408
MAX6409/MAX6411
A1
NAME
MAX6407/MAX6410
A1
GND
OUT
Ground
Active-Low Output.
OUT
remains low while V
CC
is below the threshold.
OUT
is open-drain on the MAX6408/MAX6411 and push-pull on the
MAX6406/MAX6409.
Active-High Output. OUT remains high while V
CC
is below the
threshold.
Active-Low Manual Reset. Internal 50kΩ pullup to V
CC
. Pull low to
assert the output. OUT remains asserted as long as
MR
is low. Leave
unconnected or connect to V
CC
if unused.
Supply Voltage and Input for the Voltage Detector.
FUNCTION
B1
—
—
B1
OUT
B2
A2
B2
A2
MR
V
CC
4
_______________________________________________________________________________________
Microcontroller MCU
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