MAX6775LTC+T [ROCHESTER]
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6, 1 X 1.50 MM, ROHS COMPLIANT, UDFN-6;
| 型号： | MAX6775LTC+T |
| 厂家： | 
Rochester Electronics |
| 描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6, 1 X 1.50 MM, ROHS COMPLIANT, UDFN-6 信息通信管理 光电二极管 |
| 文件： | 总12页 (文件大小：870K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-3774; Rev 4; 5/09
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
5–MAX6781
General Description
Features
The MAX6775–MAX6781 low-power, 1%-accurate bat-
tery monitors are available in the ultra-small µDFN
package (1.0mm x 1.5mm) and SC70 packages. These
low-power devices are ideal for monitoring single lithi-
um-ion (Li+) cells, or multicell alkaline/NiCd/NiMH
power sources. These devices offer single (MAX6775/
MAX6776/MAX6777/MAX6778) or dual (MAX6779/
MAX6780/MAX6781) low-battery outputs and feature
fixed or resistor-adjustable hysteresis. Hysteresis elimi-
nates the output chatter sometimes associated with bat-
tery voltage monitors, usually due to input-voltage noise
or battery terminal voltage recovery after load removal.
o 1.0%-Accurate Threshold Specified Over
Temperature
o Single/Dual, Low-Battery Output Options
o Low 3µA Battery Current
o Open-Drain or Push-Pull Low-Battery Outputs
o Fixed or Adjustable Hysteresis
o Low-Input Leakage Current Allows Use of Large
Resistors
o Guaranteed Valid Low-Battery-Output Logic State
Down to V
= 1V
BATT
These devices are available in several versions: with
single- or dual-voltage monitors, and with fixed or
adjustable hysteresis. The MAX6775/MAX6776 offer a
single battery monitor and factory-set hysteresis of
0.5%, 5%, or 10%. The MAX6779/MAX6780/MAX6781
have two battery monitors in a single package and fac-
tory-set hysteresis of 0.5%, 5%, or 10%. The MAX6777/
MAX6778 offer a single battery monitor with external
inputs for the rising and falling thresholds, allowing
external hysteresis control.
o Immune to Short Battery Transients
o Fully Specified from -40°C to +85°C
o Small 5-Pin SC70 or Ultra-Small 6-Pin µDFN
(1mm x 1.5mm) Package
Ordering Information
PART
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
5 SC70
MAX6775XK_+T
MAX6775LT_+T
MAX6776XK_+T
MAX6776LT_+T
MAX6777XK+T
MAX6777LT+T
6 µDFN
For convenient interface with system power circuitry or
microprocessors, both open-drain and push-pull out-
puts are available. The single-channel devices are
available with open-drain or push-pull outputs. The
dual-channel devices are available with both outputs
open-drain, both outputs push-pull, or one of each
(see the Selector Guide). This family of devices is
offered in small 5-pin SC70 and ultra-small 6-pin µDFN
packages, and is fully specified over the -40°C to
+85°C extended temperature range.
5 SC70
6 µDFN
5 SC70
6 µDFN
Ordering Information continued at end of data sheet.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
MAX6775/MAX6776/MAX6779/MAX6780/MAX6781 are available
with factory-trimmed hysteresis. Specify trim by replacing “_”
with “A” for 0.5%, “B” for 5%, or “C” for 10% hysteresis.
Typical Operating Circuit
Applications
Battery-Powered Systems (Single-Cell Li+ or
Multicell NiMH, NiCd, Alkaline)
Cell Phones/Cordless Phones
Pagers
BATT
IN
Portable Medical Devices
PDAs
DC-DC
CONVERTER
MAX6775
LBI
LBO
SHDN OUT
3.6V
Electronic Toys
MP3 Players
Pin Configurations appear at end of data sheet.
________________________________________________________________ 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.
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
ABSOLUTE MAXIMUM RATINGS
BATT to GND............................................................-0.3V to +6V
LBI, LBL, LBH, LBI1, LBI2 to GND...............-0.3V to minimum of
Continuous Power Dissipation (T = +70°C)
A
5-Pin SC70 (derate 3.1mW/°C above +70°C)..............247mW
6-Pin µDFN (derate 2.1mW°C above +70°C) ..............168mW
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
((V
+ 0.3V) and +6V)
BATT
LBO, LBO1, LBO2 to GND (open-drain) .................-0.3V to +6V
LBO, LBO1, LBO2 to GND (push-pull).........-0.3V to minimum of
((V
+ 0.3V) and +6V)
BATT
Input Current (all pins) ........................................................20mA
Output Current (all pins) .....................................................20mA
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
= 1.6V to 5.5V, T = -40°C to +85°C, unless otherwise specified. Typical values are at T = +25°C.) (Note 1)
BATT
A
A
PARAMETER
SYMBOL
CONDITIONS
= 0°C to +70°C
MIN
1.0
TYP
MAX
5.5
5.5
7
UNITS
5–MAX6781
T
T
A
Operating Voltage Range
(Note 2)
V
V
BATT
= -40°C to +85°C
1.2
A
V
V
= 3.7V, no load
= 1.8V, no load
4
BATT
BATT
Supply Current
I
µA
Q
3.2
6
FIXED HYSTERESIS (MAX6775/MAX6776/MAX6779/MAX6780/MAX6781)
0.5% hysteresis version
1.2037
1.1493
1.0888
1.2098
-5
1.2159
1.1609
1.0998
1.222
1.2280
1.1725
1.1108
1.2342
+5
LBI, LBI_ Falling Threshold
(Note 3)
V
V
V
5% hysteresis version
10% hysteresis version
LBIF
LBI Rising Threshold
V
LBIR
LBI Input Leakage Current
0.2V ≤ V
≤ V
- 0.2V
BATT
nA
LBI
ADJUSTABLE HYSTERESIS (MAX6777/MAX6778)
LBL, LBH Threshold
V
V
= 1.8V to 5.5V
1.2098
-5
1.222
1.2342
+5
V
BATT
BATT
LBL, LBH Input Leakage Current
- 0.2V ≥ V
≥ 0.2V
nA
LBL/LBH
2
_______________________________________________________________________________________
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
5–MAX6781
ELECTRICAL CHARACTERISTICS (continued)
(V
= 1.6V to 5.5V, T = -40°C to +85°C, unless otherwise specified. Typical values are at T = +25°C.) (Note 1)
BATT
A
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOW-BATTERY OUTPUTS (LBO, LBO1, LBO2)
Propagation Delay
Startup Time
t
V
V
V
V
V
+ 100mV to V
- 100mV
9
µs
PD
LBI_
LBI_
rising above 1.6V
3
ms
BATT
BATT
BATT
BATT
≥ 1.2V, I
≥ 2.7V, I
≥ 4.5V, I
= 100µA
= 1.2mA
= 3.2mA
0.3
0.3
0.3
SINK
SINK
SINK
Output Low (Push-Pull or
Open-Drain)
V
V
OL
0.8 x
V
V
V
≥ 1.6V, I
≥ 2.7V, I
≥ 4.5V, I
= 100µA
= 500µA
= 800µA
BATT
BATT
BATT
SOURCE
SOURCE
SOURCE
V
BATT
0.8 x
Output High (Push-Pull )
V
V
OH
V
BATT
0.8 x
V
BATT
Output Leakage Current
(Open-Drain)
Output not asserted, V
= 5.5V
-100
+100
nA
LBO_
Note 1: Devices are tested at T = +25°C and guaranteed by design for T = T
to T
, as specified.
MAX
A
A
MIN
Note 2: Operating range ensures low-battery output is in the correct state. Minimum battery voltage for electrical specification is 1.6V.
Note 3: The rising threshold is guaranteed to be higher than the falling threshold.
Typical Operating Characteristics
(T = +25°C, unless otherwise noted.)
A
MAXIMUM TRANSIENT DURATION
vs. THRESHOLD OVERDRIVE
SUPPLY CURRENT
vs. TEMPERATURE
PROPAGATION DELAY
vs. TEMPERATURE
70
60
50
40
30
20
10
0
6.0
12
11
10
9
OUTPUT ASSERTED ABOVE THIS LINE
V
= 1.6V
BATT
5.5
V
V
V
= 5V
= 3.6V
= 3V
BATT
BATT
BATT
5.0
4.5
4.0
3.5
3.0
2.5
V
= 5V
BATT
V
V
= 2.4V
= 1.6V
BATT
BATT
8
100mV OVERDRIVE
7
-40
1
10
100
1000
-40
-15
10
35
60
85
-15
10
35
60
85
THRESHOLD OVERDRIVE V - V (mV)
TEMPERATURE (°C)
TEMPERATURE (°C)
TH
CC
_______________________________________________________________________________________
3
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
NORMALIZED THRESHOLD VOLTAGES
vs. TEMPERATURE, MAX67__A
NORMALIZED THRESHOLD VOLTAGES
vs. TEMPERATURE, MAX67__B
NORMALIZED THRESHOLD VOLTAGES
vs. TEMPERATURE, MAX67__C
1
1
0
1
0
NORMALIZED AT T = +25°C
NORMALIZED AT T = +25°C
NORMALIZED AT T = +25°C
A
A
A
0
RISING
-1
RISING
FALLING
FALLING
RISING
-1
-2
-3
-4
FALLING
-2
-1
-2
-3
-3
-4
-5
-40
-15
10
35
60
85
-40
-15
10
35
60
85
-40
-15
10
35
60
85
5–MAX6781
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
LBO OUTPUT VOLTAGE
vs. SINK CURRENT
LBO OUTPUT VOLTAGE
vs. SOURCE CURRENT
0.5
0.4
0.3
0.2
0.1
0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
V
= 1.8V
BATT
V
= 3.3V
BATT
V
= 5.0V
BATT
V
= 3.3V
BATT
V
= 5.0V
BATT
V
1
= 1.8V
BATT
0
3
6
9
12
15
0
2
3
4
5
SINK CURRENT (mA)
SOURCE CURRENT (mA)
4
_______________________________________________________________________________________
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
5–MAX6781
Pin Description
MAX6779/
MAX6780/
MAX6781
MAX6775/
MAX6776
MAX6777/
MAX6778
NAME
FUNCTION
µDFN
SC70
µDFN
SC70
—
µDFN
—
Reserved. Must be connected to GND. Do not use as the only
GND connection.
1
2
3
1
2
3
—
2
GND2
GND
LBI
2
2
Ground
Low-Battery Input. Connect to the resistive divider to set the
trip level.
—
—
—
Low-Battery Output, Active-Low. When V /V
falls below
LBI LBL
4
4
4
4
—
LBO
the falling threshold, LBO asserts. LBO deasserts when
/V exceeds the rising threshold voltage.
V
LBI LBH
5
6
—
5
5
6
—
5
—
6
N.C.
No Connection. Not internally connected.
Battery Input. Power supply to the device.
BATT
Rising-Trip-Level Input. Connect to a resistive divider to set the
rising trip level.
—
—
—
—
—
—
—
—
1
3
1
3
—
—
1
LBH
LBL
Falling-Trip-Level Input. Connect to a resistive divider to set the
falling trip level.
Low-Battery Input 2. Connect to a resistive divider to set the
trip level.
—
—
—
—
LBI2
LBI1
Low-Battery Input 1. Connect to a resistive divider to set the
trip level.
3
Low-Battery Output 1, Active-Low. When V
falls below the
LBI1
falling threshold voltage, LBO1 asserts. LBO1 deasserts when
exceeds the rising threshold voltage. LBO1 is push-pull
on the MAX6779/MAX6781 and open-drain for the MAX6780.
—
—
—
—
—
—
—
—
4
5
LBO1
LBO2
V
LBI1
Low-Battery Output 2, Active-Low. When V falls below the
LBI2
falling threshold voltage, LBO2 asserts. LBO2 deasserts when
exceeds the rising threshold voltage. LBO2 is open-drain
V
LBI2
for the MAX6780/MAX6781 and push-pull for the MAX6779.
_______________________________________________________________________________________
5
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
Detailed Description
These battery monitors have an active-low output that
asserts when the input falls below a set voltage. They
V
BATT
also offer hysteresis for noise immunity, and to remove
the possibility of output chatter due to battery terminal
voltage recovery after load removal. They are available
with one or two monitors per package, with push-pull or
open-drain outputs, and with internally set or externally
adjustable hysteresis (dual-channel devices offer only
internally fixed hysteresis). Figures 1, 2, and 3 show
block diagrams and typical connections. See the
Selector Guide for details.
BATT
MAX6779
MAX6780
MAX6781
LBI1
LBO1
1
0
HYSTERESIS
CONTROL
Low-Battery Output
All devices are offered with either push-pull or open-
drain outputs (see the Selector Guide). The MAX6781
has one push-pull output and one open-drain output,
configured as in Table 1.
0
1
V
REF
LBO2
On all devices with open-drain outputs an external
pullup resistor is required. The open-drain pullup resis-
tor can connect to an external voltage up to +6V,
regardless of the voltage at BATT.
5–MAX6781
LBI2
GND
Table 1. MAX6781 Outputs
DEVICE
LBO1
LBO2
MAX6781
Push-Pull
Open-Drain
Figure 2. Dual-Channel Fixed-Hysteresis Block Diagram
V
BATT
V
BATT
BATT
BATT
R
H
R
H
MAX6777
MAX6778
MAX6775
MAX6776
LBI
LBL
LBH
1
0
LBO
R
HYST
1
0
HYSTERESIS
CONTROL
R
L
LBO
V
REF
V
REF
R
L
GND
GND
Figure 1. Single-Channel Fixed-Hysteresis Block Diagram
Figure 3. Single-Channel Adjustable-Hysteresis Block Diagram
6
_______________________________________________________________________________________
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
5–MAX6781
The MAX6779, MAX6780, and MAX6781 monitor two
Adjustable Hysteresis
The MAX6777/MAX6778 offer external hysteresis con-
trol through the resistive divider that monitors battery
voltage. Figure 3 shows the connections for external
hysteresis. See the Calculating an External Hysteresis
Resistive Divider section for more information.
battery levels or two independent voltages. A common
application for this type of dual-battery monitor is to use
one output as an early warning signal and the other as
a dead-battery indicator.
Hysteresis
Input hysteresis defines two thresholds, separated by a
small voltage (the hysteresis voltage), configured so
the output asserts when the input falls below the falling
threshold, and deasserts only when the input rises above
the rising threshold. Figure 4 shows this graphically.
Hysteresis removes, or greatly reduces, the possibility of
the output changing state in response to noise or battery
terminal voltage recovery after load removal.
Applications Information
Resistor-Value Selection
Choosing the proper external resistors is a balance
between accuracy and power use. The input to the volt-
age monitor, while high impedance, draws a small cur-
rent, and that current travels through the resistive
divider, introducing error. If extremely high resistor val-
ues are used, this current introduces significant error.
With extremely low resistor values, the error becomes
negligible, but the resistive divider draws more power
from the battery than necessary and shortens battery
Fixed Hysteresis
The MAX6775/MAX6776/MAX6779/MAX6780/MAX6781
have factory-set hysteresis for ease of use, and reduce
component count. For these devices, the absolute hys-
teresis voltage is a percentage of the internally generat-
ed reference. The amount depends on the device
option. “A” devices have 0.5% hysteresis, “B” devices
have 5% hysteresis, and “C” devices have 10% hystere-
sis. Table 2 presents the threshold voltages for devices
with internally fixed hysteresis.
life. Figure 1 calculates the optimum value for R using:
H
e
x V
BATT
A
R
=
H
I
L
where e is the maximum acceptable absolute resistive
A
divider error (use 0.01 for 1%), V
is the battery volt-
BATT
age at which LBO should activate, and I is the worst-
L
case LBI leakage current. For example, with 0.5%
accuracy, a 2.8V battery minimum, and 5nA leakage,
H
MAX6775
MAX6776
R = 2.80MΩ.
V
BATT
Calculate R using:
L
V
LBIR
V
x R
H
LBIF
V
HYST
R
=
− V
− V
L
LBIF
BATT
V
LBIF
where V
is the falling threshold voltage from Table 2.
LBIF
t
PD
t
PD
Continuing the above example, select V
= 1.0998V
LBIF
LBO
(10% hysteresis device) and R = 1.81MΩ.
L
Figure 4. Hysteresis
Table 2. Typical Falling and Rising Thresholds for
MAX6775/MAX6776/MAX6779/MAX6780/MAX6781
PERCENT
HYSTERESIS (%)
FALLING THRESHOLD
(V ) (V)
RISING THRESHOLD
(V ) (V)
HYSTERESIS VOLTAGE
DEVICE OPTION
(V
HYST
) (mV)
LBIF
LBIR
A
B
C
0.5
5
1.2159
1.1609
1.0998
1.222
1.222
1.222
6.11
61.1
122
10
_______________________________________________________________________________________
7
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
and finally, calculate R
:
Calculating an External
Hysteresis Resistive Divider
HYST
Setting the hysteresis externally requires three external
R
= R − R
LO L
HYST
resistors, as shown in Figure 3. Select R using the fol-
H
lowing formula:
Monitoring a Battery Voltage Higher
Than the Allowable V
For monitoring higher voltages, supply power to BATT
that is within the specified supply range, and power the
input resistive divider from the high voltage to be moni-
tored. Do not exceed the Absolute Maximum Ratings.
e
× V
BATT _RISING
A
R
≤
H
BATT
I
L
where e is the allowable error due to input leakage
A
current (typically 0.005 or less), V
is the
BATT_RISING
desired rising threshold, and I is the worst-case leak-
L
age current (5nA). Then calculate R
(which is the
Adding External Capacitance to
Reduce Noise and Transients
LO
sum of R and R
):
L
HYST
If monitoring voltages in a noisy environment, add a
bypass capacitor of 0.1µF from BATT to GND as close
as possible to the device. For systems with large tran-
sients, additional capacitance may be required. A small
capacitor (<1nF) from LBI_ to GND may provide addi-
tional noise immunity.
V
× R
H
LBI
BATT _FALLING
R
=
LO
V
− V
LBI
5–MAX6781
where V
is 1.222V and V
is the desired
LBI
BATT_FALLING
falling threshold. Calculate R using:
L
V
× R + R
H
(
)
LBI
LO
R =
L
V
BATT _RISING
Selector Guide
PART
LBO OUTPUT
Single
Single
Single
Single
Single
Single
Single
Single
Dual
OUTPUT TYPE
HYSTERESIS
Fixed
PIN-PACKAGE
5 SC70
MAX6775XK_+T
MAX6775LT_+T
MAX6776XK_+T
MAX6776LT_+T
MAX6777XK+T
MAX6777LT+T
MAX6778XK+T
MAX6778LT+T
MAX6779LT_+T
MAX6780LT_+T
MAX6781LT_+T
Push-Pull
Push-Pull
Open-Drain
Open-Drain
Push-Pull
Push-Pull
Open-Drain
Open-Drain
Push-Pull
Open-Drain
Mixed
Fixed
6 µDFN
5 SC70
Fixed
Fixed
6 µDFN
5 SC70
Adjustable
Adjustable
Adjustable
Adjustable
Fixed
6 µDFN
5 SC70
6 µDFN
6 µDFN
6 µDFN
6 µDFN
Dual
Fixed
Dual
Fixed
8
_______________________________________________________________________________________
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
5–MAX6781
Top Marks
PART
MAX6777XK+T
MAX6777LT+T
MAX6778XK+T
MAX6778LT+T
MAX6779LTA+T
MAX6779LTB+T
MAX6779LTC+T
MAX6780LTA+T
MAX6780LTB+T
MAX6780LTC+T
MAX6781LTA+T
MAX6781LTB+T
MAX6781LTC+T
TOP MARK
ASD
CB
PART
MAX6775XKA+T
MAX6775XKB+T
MAX6775XKC+T
MAX6775LTA+T
MAX6775LTB+T
MAX6775LTC+T
MAX6776XKA+T
MAX6776XKB+T
MAX6776XKC+T
MAX6776LTA+T
MAX6776LTB+T
MAX6776LTC+T
TOP MARK
ASA
ASB
ASC
BU
ASI
CC
BL
BW
BM
BX
BN
ASJ
ASK
ASL
BY
BO
BP
BQ
BR
BZ
BS
CA
BT
Ordering Information (continued)
Chip Information
PROCESS: BICMOS
PART
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
PIN-PACKAGE
5 SC70
MAX6778XK+T
MAX6778LT+T
MAX6779LT_+T
MAX6780LT_+T
MAX6781LT_+T
6 µDFN
6 µDFN
6 µDFN
6 µDFN
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
MAX6775/MAX6776/MAX6779/MAX6780/MAX6781 are available
with factory-trimmed hysteresis. Specify trim by replacing “_”
with “A” for 0.5%, “B” for 5%, or “C” for 10% hysteresis.
_______________________________________________________________________________________
9
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
Pin Configurations
TOP VIEW
BATT
6
N.C.
5
LBO
4
+
GND2
GND
LBI
1
2
3
5
4
BATT
LBO
MAX6775
MAX6776
MAX6775
MAX6776
1
2
3
SC70
GND2
GND
LBI
μDFN
BATT
6
N.C.
5
LBO
4
BATT
LBO2
5
LBO1
4
5–MAX6781
+
6
LBH
GND
LBL
1
2
3
5
4
BATT
LBO
MAX6777
MAX6778
MAX6779
MAX6780
MAX6781
MAX6777
MAX6778
1
2
3
1
2
3
SC70
LBH
GND
LBL
LBI2
GND
LBI1
μDFN
μDFN
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
PACKAGE TYPE
5 SC70
PACKAGE CODE
X5-1
DOCUMENT NO.
21-0076
6 µDFN
L611-1
21-0147
10 ______________________________________________________________________________________
Low-Power, 1%-Accurate Battery
Monitors in µDFN and SC70 Packages
5–MAX6781
Revision History
REVISION
NUMBER
REVISION
DATE
PAGES
DESCRIPTION
CHANGED
4
5/09
Updated Calculating an External Hysteresis Resistive Divider section
8
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 ____________________ 11
© 2009 Maxim Integrated Products
Heaney
Maxim is a registered trademark of Maxim Integrated Products, Inc.
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