MD-0111-DXT-EMXO [VECTRON]
GPS Disciplined Oscillator Module; GPS纪律振荡器模块
| 型号： | MD-0111-DXT-EMXO |
| 厂家： | 
Vectron International, Inc |
| 描述： | GPS Disciplined Oscillator Module |
| 文件： | 总8页 (文件大小：940K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MD-011
GPS Disciplined Oscillator Module
Former Model C6350
-011
MD
MD-011
The MD011 is a Vectron standard platform module that provides 1 pps TTL,10 MHz sine wave and 10 MHz square wave outputs that are
disciplined to an embedded 12 channel GPS Receiver. In addition, an external 1pps input can override the internal receiver as the primary
reference. Internal to the module is a Vectron oscillator, ranging from a TCXO to a double oven OCXO, dependent upon performance
requirements. Internal oscillators are capable of achieving an aging rate less as high as than 0.1ppb/day and stability over the operating
temperature range of less than 0.2ppb. In addition to the 7 standard models included in this data sheet, due to Vectron’s extensive portfolio of
oscillators and a firmware driven architecture, Vectron can customize a solution for your specific application.
Features
•ꢀ Embedded GPS Receiver
Applications
•ꢀ 3G Basestations (WCDMA, CDMA2000)
•ꢀ LTE
•ꢀ 1pps TTL output signals standard
•ꢀ 10MHz sinewave and square wave outputs standard
•ꢀ Other output frequencies available
•ꢀ Embedded oscillator dependent upon holdover requirements
•ꢀ Serial communications interface standard
•ꢀ WiMAX Basestations
•ꢀ Digital Video Broadcast
•ꢀ E911 Location Systems
•ꢀ General Timing and Synchronization
•ꢀ Military Radio
Block Diagram
Serial
Communications
Interface
Manual
Holdover
tput Locked
odule OK
Hardware
Reset
PS
tput
Processor/
Controller
Antenna
Input
Output
Frequency
Generation
GPS
Receiver
Output
MHz standard
- other frequencies
available)
1PPS Input
(Optional - other
input options
available)
Quartz Oscillator
(OCXO or TCXO)
Figure 1. Functional Block Diagram
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Summary Specifications
Comparitive Performance of Standard Modules
Model
Embedded Oscillator
Typical Uses
MD-0110-DXJ-TCXO-10M0000000
MD-0112-DXJ-HPTC-10M0000000
MD-0111-DXJ-EMXO-10M0000000
MD-0111-DXJ-DAEM-10M0000000
Applications requiring a GPS disciplined clock with little or no hold over
Applications requiring 1 hour hold over on the order of 10 us
Applications requiring 8 hour hold over on the order of 100 us
Application requiring 8 hour hold over of 100us over extended tempera-
ture ranges
TCXO
High Precision TCXO
EMXO
Digitally Assisted EMXO
MD-0113-BXJ-OCXO-10M0000000
Applications requiring 8 hour hold over of 50 us over extended tempera-
ture ranges
OCXO
MD-0113-BXJ-DAOC-10M0000000
MD-0114-BXJ-DOCX-10M0000000
Applications requiring 24 hour hold over on the order of 20 us
Applications with stringent hold over requirements, 8.6 us over 24 hour
Digitally Assisted OCXO
Double Oven OCXO
Hold Over Performance (detailed performance on page 5) 1
Hold Over Time
Hold Over
10 min
1 hr
DT=
2 oC
1 hr
8 hr
DT=
2 oC
8 hr
DT=
10 oC
24hr
DT=
2 oC
24 hr
DT=
10 oC
DT=
2 oC
DT=
10 oC
Temperature Change
Model
Maximum Accumulated Hold Over in us
MD-0110-DXJ-TCXO-10M0000000
MD-0112-DXJ-HPTC-10M0000000
MD-0111-DXJ-EMXO-10M0000000
MD-0111-DXJ-DAEM-10M0000000
MD-0113-BXJ-OCXO-10M0000000
MD-0113-BXJ-DAOC-10M0000000
MD-0114-BXJ-DOCX-10M0000000
4.9
1.5
32
12
120
27
60
8.7
4
500
270
105
20
1200
380
490
75
2400
2000
340
90
4700
2400
1500
250
100
21
2.5
12.5
2
0.4
0.14
0.05
0.05
0.9
0.24
0.09
9
30
35
0.4
.21
4.5
1
3.7
18
2.5
5.9
10
Summary Performance Characteristics
Accuracy
to UTC
(+/-1sig-
ma)
Model
Warm
Up Time
(min-
Aging / Temper- Module
Accuracy
(+/-) 3
Warm
up
Steady Voltage
day
ature
Height
(mm)
State
(V)
(ppb)1 Stability
(ppb)2
Power @ Power @
utes)
25 oC
(W)
25 oC
(W)
MD-0110-DXJ-TCXO-10M0000000
MD-0112-DXJ-HPTC-10M0000000
MD-0111-DXJ-EMXO-10M0000000
MD-0111-DXJ-DAEM-10M0000000
MD-0113-BXJ-OCXO-10M0000000
MD-0113-BXJ-DAOC-10M0000000
MD-0114-BXJ-DOCX-10M0000000
5
40
40
1
280
50
75
10
4
11
100 ns
100 ns
50 ns
50 ns
50 ns
50 ns
50 ns
5E-12
5E-12
2E-12
2E-12
1E-12
1E-12
1E-12
0.48
0.52
2.0
2.0
5
0.43
0.45
0.71
0.71
3.6
5
5
5
12.6
11.8
11.8
19.5
19.5
21.3
10
10
18
18
18
5
1
5
0.2
0.2
0.1
12
12
12
0.2
0.2
5
3.6
14
6
Phase Noise/ AVAR
-100 Hz
-10 Hz
-1 kHz
-10 kHz -100 kHz
AVAR
(t=1s)
AVAR
(t=10s)
MD-0110-DXJ-TCXO-10M0000000
MD-0112-DXJ-HPTC-10M0000000
MD-0111-DXJ-EMXO-10M0000000
MD-0111-DXJ-DAEM-10M0000000
MD-0113-BXJ-OCXO-10M0000000
MD-0113-BXJ-DAOC-10M0000000
MD-0114-BXJ-DOCX-10M0000000
-95
-80
-120
-110
-130
-130
-135
-135
-135
-140
-130
-140
-140
-145
-145
-145
-155
-140
-145
-145
-145
-145
-145
-155
-150
-150
-150
-145
-145
-145
tbd
tbd
tbd
tbd
-100
-100
-120
-120
-120
1E-10
1E-10
1E-11
1E-11
1E-11
5E-10
5E-10
2E-11
2E-11
2E-11
2
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Specifications
Internal Receiver Characteristics
Parameter
Type
Condition
Timimg w/ Auto Position Lock
12
Number of channels
Frequency band
Tracking code
L1 (1575.42 MHz)
C/A Code with T-RAIM
12 satellites
Tracking capability
Position Accuracy
Carrier and Code Tracking
<5m,1 sigma
< 10m, 2 sigma
<15 seconds
TTFF
HOT (currrent almanac, position, time and
ephemeris)
<80 seconds
<120 seconds
-173 dBw
Warm (current almanac, position, time)
Cold (no data)
Acquisition
Tracking
Sensitivity
Update rate
-185 dBw
GPS Antenna
Parameter
Min
4.0
Typical
4.8
Max
5.1
Units
VDC
Condition
Antenna Bias Voltage
12 V supply models
5 V supply models
2.6
3.1
3.4
VDC
Antenna Current
20
100
mA
see protocol for under current flag and short
circuit protection
RF Output Waveform Characteristics (via sma)
Parameter
Waveform
Min
Typical
Max
Units
Condition
Sinewave
Output Power
+3.0
+2.0
+9.0
+5.0
+11.0
+7.5
-30
dBm
dBm
dBc
50 Ohm, 12 V supply models
50 Ohm, 5 V supply models
50 Ohm
Harmonics
Spurious
-70
dBc
50 Ohm
RF Output Waveform Characteristics (via pin 8)
Waveform
HCMOS
High Level Output Voltage (VOH
)
4.0
2.3
5.0
3.3
0.4
0.3
5
VDC
VDC
VDC
VDC
nSec
%
<-0.5mA Load, 12 V supply models
<-0.5mA Load, 5 V supply models
<0.5mA Load, 12 V supply models
<0.5mA Load, 5 V supply models
15 pF
Low Level Output Voltage (VOL
)
0.0
0.0
3
Rise/Fall Time
Duty Cycle
40
50
60
15 pF
1pps Output Characteristics (via SMA and pin 2)
Parameter
Waveform
Min
Typical
Max
Units
Condition
TTL
High-level output voltage (VOH
)
4.5
3.0
5.0
3.3
0.4
0.3
V
V
V
V
50 Ohms, 12 V supply models
50 Ohms, 5V supply models
50 Ohms, 12 V supply models
50 Ohms, 5V supply models
DC
DC
DC
DC
Low-level output voltage (VOL
)
0.0
0.0
10
Pulse Width
default setting user programmable
100ns to 999.9999 ms
us
External 1PPS Reference Input (Pin 1)
Waveform
TTL
High-Level Output Voltage (VOH
)
2.0
10
5.0
0.4
V
V
50 Ohms input impedance
DC
DC
Low-Level Output Voltage (VOL
)
0.0
Pulse width7
uSec
3
Specifications
Lock Status Indicator (Pin 9)4
Parameter
Min
4.5
3.0
0
Typical
Max
5.0
Units
VDC
Condition
Module Locked
<5mA Load, 12 V supply model
<5mA Load, 5V supply model
<5mA Load, 12 V Supply model
<5mA Load, 5V supply model
3.3
VDC
Module Not Locked
0.5
VDC
0
0.3
VDC
Module Hardware OK Indicator (Pin 10)5
Module Hardware OK
4.5
3.0
0
5.0
3.3
0.5
0.3
VDC
VDC
VDC
VDC
<5mA Load, 12 V supply model
<5mA Load, 5V supply model
<5mA Load, 12 V Supply model
<5mA Load, 5V supply model
Module Hardware Failure
0
Module Hardware Reset (Pin 12) 6
Reset Module
0
0
0.5
VDC
2 kOhm internal pullup
2 kOhm internal pullup
0.3
VDC
Manual Holdover Set (Pin 11) 7
Enter Manual Holdover
0
0
0.5
VDC
2 kOhm internal pullup
2 kOhm internal pullup
0.3
VDC
Serial Communications Interface8
Rx high-level input voltage (VIH
)
4.5
3.0
5.5
3.3
0.5
0.3
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
Hz
12 V supply model
5 V supply model
Rx low-level input voltage (VIL)
-0.5
-0.3
4.5
0.0
0.0
5.0
3.3
0.0
0.0
1
12 V supply model
5 V supply model
Tx high-level output voltage (V
)
12 V supply model
OH
3.0
5 V supply model
Tx low-level output voltage (VOL
)
-0.5
-0.3
0.5
0.3
12 V supply model
5 V supply model
Update rate
User configurable from 0 to 255 seconds
Communications Protocol
Vectron Binary/NMEA 0183
See MD-010/MD-011Command List for
Full Details
Pulse width7
10
uSec
Supply Voltage(Pin 7,15,16)
Supply voltage
+11.4
+4.75
+12
+5
+12.6
+5.25
VDC
VDC
12 V supply models
5 V supply models
Absolute Maximum Ratings
Supply voltage (VS)
15
7.5
5.5
VDC
12 V supply models
5 V supply models
VDC
V
Dc voltage on any I/O pin
Output load
10
Ohms
mVpk-pk
AC ripple
50
10Hz to 1MHz
4
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Detailed Hold Over Specifications (us)
Holdover Capability - MD-0110-DXJ-TCXO-10M0000000
Holdover Time
1 minute
ΔT=2 ˚C
ΔT=10 ˚C
ΔT=20 ˚C
ΔT=30 ˚C
ΔT=45 ˚C9
0.6
2
2.1
10
4
6
10
45
5 minutes
10 minutes
30 minutes
1 hour
20
30
4.9
15
32
20
40
60
85
60
120
240
175
350
260
520
120
Holdover Capability - MD-0112-DXJ-HPTC-10M0000000
Holdover Time
1 minute
ΔT=2 ˚C
0.25
0.75
1.5
ΔT=10 ˚C
ΔT=20 ˚C
ΔT=30 ˚C
ΔT=45 ˚C9
0.5
2.1
4.3
13
1
4
1.2
5.5
10.8
33
1.7
8
5 minutes
10 minutes
30 minutes
1 hour
8
16
55
120
4.8
23
47
12
27
66
Holdover Capability - MD-0111-DXJ-EMXO-10M0000000
Holdover Time
30 minutes
1 hour
ΔT=2 ˚C
6.5
ΔT=10 ˚C
31
ΔT=20 ˚C
60
ΔT=30 ˚C
95
ΔT=45 ˚C9
140
12.5
52
60
120
180
270
4 hours
250
480
725
1090
8 hours
105
490
970
1450
4380
2170
24 hours
340
1500
2950
6530
Holdover Capability - MD-0111-DXJ-DAEM-10M0000000
Holdover Time
30 minutes
1 hour
ΔT=2 ˚C
ΔT=10 ˚C
ΔT=20 ˚C
ΔT=30 ˚C
12.3
25
ΔT=45 ˚C9
1
2
4.5
8.7
34
8.2
17
19
37
4 hours
8.5
20
90
70
100
150
295
920
8 hours
75
140
440
200
24 hours
240
630
Holdover Capability - MD-0110-DXJ-OCXO-10M0000000
Holdover Time
30 minutes
1 hour
ΔT=2 ˚C
ΔT=10 ˚C
ΔT=20 ˚C
ΔT=30 ˚C
ΔT=45 ˚C9
0.45
0.9
3.6
8
1.8
4
3.4
6.6
27
5
10
40
80
250
7.4
15
4 hours
14
30
100
60
8 hours
55
120
360
24 hours
32
170
Holdover Capability - MD-0110-DXJ-DAOC-10M0000000
Holdover Time
30 minutes
1 hour
ΔT=2 ˚C
ΔT=10 ˚C
ΔT=20 ˚C
ΔT=30 ˚C
ΔT=45 ˚C9
0.12
.24
1
0.2
0.4
1.6
3.7
21
0.3
0.5
2.3
5
0.35
1
0.5
1
4 hours
3
3.9
8.2
32
8 hours
4.5
18
3.5
25
24 hours
23
Holdover Capability - MD-0110-DXJ-DOCX-10M0000000
Holdover Time
30 minutes
1 hour
ΔT=2 ˚C
0.05
.09
ΔT=10 ˚C
ΔT=20 ˚C
0.19
ΔT=30 ˚C
0.27
0.54
2.2
ΔT=45 ˚C9
0.11
0.21
0.91
2
0.4
0.77
3.1
6.8
23
0.38
4 hours
0.4
1.54
8 hours
1.03
5.9
3.4
4.7
24 hours
9
12.8
17
5
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Specifications
Environmental Conditions
Parameter
Min
Typical
Max
Units
Condition
Operating temperature
Humidity @ 40˚C
see ordering information for avaialble ranges
90
%
Storage Temperature
-55
+125
˚C
Reliability
VI qualification includes aging various extreme temperatures, shock and vibration, temperature cycling, and IR reflow simulation.
The MD-011 family is capable of meeting the following qualification tests:
Environmental Compliance
Parameter
Mechanical shock
Conditions
MIL-STD-202, Method 213 condition B
MIL-STD-202, Method 204 condition A
MIL-STD-202, Method 215
Mechanical vibration
Resistance to solvents
Package Outline
Handling Precautions
Although ESD protection circuitry has been designed into the MD-011 proper precautions should be taken when handling and mounting. VI
employs a human body model (HBM) and a charged-device model (CDM) for ESD susceptibility testing and design protection evaluation.
ESD Ratings
Model
Minimum
1500 V
Conditions
MIL-STD-833, Method 3015
JEDEC, JESD22-C101
Human body model
Charged device model
1000 V
Package Outline
16 Pin I/O Connections
Number
Name
PPS In
PPS Out
Ground
Ground
Rx
Description
1
External 1 PPS Input
2
1 PPS Output
3
Ground
4
Ground
5
Serial Communications Receive
Serial Communications Transmit
Power Supply
6
Tx
7
Vcc
8
RF Out
Locked
Module OK
ManHold
Reset
RF HCMOS Output
Logic-high = Output locked to GPS
Logic low = Failure with module operation
Manual Holdover Input
Hardware reset
9
10
11
12
13
14
15
16
oscillator
height
Ground
Ground
Vcc
Ground
Ground
Notes:
Power Supply
•ꢀ RF and 1pps input and output connectors are MCX type (SMA, SMB, MMCX connectors
require additional part numbers).
•ꢀ Keyed connector is Samtec FTSH-108-01LDVK type.
•ꢀ Dimensions: mm
Vcc
Power Supply
•ꢀ Module height in part number is the sum of oscillator height, board, and clearance
6
•ꢀ
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Accessories
Vectron Partnumber
MD-011-EK
Description
MD-011X-XXX-XXXX Module with Evaluation Kit
GPS Timing Antenna, Active, +5Vdc
C6001A1-0001
C6001A1-0002
Antenna Cable, 10 meter length, N-Plug to SMA Plug
Ordering Information Instructions
The MD-011 series of GPS disciplined oscillators has multiple options with embedded OCXOs, Double OCXOs, EMXOs and TCXOs. Options
are created to optimize customer hold over requirements while meeting pricing needs. Customization to unique customer requirements
is available and is common for this level of integration. Common customizations include alternate output frequencies, temperature ranges,
differing values and methods of hold over specification, and holdover optimization in the frequency domain. Not all combinations of codes are
available. The table below lists exisiting combinations available as of the date of publication of this data sheet. Please contact the factory for
additional options.
Ordering Information
MD - 011 3 - B X J - OCXO - 10M0000000
Frequency
Product Family
MD: Precision Modules
Embedded Oscillator
Package
65x115mm
TCXO (Temperature Compensated XO)
HPTC (High Precision TCXO)
EMXO (Evacuated Miniaturized Oven Controlled XO)
DAEM (Digitally Assisted EMXO)
OCXO (Oven Controlled XO)
DAOC (Digitally Assisted OCXO)
DOCX (Double Oven Controlled XO)
Height
0: 11 mm
1: 11.8 mm
2: 13 mm
3: 19.5 mm
4: 21.3mm
5: 25 mm
6: 30 mm
Supply Voltage
A: + 15V
B: +12V
Temperature Range
D: +5V
D: -40°C to +70°C
E: -40°C to +85°C
J: -20°C to +70°C
T: 0°C to +70°C
RF Output Code
X: standard outputs
per specification
Available Models (standard models highlighted)
MD-0112-DXD-HPTC-10M0000000
MD-0112-DXE-HPTC-10M0000000
MD-0112-DXJ-HPTC-10M0000000
MD-0112-DXT-HPTC-10M0000000
MD-0113-DXD-OCXO-10M0000000
MD-0113-DXE-OCXO-10M0000000
MD-0113-DXJ-OCXO-10M0000000
MD-0113-DXT-OCXO-10M0000000
MD-0113-BXT-OCXO-10M0000000
MD-0114-DXT-DOCX-10M0000000
MD-0110-DXD-TCXO-10M0000000
MD-0110-DXE-TCXO-10M0000000
MD-0110-DXJ-TCXO-10M0000000
MD-0110-DXT-TCXO-10M0000000
MD-0111-DXD-DAEM-10M0000000
MD-0111-DXE-DAEM-10M0000000
MD-0111-DXJ-DAEM-10M0000000
MD-0111-DXT-DAEM-10M0000000
MD-0113-BXJ-OCXO-10M0000000
MD-0111-DXD-EMXO-10M0000000
MD-0111-DXE-EMXO-10M0000000
MD-0111-DXJ-EMXO-10M0000000
MD-0111-DXT-EMXO-10M0000000
MD-0113-DXD-DAOC-10M0000000
MD-0113-DXE-DAOC-10M0000000
MD-0113-DXJ-DAOC-10M0000000
MD-0113-DXT-DAOC-10M0000000
MD-0114-DXJ-DOCX-10M0000000
7
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Notes
1) Holdover and aging performance is after 7 days of power-on time.
2) Temperature stabilities applyt o -20 to +70 ˚C modules. For other temperatures the temperature stability will
vary, however the hold over values over defined temperature ranges remain constant.
3) 24 hour average when locked to GPS
4) The status locked indicator is intended to indicate when the module is fully locked to GPS.
5) The Hardware OK indicator is intended to indicate when the module is operating properly without any failures,
including hardware, software or parameter out of range. See protocol for further information.
6) Open collector input bit.
7) If the minimum supply current is not exceeded, the Antenna Open Flag will be set. Over current will be set if
maximum is exceeded. Circuit has overcurrent protection.
8) The Rx pin is the serial interface input and the Tx pin is the serial interface output. The serial interface shall
operate at 9600 baud with eight (8) data bits, one (1) stop bit and no parity.
9) This holdover performance also applies to the temperature deviation over the entire operating range of -20 to
+70˚C.
Application Notes
1) Holdover Contributions and Calculations - please contact factory
2) Vectron Discipline and Hold Over Process and Algorithms - please contact factory
3) Utilizing Disciplined Oscillators as Frequency References - please contact factory
For Additional Information, Please Contact
USA:
Europe:
Asia:
Vectron International
267 Lowell Road
Hudson, NH 03051
Tel: 1.888.328.7661
Vectron International
Vectron International
Landstrasse, D-74924
Neckarbischofsheim, Germany
Tel: +49 (0) 7268.801.100
1F-2F, No 8 Workshop, No 308 Fenju Road
WaiGaoQiao Free Trade Zone
Pudong, Shanghai, China 200131
Tel: 86.21.5048.0777
Fax: 1.888.329.8328
Fax: +49 (0) 7268.801.282
Fax: 86.21.5048.1881
Disclaimer
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Rev: 100509 dmc
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
8
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SMBus Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9135LG-T1-E3
SMBus Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9135_11
SMBus Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9136_11
Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9130CG-T1-E3
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9130LG-T1-E3
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9130_11
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9137
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9137DB
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9137LG
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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VISHAY
SI9122E
500-kHz Half-Bridge DC/DC Controller with Integrated Secondary Synchronous Rectification DriversWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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