49ROXPH
Micrel New
Product
Highlights
Table of Contents
MIC94300/MIC94310 Power Supply Output Noise
Attenuators ..........................................................................2
MIC2782 Dual-Input Push Button Reset IC with
Immediate and Delayed Outputs....................................... 3
MIC28510 75V/4A SuperSwitcher II™ Synchronous
Buck Regulator ....................................................................3
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0,& í +LJK 3655 /RZ 1RLVH P$ &DS
8OWUD/RZ'URSRXW/'2 ......................................................4
SM802121 &ORFN:RUNV *E( 0+]
8OWUD/RZ-LWWHU/93(&/)UHTXHQF\-LWWHU .........................5
60 ± &ORFN:RUNV 0+]0+] 8OWUD/RZ
-LWWHU/9&026)UHTXHQF\6\QWKHVL]HU .............5
60
±
&ORFN:RUNV
'XDO
0+]
8OWUD/RZ-LWWHU&026)UHTXHQF\6\QWKHVL]HU ................6
60 ± &ORFN:RUNV *E( 2FWDO 0+]
0+] 8OWUD/RZ -LWWHU /93(&/ )UHTXHQF\
6\QWKHVL]HU ..........................................................................6
KSZ9031RN – Gigabit Ethernet Transceiver with RGMII
6XSSRUW3UHOLPLQDU\ ..........................................................7
4XDUWHUO\5HOHDVHV ............................................................8
www.micrel.com
MIC94300/MIC94310
Noise Attenuators
- Power Supply Output
The MIC94300 integrated load switch and the MIC94310 DC/DC regulaWRULQFRUSRUDWH0LFUHO¶V5LSSOH%ORFNHUDFWLYH¿OWHUWHFKQRORJ\WRSURYLGH
high-frequency ripple attenuation (switching noise rejection) for applications
where switching noise cannot be tolerated by sensitive downstream circuits.
The MIC94300/MIC94310 are rated at up to 200mA and operate from an
input voltage of 1.8V to 3.6V. These products also include linear current
limiting and thermal shutdown to ensure full protection from damage due to
fault conditions.
Packaged in a 0.88mm x 0.88mm 4-ball CSP or 4-pin 1.2mm x 1.6mm Thin
MLF® package, these devices have a junction operating temperature range
of -40°C to +125°C.
ey
ene ts
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80dB PSRR at 1kHz
60dB PSRR at 5MHz
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Higher RF transmission strength
Increased dynamic signal integrity
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Up to 63% smaller than discrete alternatives
Applications
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:HEFDPVGLJLWDOVWLOODQGYLGHRFDPHUDV
9LGHRFRQIHUHQFLQJ
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MIC94310 Typical Application
4
2
MIC2782 - Dual-Input Push Button Reset IC with
Immediate and Delayed Outputs
Features
The MIC2782 is a two input, two output push button reset IC. It will generate a reset pulse for a factory programmed reset timeout period after
both manual reset inputs have been held to a logic-low for the factory
programmed setup period. The MIC2782 also has an ANDOUT logic output
which will activate if both inputs are held low for longer than a debounce
time (1.5ms), and deactivate if one or both inputs are released for longer
than a debounce time (1.5ms). The RESET and ANDOUT outputs are
active-low, open-drain NMOS outputs.
The MIC2782 operates over the 1.5V to 5.5V supply voltage range,
consuming just 2.2PA of supply current at 3.3V. The device features 65k:
internal pull-up resistors on both of the inputs (/MR1 and /MR2). The device
offers factory programmed setup periods of 6s, 8s, 10s, or 12s and reset
timeout periods of 0.5s, 1s or 2s.
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PA Supply Current with /MR1, /MR2 not asserted
)DFWRU\SURJUDPPHGVHWXSSHULRGVRIVVVRUV
)DFWRU\SURJUDPPHGUHVHWWLPHRXWSHULRGVRIVVRUV
,QWHJUDWHGN: /MR1 and /MR2 Pull-up Resistors
6XSSRUWVVLQJOHSXVKEXWWRQUHVHWZLWK05WLHGWR05
5(6(7DVVHUWVDIWHU05DQG05DUHDVVHUWHGORZIRUDVHWXS
period
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debounce time (1.5ms)
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EXPSPPSLWFKPP[PP:DIHU/HYHO&KLS6FDOH
Package (WLCSP)
Applications
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7DEOHWV
H%RRNV
3RUWDEOH*DPHV
3RUWDEOH1DYLJDWLRQ'HYLFHV
MIC2782 Block Diagram
MIC28510 - 75V/4A Hyper Speed Control™
Synchronous DC/DC Buck Regulator SuperSwitcher II™
The Micrel MIC28510 is an adjustable-frequency, synchronous buck regulator featuring unique adaptive on-time control architecture. The MIC28510
operates over an input supply range of 4.5V to 75V and provides a regulated output of up to 4A of output current. The output voltage is adjustable
down to 0.8V with a guaranteed accuracy of ±1%.
Micrel’s Hyper Speed Control™ architecture allows for ultra-fast transient
response while reducing the output capacitance and also makes (High VIN)/
(Low VOUT) operation possible. This adaptive tON ripple control architecture
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response in a single device.
The MIC28510 offers a full suite of protection features to ensure protection of the IC during fault conditions. These include undervoltage lockout
to ensure proper operation under power-sag conditions, internal soft-start
to reduce inrush current, foldback current limit, “hiccup” mode short-circuit
protection and thermal shutdown.
Features
+\SHU6SHHG&RQWURODUFKLWHFWXUHHQDEOHV
High Delta V operation (VIN = 75V and VOUT = 0.8V)
Small output capacitance
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Zero-ESR to high-ESR output capacitors
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7KHUPDOVKXWGRZQ
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qC to +125qC junction temperature range
SLQPPu 6mm MLF® package
Applications
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&RPPXQLFDWLRQV1HWZRUNLQJ,QIUDVWUXFWXUH
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MIC28510 Typical Application
7
3
MIC5234 - Low-Quiescent Current 150mA LDO
Regulator
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it is ideal for supplying keep-alive power in systems with high-voltage batteries.
Capable of 150mA output, the MIC5234 has a dropout voltage of only
320mV. It can also survive an input transient of -20V to +32V. The MIC5234
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The MIC5234 includes a logic compatible enable input. Other features of
the MIC5234 include thermal shutdown, current limit, overvoltage shutdown, load dump protection, reverse-leakage and reverse battery protection.
The MIC5234 is available in an 8-pin ePad SOIC package with a junction
operating range from -40qC to +125qC.
Features
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:LGHLQSXWYROWDJHUDQJH9WR9
/RZGURSRXW
P9#P$
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7\SLFDOLQLWLDORXWSXWDFFXUDF\
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5HYHUVHOHDNDJHDQGUHYHUVHEDWWHU\SURWHFWLRQ
7KHUPDOO\HQKDQFHGSLQH3DG62,&SDFNDJH
Applications
³.HHSDOLYH´VXSSO\LQQRWHERRNDQGSRUWDEOHSHUVRQDOFRPSXWHUV
/RJLF6XSSO\IURPKLJKYROWDJHEDWWHULHV
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MIC5234 Typical Application
MIC5323 - High PSRR Low Noise 300mA μCap
Ultra-Low Dropout LDO Regulator
The MIC5323 is a high-performance, 300mA LDO regulator, offering
extremely high PSRR and very low noise while consuming low ground
current. Ideal for battery operated applications, the MIC5323 features 2%
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ground current at light load (typically 90μA). When disabled, the MIC5323
typically consumes less than 1μA.
The MIC5323 is a μCap design that can operate with small ceramic
output capacitors for stability, thereby reducing required board space and
component cost.
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voltages in the super compact 6-pin 2mm × 2mm Thin MLF® and thin
SOT-23-5 packages.
MIC5323 Typical Application
8
4
Features
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,QSXWYROWDJHUDQJHWR9
6WDEOHZLWKFHUDPLFRXWSXWFDSDFLWRU
P$JXDUDQWHHGRXWSXWFXUUHQW
/RZRXWSXWQRLVH9UPV
+LJK3655XSWRG%#N+]
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+LJKRXWSXWDFFXUDF\RYHUWHPSHUDWXUH
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SLQPPîPP7KLQ0/)® package
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Applications
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SM802121 - ClockWorks™ 10GbE (156.25MHz),
Ultra-Low Jitter, LVPECL Frequency Jitter
The SM802121 is a member of the ClockWorks™ family of devices from
Micrel and provides an extremely low noise timing solution for 10GbE
Ethernet clock signals. It is based upon a unique patented RotaryWave®
architecture that provides verylow phase noise.
The device operates from a 2.5V or 3.3V power supply and synthesizes
a single LVPECL output clock at 156.25MHz. The SM802121 accepts a
25MHz crystal or LVCMOS reference clock.
Features
*HQHUDWHVRQH/93(&/FORFNRXWSXWVDW0+]
9RU9RSHUDWLQJUDQJH
7\SLFDOSKDVHMLWWHU#0+]
(1.875MHz to 20MHz): 110fs
,QGXVWULDOWHPSHUDWXUHUDQJHqC to +85qC)
SLQPPu 4mm QFN package
Applications
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(QWHUSULVHVZLWFKHVDQGVHUYHUV
SM802121 Block Diagram
SM802123 - ClockWorks™ 125MHz/25MHz
Ultra-Low Jitter, LVCMOS Frequency
Synthesizer
The SM802123 is a member of the ClockWorks™ family of devices from
Micrel and provides an extremely lownoise timing solution. It is based upon
a unique patented RotaryWave® architecture that provides verylow phase
noise.
The device operates from a 2.5V or 3.3V power supply and synthesizes
16 LVCMOS output clocks, eight at 125MHz and eight at 25MHz. The
SM802123 accepts a 25MHz LVCMOS reference input.
Features
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eight LVCMOS output clocks at 25MHz
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(1.875MHz to 20MHz): 115fs
,QGXVWULDOWHPSHUDWXUHUDQJHqC to +85qC)
SLQPPu 7mm QFN package
Applications
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SM802123 Block Diagram
9
5
SM802124 - ClockWorks™ Dual 125MHz
Ultra-Low Jitter, CMOS Frequency Synthesizer
The SM802124 is a member of the ClockWorks™ family of devices from
Micrel and provides an extremely low-noise timing solution for Ethernet
clock signals. It is based upon a unique patented RotaryWave® architecture
that provides verylow phase noise.
The device operates from a 3.3V or 2.5V power supply and synthesizes two
CMOS output clocks at 125MHz from a 15MHz LVCMOS reference clock.
Features
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9RU9RSHUDWLQJUDQJH
7\SLFDOUPVSKDVHMLWWHU#0+]
1.875MHz to 20MHz : 85fs (Input source dependent)
,QGXVWULDOWHPSHUDWXUHUDQJH±qC to +85qC)
*UHHQ5R+6DQG3)26FRPSOLDQW
SLQPPu 4mm QFN package
Applications
*LJDELW(WKHUQHW
(QWHUSULVHVZLWFKHVDQGVHUYHUV
SM802124 Block Diagram
SM802128 - ClockWorks™ 10GbE Octal
156.25MHz/312.5MHz, Ultra-Low Jitter, LVPECL
Frequency Synthesizer
The SM802128 is a member of the ClockWorks™ family of devices from
Micrel and provides an extremely low-noise timing solution for 10GbE
Ethernet clock signals. It is based upon a unique patented RotaryWave®
architecture that provides very low phase noise.
The device operates from a 3.3V or 2.5V power supply and synthesizes
eight LVPECL output clocks at 156.25MHz or 312.5MHz. The SM802128
accepts a 25 MHz crystal or LVCMOS reference clock.
SM802128 Block Diagram
6
6
Features
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9RU9RSHUDWLQJUDQJH
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1.875MHz to 20MHz : 110fs (with crystal reference)
,QGXVWULDOWHPSHUDWXUHUDQJH±qC to +85qC)
*UHHQ5R+6DQG3)26FRPSOLDQW
SLQPPu 7mm QFN package
Applications
*LJDELW(WKHUQHW;$8,
'DWD&HQWHU(QWHUSULVHVZLWFKHVDQGURXWHUV
KSZ9031RN - Gigabit Ethernet Transceiver
with RGMII Support (Preliminary)
The KSZ9031RN is a completelyintegrated, triplespeed (10BaseT/100Base-TX/1000Base-T) Ethernet physical layer transceiver for
transmission and reception of data over standard CAT-5 unshielded twisted
pair (UTP) cable.
The KSZ9031RN provides the Reduced Gigabit Media Independent
Interface (RGMII) for direct connection to RGMII MACs in Gigabit Ethernet
Processors and Switches for data transfer at 10/100/1000 Mbps speed.
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on-chip termination resistors for the four differential pairs and by integrating
a LDO controller to drive a low cost MOSFET to supply the 1.2V core.
The KSZ9031RN provides diagnostic features to facilitate system bringup
and debugging in production testing and in product deployment. Parametric
NAND tree support enables fault detection between KSZ9031 I/Os and
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and digital data paths.
The KSZ9031RN is available in a 48-pin, lead-free QFN package.
Features
6LQJOHchip 10/100/1000 Mbps IEEE 802.3 compliant Ethernet
transceiver
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5*0,,,2VZLWK99WROHUDQWDQGSURJUDPPDEOHWLPLQJVWR
adjust and correct delays on Tx and Rx paths
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(10/100/1000 Mbps) and duplex (half/full)
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requires only external FET to generate 1.2V for the core
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consumption when cable not attached
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I/Os and board
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(QHUJ\(I¿FLHQW(WKHUQHW(((VXSSRUW
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detection
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pair swap at all speeds of operation
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pair polarity
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,QWHUUXSWSLQRSWLRQ
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Core: 1.2V (external FET or regulator)
I/O: 1.8V, 2.5V, or 3.3V
Transceiver: 3.3V
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Applications
/DVHU1HWZRUN3ULQWHUV
1HWZRUN$WWDFKHG6WRUDJH1$6
1HWZRUN6HUYHUV
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,379
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0HGLD&RQYHUWHUV
KSZ9031RN Block Diagram
7
Analog Products - Quarterly Releases
Part Number
Description
High Performance Active Filters
Evaluation Board
Production
Package(s)
Comments
MIC94300
Ripple Blocker Noise Attenuating Switch
YES
YES
4-bump CSP, 4-pin Thin MLF®
Datasheet online
MIC94310
Ripple Blocker Noise Attenuating Regulator
YES
YES
4-bump CSP, 4-pin Thin MLF®
Datasheet online
75V / 4A SuperSwitcher II™ Buck Regulator
YES
YES
28-pin MLF®
Datasheet online
Switch-Mode Regulators
MIC28510
LDOs
MIC5234
Low Quiescent Current 150 mA LDO
Mar-12
YES
8-pin ePad SOIC
Datasheet online
MIC5323
High PSRR 300mA PCap LDO
Mar-12
YES
SOT-23-5, 6-pin Thin MLF®
Datasheet online
Mar-12
YES
6-bump CSP
Datasheet online
High Performance Analog ICs
MIC2782
Dual Input Push Button Reset IC
HBW Products - Quarterly Releases
Part Number
ClockworksTM
Description
Evaluation Board
Production
Package(s)
Comments
SM802121
ClockWorks™ 10GbE (156.25MHz), Ultra-Low Jitter, LVPECL Frequency Jitter
YES
24-pin QFN
Datasheet online
SM802123
&ORFN:RUNV0+]0+]8OWUDí/RZ-LWWHU/9&026)UHTXHQF\6\QWKHVL]HU
YES
44-pin QFN
Datasheet online
SM802124
&ORFN:RUNV'XDO0+]8OWUDí/RZ-LWWHU&026)UHTXHQF\6\QWKHVL]HU
&ORFN:RUNV*E(2FWDO0+]0+]8OWUDí/RZ-LWWHU&026
Frequency Synthesizer
YES
24-pin QFN
Datasheet online
YES
24-pin QFN
Datasheet online
SM802128
Ethernet Products - Quarterly Releases
Part Number
Description
Evaluation Board
Production
Package(s)
Comments
Physical Layer Transceivers
KSZ9031RN
Gigabit Ethernet Transceiver with RGMII Support (Preliminary)
Preliminary
48-pin QFN
Datasheet online
Contact Micrel, Inc.
Location
Address
Telephone
Fax
Corporate HQ
2180 Fortune Drive
San Jose, CA 95131 USA
+1 408 944 0800
+1 408 474 1000
Western USA
2180 Fortune Drive
San Jose, CA 95131 USA
+1 408 944 0800
+1 408 474 1000
Central USA
2425 N. Central Express Way, Suite 351
Richardson, TX 57080 USA
+1 972 393 2533
+1 972 393 2370
Eastern USA
93 Branch Street
Medford, NJ 08055 USA
+1 609 654 0078
+1 609 654 0989
Latin America
2425 N. Central Express Way, Suite 351
Richardson, TX 57080 USA
+1 972 393 2533
+1 972 393 2370
Hong Kong
Unit 311, 3F, Core Bldg. 1, #1 Science Park East Ave., Hong Kong Science Park
Shatin, N.T., Hong Kong
+852 2886 8839
+852 2886 8851
China
No. 2001 & 2002, 20F, Excellence Times Plaza, 4068 Yitian Rd., Futian Dist.
Shenzhen, P.R. China 518048
+86 755 8302 7618
+86 755 8302 7637
Japan
Queens Tower 14F, 2-3-1, Minato Mirai, Nishi-ku, Yokohama-shi
Kanagawa 220-6014, Japan
+81 45 224 6616
+81 45 224 6716
Korea
2F, The Korean Academy of Science and Technology Bldg.,
7-1 Gumi-Dong, Bundang-Gu, Seongnam-Si
Gyeonggi-do, 463-808, Korea
+82 2 538 2380
+82 2 538 2381
Singapore/India
7500A Beach Road, #07-324 The Plaza
Singapore 199591
+65 6291 1318
+65 6291 1332
Taiwan
4F, No. 43 Lane 188, Rueiguang Road, Nei-Hu District
Taipei 11491 Taiwan, R.O.C
+886 2 8751 0600
+886 2 8751 0746
UK/EMEA
1st Floor, 3 Lockside Place, Mill Lane, Newbury, Berks
United Kingdom RG 14 5QS
+44 1635 524455
+44 1635 524466
France/Southern Europe
Les Laurentides - Batiment Ontario, 3 Avenue du Quebec
91140 Villebon sur Yvette, France
+33 0 1 6092 4190
+33 0 1 6092 4189
Tel: 1.408.944.0800
Fax: 1.408.955.1666
www.micrel.com
© 2012 Micrel, Inc. All rights reserved. Micrel, Innovation Through Technology, HyperLight Load and LinkMD are registered trademarks of Micrel, Inc.
Ramp Control, Dynamic Average Matching, SuperSwitcher II, SuperSwitcher IIG, Hyper Speed Control, Ripple Blocker, Any Capacitor and ClockWorks
are trademarks of Micrel, Inc. RotaryWave is a registered trademark of Multigig, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor
Technology, Inc.
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8
M0108-012412