Product Information

MIC26901YJL-TR

MIC26901YJL-TR electronic component of Microchip

Datasheet
Switching Voltage Regulators 28V/9A DC-DC Buck Regulator w/ HSC

Manufacturer: Microchip
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Price (USD)

1: USD 3.4845 ea
Line Total: USD 3.4845

757 - Global Stock
Ships to you between
Thu. 11 Apr to Mon. 15 Apr
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
757 - Global Stock


Ships to you between Thu. 11 Apr to Mon. 15 Apr

MOQ : 1
Multiples : 1

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MIC26901YJL-TR
Microchip

1 : USD 3.4845
25 : USD 3.036
100 : USD 2.783

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Mounting Style
Package / Case
Output Voltage
Number of Outputs
Input Voltage MAX
Topology
Input Voltage MIN
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Quiescent Current
Brand
Input Voltage
Operating Temperature Range
Type
Shutdown
Cnhts
Hts Code
Load Regulation
Mxhts
Product Type
Factory Pack Quantity :
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MIC26901 28V, 9A Hyper Speed Control Synchronous DC/DC Buck Regulator SuperSwitcher II General Description Features Hyper Speed Control architecture enables The Micrel MIC26901 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control - High Delta V operation (V = 28V and V = 0.8V) IN OUT architecture. The MIC26901 operates over an input supply - Small output capacitance range of 4.5V to 28V and provides a regulated output of up to 4.5V to 28V voltage input 9A of output current. The output voltage is adjustable down to 9A output current capability, up to 95% efficiency 0.8V with a guaranteed accuracy of 1%, and the device Adjustable output from 0.8V to 5.5V operates at a switching frequency of 600kHz. 1% feedback accuracy Micrels Hyper Speed Control architecture allows for ultra- Any Capacitor stable -zero-to-high ESR fast transient response while reducing the output capacitance and also makes (High V )/(Low V ) operation possible. 600kHz switching frequency IN OUT This adaptive t ripple control architecture combines the ON No external compensation advantages of fixed-frequency operation and fast transient Power Good (PG) output response in a single device. Foldback current-limit and hiccup mode short-circuit The MIC26901 offers a full suite of protection features to protection ensure protection of the IC during fault conditions. These Supports safe startup into a pre-biased load include undervoltage lockout to ensure proper operation 40 C to +125 C junction temperature range under power-sag conditions, internal soft-start to reduce 28-pin 5mm 6mm MLF package inrush current, foldback current limit, hiccup mode short- circuit protection and thermal shutdown. An open-drain Power Good (PG) pin is provided. Applications All support documentation can be found on Micrels web Distributed power systems site at: www.micrel.com. Communications/networking infrastructure Set-top box, gateways and routers Printers, scanners, graphic cards and video cards Typical Application Efficiency (V = 12V) IN vs. Output Current 100 95 5.0V 3.3V 90 2.5V 1.8V 85 1.5V 80 1.2V 1.0V 75 0.9V 70 0.8V 65 60 55 V = 12V IN 50 02 46 8 10 12 OUTPUT CURRENT (A) Hyper Speed Control, SuperSwitcher II, and Any Capacitor are trademarks of Micrel, Inc. MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 Micrel, Inc. MIC26901 Ordering Information Junction Temperature Part Number Voltage Switching Frequency Package Lead Finish Range MIC26901YJL Adjustable 600kHz 40C to +125C 28-Pin 5mm 6mm MLF Pb-Free Pin Configuration 28-Pin 5mm 6mm MLF (YJL) Pin Description Pin Number Pin Name Pin Function 5V Internal Linear Regulator (Output): PVDD supply is the power MOSFET gate drive supply voltage 1 PVDD and created by internal LDO from V . When V < +5.5V, PVDD should be tied to PVIN pins. A 2.2F IN IN ceramic capacitor from the PVDD pin to PGND (pin 2) must be place next to the IC. 3 NC No Connect. Switch Node (Output): Internal connection for the high-side MOSFET source and low-side MOSFET 4, 9, 10, 11, SW drain. Due to the high speed switching on this pin, the SW pin should be routed away from sensitive 12 nodes. Power Ground. PGND is the ground path for the MIC26903 buck converter power stage. The PGND pins connect to the low-side N-Channel internal MOSFET gate drive supply ground, the 2, 5, 6, 7, 8, PGND sources of the MOSFETs, the negative terminals of input capacitors, and the negative terminals of 21 output capacitors. The loop for the power ground should be as small as possible and separate from the Signal ground (SGND) loop. High-Side N-internal MOSFET Drain Connection (Input): The PV operating voltage range is from IN 13,14,15, PVIN 4.5V to 28V. Input capacitors between the PVIN pins and the power ground (PGND) are required 16,17,18,19 and keep the connection short. Boost (Output): Bootstrapped voltage to the high-side N-channel MOSFET driver. A Schottky diode is connected between the PVDD pin and the BST pin. A boost capacitor of 0.1F is connected 20 BST between the BST pin and the SW pin. Adding a small resistor at the BST pin can slow down the turn- on time of high-side N-Channel MOSFETs. 2 July 2011 M9999-071311-A

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
AT9
ATM
Atmel
Atmel Wireless (VA)
M4S
M6S
M8S
M9S
MCP
Micrel
Micrel Inc
MICREL SEMICONDUCTOR
MICREL SYNERGY SEMI
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MICROCHIP (MICREL)
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Microchip / Microsemi
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Microchip Tech
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Microchip Technology Micrel
Microchip Technology / Atmel
Microchip Technology / Micrel
MICROCHIPDIRECT
MICROSEMI
Microsemi Analog Mixed Signal Group
Microsemi Analog Mixed Signal Group [MIL]
Microsemi Commercial Components Group
MICROSEMI COMMUNICATIONS INC.
Microsemi Consumer Medical Product Group
Microsemi Corporation
Microsemi FTD
Microsemi Power Management Group
Microsemi Power Products Group
Microsemi SoC
MICROSEMI/LAWRENCE
MICROSEMI/LINFINITY
MSC
Roving Networks
ROVING NETWORKS INC
ROVING NETWORKS INC.
ROVING NETWORKS, INC.
Silicon Storage
SILICON STORAGE TECH
SILICON STORAGE TECHNOLOGY
Supertex
Vectron
VECTRON INTERNATIONAL
VECTRON INTL
Vitesse Microsemi
Vitesse / Microsemi

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