MIC45205 Module Datasheet

MIC45205 Datasheet, PDF, Equivalent


Part Number

MIC45205

Description

26V/6A DC/DC Power Module

Manufacture

Microchip

Total Page 30 Pages
Datasheet
Download MIC45205 Datasheet


MIC45205
MIC45205
26V/6A DC/DC Power Module
Features
• No Compensation Required
• Up to 6A Output Current
• >93% Peak Efficiency
• Output Voltage: 0.8V to 0.85 x VIN with ±1%
Accuracy
• Adjustable Switching Frequency from 200 kHz to
600 kHz
• Enable Input and Open-Drain Power Good Output
• HyperLight Load (MIC45205-1) Improves Light
Load Efficiency
• Hyper Speed Control (MIC45205-2) Architecture
Enables Fast Transient Response
• Supports Safe Startup into Pre-Biased Output
• –40°C to +125°C Junction Temperature Range
• Thermal Shutdown Protection
• Short-Circuit Protection with Hiccup Mode
• Adjustable Current-Limit
• Available in 52-pin 8 mm × 8 mm × 3 mm QFN
Package
Applications
• High Power Density Point-of-Load Conversion
• Servers, Routers, Networking, and Base Stations
• FPGAs, DSP, and Low-Voltage ASIC Power
Supplies
• Industrial and Medical Equipment
Typical Application Diagram
General Description
MIC45205 is a synchronous step-down regulator
module, featuring a unique adaptive ON-time control
architecture. The module incorporates a DC/DC
controller, power MOSFETs, bootstrap diode, bootstrap
capacitor, and an inductor in a single package;
simplifying the design and layout process for the end
user.
This highly integrated solution expedites system
design and improves product time-to-market. The
internal MOSFETs and inductor are optimized to
achieve high efficiency at a low output voltage. The fully
optimized design can deliver up to 6A current under a
wide input voltage range of 4.5V to 26V, without
requiring additional cooling.
The MIC45205-1 uses Microchip’s HyperLight Load®
(HLL) and the MIC45205-2 uses Microchip’s Hyper
Speed Control® architecture that enables ultra-fast
load transient response, allowing for a reduction of
output capacitance. The MIC45205 offers 1% output
accuracy that can be adjusted from 0.8V to 0.85 x VIN
with two external resistors. Additional features include
thermal shutdown protection, input undervoltage
lockout, adjustable current-limit, and short-circuit
protection. The MIC45205 allows for safe start-up into
a pre-biased output.
VIN
12V
CIN
ON
OFF
PVDD
ANODE
5VDD
BST
PG RIA
PVIN
VOUT
VIN MIC45205
FREQ
EN
FB
RIB
SW
GND
ILIM
PGND
VOUT
UP to 6A
CFF
RLIM
RFB1
COUT
RFB2
2017 Microchip Technology Inc.
DS20005798A-page 1

MIC45205
MIC45205
Functional Block Diagram
VIN BST
5VDD
PVDD
EN
FREQ
PG
FB
GND
VDD VIN BST
PVDD
PWM
CONTROLLER
EN DH
FREQ
SW
PG DL
FB
AGND ILIM PGND
ILIM
ANODE
PVIN
RIB
RINJ
RIA
CINJ
SW
VOUT
PGND
DS20005798A-page 2
2017 Microchip Technology Inc.


Features MIC45205 26V/6A DC/DC Power Module Feat ures • No Compensation Required • U p to 6A Output Current • >93% Peak Ef ficiency • Output Voltage: 0.8V to 0. 85 x VIN with ±1% Accuracy • Adjusta ble Switching Frequency from 200 kHz to 600 kHz • Enable Input and Open-Drai n Power Good Output • HyperLight Load (MIC45205-1) Improves Light Load Effic iency • Hyper Speed Control (MIC45205 -2) Architecture Enables Fast Transient Response • Supports Safe Startup int o Pre-Biased Output • –40°C to +12 5°C Junction Temperature Range • The rmal Shutdown Protection • Short-Circ uit Protection with Hiccup Mode • Adj ustable Current-Limit • Available in 52-pin 8 mm × 8 mm × 3 mm QFN Package Applications • High Power Density Po int-of-Load Conversion • Servers, Rou ters, Networking, and Base Stations • FPGAs, DSP, and Low-Voltage ASIC Power Supplies • Industrial and Medical Eq uipment Typical Application Diagram Ge neral Description MIC45205 is a synchronous step-down regulator module, featuring a unique adaptive ON-tim.
Keywords MIC45205, datasheet, pdf, Microchip, 26V/6A, DC/DC, Power, Module, IC45205, C45205, 45205, MIC4520, MIC452, MIC45, Equivalent, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute




@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)