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MIC49200WR TR

Description
ldo voltage regulators 2A ldo, low vin, low vout, fast transient response, ucap stable
Categorysemiconductor    Other integrated circuit (IC)   
File Size324KB,12 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance  
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MIC49200WR TR Overview

ldo voltage regulators 2A ldo, low vin, low vout, fast transient response, ucap stable

MIC49200WR TR Parametric

Parameter NameAttribute value
ManufactureMicrel
Product CategoryLDO Voltage Regulators
RoHSYes
Output Curre3 A
PackagingReel
Factory Pack Quantity750
MIC49200
2A Low Voltage LDO
with Dual Input Voltages
General Description
The MIC49200 is a high-bandwidth, low-dropout, 2A
voltage regulator ideal for powering core voltages of low-
power microprocessors. The MIC49200 implements a
dual supply configuration allowing for very low output
impedance and very fast transient response.
The MIC49200 requires a bias input supply and a main
input supply, allowing for ultra-low input voltages on the
main supply rail. The input supply operates from 1.4V to
6.5V and the bias supply requires between 3V and 6.5V
for proper operation. The MIC49200 offers
fixed
output
voltages from 0.9V to 1.8V and adjustable output voltages
down to 0.9V.
The MIC49200 requires a minimum of output capacitance
for stability, working optimally with small ceramic
capacitors.
The MIC49200 is available in a 5-pin S-Pak. Its operating
temperature range is –40°C to +125°C.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Input Voltage Range:
V
IN
: 1.4V to 6.5V
V
BIAS
: 3.0V to 6.5V
Stable with 1µF ceramic output capacitors
±1% initial tolerance
Maximum dropout voltage (V
IN
–V
OUT
) of 500mV
over temperature
Adjustable output voltage down to 0.9V
Ultra fast transient response (Up to 10MHz
bandwidth)
Excellent line and load regulation specifications
Logic controlled shutdown option
Thermal shutdown and current limit protection
Junction temperature range: –40°C to 125°C
Applications
Set-top box
Graphics processors
PC add-in cards
Microprocessor core voltage supply
Low voltage digital ICs
High efficiency linear power supplies
SMPS post regulators
Typical Application
Load Transient
Output Voltage
(50mV/div)
V
IN
= 2.8V
V
OUT
= 1.8V
Output Current
(1A/div)
V
BIAS
= 4V
C
OUT
= 1µF
Low Voltage, Fast Transient Response Regulator
Time (40µs/div)
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
January 2006
M9999-011306
(408) 955-1690

MIC49200WR TR Related Products

MIC49200WR TR MIC49200-1.8WR TR MIC49200-1.0WR TR MIC49200-1.0WR-TR MIC49200-1.8WR-TR
Description ldo voltage regulators 2A ldo, low vin, low vout, fast transient response, ucap stable ldo voltage regulators 2A ldo, low vin, low vout, fast transient response, ucap stable ldo voltage regulators dual supply, LV 2A ldo (lead free) IC REG LINEAR 1V 2A SPAK-5 IC REG LINEAR 1.8V 2A SPAK-5
Manufacture Micrel Micrel Micrel - -
Product Category LDO Voltage Regulators LDO Voltage Regulators LDO Voltage Regulators - -
RoHS Yes Yes Yes - -
Output Curre 3 A 3 A 3 A - -
Packaging Reel Reel Reel - -
Factory Pack Quantity 750 750 750 - -
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