MIC49150YMM TR Micrel Inc, MIC49150YMM TR Datasheet

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MIC49150YMM TR

Manufacturer Part Number
MIC49150YMM TR
Description
IC REG LDO 1.5A ADJ 8MSOP
Manufacturer
Micrel Inc
Datasheet

Specifications of MIC49150YMM TR

Regulator Topology
Positive Adjustable
Voltage - Output
0.9 ~ 5 V
Voltage - Input
1.4 ~ 6.5 V
Voltage - Dropout (typical)
0.28V @ 1.5A
Number Of Regulators
1
Current - Output
1.5A
Current - Limit (min)
1.6A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MIC49150YMMTR
MIC49150YMMTR
General Description
The MIC49150 is a high-bandwidth, low-dropout, 1.5A volt-
age regulator ideal for powering core voltages of low-
power microprocessors. The MIC49150 implements a dual
supply
impedance and very fast transient response.
The MIC49150 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 MIC49150 offers fixed output
voltages from 0.9V to 1.8V and adjustable output voltages
down to 0.9V.
The MIC49150 requires a minimum of output capacitance
for stability, working optimally with small ceramic
capacitors.
The MIC49150 is available in an 8-pin power MSOP pack-
age and 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.
Typical Application
November 2006
V
BIAS
C
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (
BIAS
= 3.3V
configuration
Ceramic
C
Ceramic
V
IN
= 1µF
IN
= 1µF
Fast Transient Response Regulator
= 1.8V
Low Voltage,
MIC49150BR
IN
BIAS
allowing
GND
OUT
ADJ
for
R1
R2
very
V
OUT
C
Ceramic
= 1.0V
OUT
low
= 1µF
output
1
Features
• Input Voltage Range:
• Stable with 1µF ceramic capacitor
• ±1% initial tolerance
• Maximum dropout voltage (V
• 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
• Power MSOP-8 and S-Pak packages
• Junction temperature range: –40°C to 125°C
Applications
• Graphics processors
• PC add-in cards
• Microprocessor core voltage supply
• Low voltage digital ICs
• High efficiency linear power supplies
• SMPS post regulators
408
over temperature
) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
1.5A Low Voltage LDO Regulator
V
V
IN
BIAS
: 1.4V to 6.5V
: 3.0V to 6.5V
w/Dual Input Voltages
MIC49150
IN
–V
OUT
) of 500mV
M9999-111306

Related parts for MIC49150YMM TR

MIC49150YMM TR Summary of contents

Page 1

... BIAS GND Ceramic C = 1µF IN Ceramic Low Voltage, Fast Transient Response Regulator Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 ( November 2006 Features • Input Voltage Range: – – for very low output • ...

Page 2

Micrel, Inc. Ordering Information Part Number Standard RoHS Compliant MIC49150-0.9BMM MIC49150-0.9YMM MIC49150-1.2BMM MIC49150-1.2YMM MIC49150-1.5BMM MIC49150-1.5YMM MIC49150-1.8BMM MIC49150-1.8YMM MIC49150BMM MIC49150YMM MIC49150-0.9BR MIC49150-0.9WR* MIC49150-1.2BR MIC49150-1.2WR* MIC49150-1.5BR MIC49150-1.5WR* MIC49150-1.8BR MIC49150-1.8WR* MIC49150BR MIC49150WR* * RoHS Compliant with ‘high-melting solder’ exemption. Pin Configuration 1 EN/ADJ. ...

Page 3

Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) .........................................................8V IN Bias Supply Voltage (V )..............................................8V BIAS Enable Input Voltage (V )...............................................8V EN Power Dissipation .....................................Internally Limited (3) ESD Rating .................................................................. 4kV Electrical Characteristics T = 25°C with V = ...

Page 4

Micrel, Inc. Typical Characteristics Power Supply Rejection Ratio (Input Suppl ) 3.3V BIAS 1. 1.0V 20 OUT I = 1.5A OUT 1µF ceramic OUT ...

Page 5

Micrel, Inc. Typical Characteristics (cont.) Bias Current vs. Output Current BIAS 1.5V OUT 30 I BIAS OUTPUT CURRENT (mA) Bias Current vs. Bias Voltage 50 I ...

Page 6

Micrel, Inc. Typical Characteristics (cont.) Enable Threshold vs. Temperature 1.6 ON 1.4 1.2 1.0 OFF 0.8 0.6 0 BIAS 0 2. -40 - 100 120 TEMPERATURE (°C) November ...

Page 7

Micrel, Inc. Functional Characteristics November 2006 7 MIC49150 M9999-111306 ...

Page 8

Micrel, Inc. Functional Diagram V / Fixed EN ADJ Adj. November 2006 Enable Bandgap 8 Ilimit V Open IN R1 Circuit Fixed R2 MIC49150 V BIAS OUT M9999-111306 ...

Page 9

Micrel, Inc. Application Information The MIC49150 is an ultra-high performance, low-dropout linear regulator designed for high current applications requiring fast transient response. The MIC49150 utilizes two input supplies, significantly reducing dropout voltage, perfect for low-voltage, DC-to-DC conversion. The MIC49150 requires ...

Page 10

Micrel, Inc. capacitor of at least 1µF is needed directly between the input and regulator ground. Refer to “ Application Note 9 ” for further details and examples on thermal design and heat sink specification. Minimum Load Current The MIC49150, ...

Page 11

Micrel, Inc. ∆ – T J(max) A(max 125°C J(max maximum ambient operating temp- A(max) erature For example, the maximum ambient temperature is 50°C, the ∆T is determined as follows: ∆T = 125°C – 50°C ...

Page 12

Micrel, Inc. Package Information November 2006 8-Pin MSOP (MM) 5-Pin S-Pak (R) 12 MIC49150 M9999-111306 ...

Page 13

Micrel, Inc. MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no ...

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