MIC5319-1.3HYD5 TR Micrel Inc, MIC5319-1.3HYD5 TR Datasheet

500mA Cap Ultra-Low Dropout, High PSRR LDO Regulator In TSOT ( )

MIC5319-1.3HYD5 TR

Manufacturer Part Number
MIC5319-1.3HYD5 TR
Description
500mA Cap Ultra-Low Dropout, High PSRR LDO Regulator In TSOT ( )
Manufacturer
Micrel Inc
Datasheet

Specifications of MIC5319-1.3HYD5 TR

Regulator Topology
Positive Fixed
Voltage - Output
1.375V
Voltage - Input
2.5 ~ 5.5 V
Number Of Regulators
1
Current - Output
500mA
Current - Limit (min)
600mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TSOT-23-5, TSOT-5, TSOP-5
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Dropout (typical)
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
576-2863-2
MIC5319-1.3HYD5 TR
MIC5319-1.3HYD5TR
MIC5319-1.3HYD5TR
General Description
The MIC5319 is a high-performance, 500mA LDO
regulator, offering extremely high PSRR and very-low
noise while consuming low ground current.
Ideal for battery-operated applications, the MIC5319
features 1% accuracy, extremely low-dropout voltage
(200mV @ 500mA), and low ground current at light load
(typically 90µA). Equipped with a logic-compatible enable
pin, the MIC5319 can be put into a zero-off-mode current
state, drawing no current when disabled.
The MIC5319 is a µCap design operating with very-small
ceramic output capacitors for stability, thereby reducing
required board space and component cost.
The MIC5319 is available in fixed-output voltages and
adjustable output voltages in the super-compact 2mm x
2mm MLF
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Typical Application
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.
May 2010
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 •
®
leadless package and thin SOT-23-5 package.
Features
• Ultra-low dropout voltage 200mV @ 500mA
• Input voltage range: 2.5 to 5.5V
• Stable with ceramic output capacitor
• Low output noise: 40µVrms
• Low quiescent current of 90µA total
• High PSRR, up to 70dB @1kHz
• Fast turn-on-time: 40µs typical
• High-output accuracy:
• Thermal-shutdown protection
• Current-limit protection
• Logic-controlled Enable
• Tiny 2mm x 2mm MLF
• Thin SOT-23-5 package, 500mA peak
Applications
• Cellular phones
• PDAs
• Fiber optic modules
• Portable electronics
• Notebook PCs
• Audio Codec power supplies
− ±1.0% initial accuracy
− ±2.0% over temperature
500mA µCap Ultra-Low Dropout
High PSRR LDO Regulator
MIC5319
®
package, 500mA continuous
http://www.micrel.com
M9999-052510

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MIC5319-1.3HYD5 TR Summary of contents

Page 1

... Equipped with a logic-compatible enable pin, the MIC5319 can be put into a zero-off-mode current state, drawing no current when disabled. The MIC5319 is a µCap design operating with very-small ceramic output capacitors for stability, thereby reducing required board space and component cost ...

Page 2

... MIC5319-2.6YML MIC5319-2.7YML MIC5319-2.8YML MIC5319-2.8BML MIC5319-2.9YML MIC5319-3.0YML MIC5319-3.3YML MIC5319-3.3BML MIC5319-5.0YML MIC5319-5.0BML MIC5319YML MIC5319BML MIC5319-1.3HYD5 MIC5319-1.8YD5 MIC5319-1.85YD5 MIC5319-2.5YD5 MIC5319-2.6YD5 MIC5319-2.7YD5 MIC5319-2.8YD5 MIC5319-2.8BD5 MIC5319-2.9YD5 MIC5319-3.0YD5 MIC5319-3.3BD5 MIC5319-3.3YD5 MIC5319-5.0YD5 Notes: 1. Under-bar/Over-bar symbols may not be to scale. 2. For other output voltage options, contact Micrel Marketing. May 2010 ...

Page 3

... Fixed Adjustable − 5 − Pad HS pad May 2010 MIC5319BML/YML (Adjustable) 6-Pin 2mm × 2mm MLF ® Top View Pin Name Pin Name Fixed Enable Input: Active High. High = ON, Low = OFF. Do not leave 3 EN floating. 2 GND Ground. 1 VIN Supply Input. 5 VOUT Output Voltage. ...

Page 4

... θ (max Exceeding the maximum allowable J(max For outputs below 2.5V, OUT MIC5319 IN Max. Units +1.0 % +2.0 1.2625 V 1.275 %/V 0 400 µA 150 µ µVrms µs 100 0.2 ...

Page 5

... Micrel, Inc. Typical Characteristics May 2010 5 MIC5319 M9999-052510 ...

Page 6

... Micrel, Inc. Typical Characteristics (Continued) May 2010 6 MIC5319 M9999-052510 ...

Page 7

... Micrel, Inc. Functional Characteristics May 2010 7 MIC5319 M9999-052510 ...

Page 8

... Micrel, Inc. Functional Diagram May 2010 MIC5319 Block Diagram − Fixed MIC5319 Block Diagram − Adjustable 8 MIC5319 M9999-052510 ...

Page 9

... Adjustable Regulator Application Adjustable regulators use the ratio of two resistors to multiply the reference voltage to produce the desired output voltage. The MIC5319 can be adjusted from 1.25V to 5.5V by using two external resistors (Figure 1). The resistors set the output voltage based on the following equation: provide ...

Page 10

... JA T (max) = 125°C, the maximum junction temperature of J the die. θ thermal resistance = 93°C/W. JA Table 1 shows junction-to-ambient thermal resistance for the MIC5319 in the 2mm x 2mm MLF θ Recommended JA Package Minimum Footprint ® 2mm × 2mm MLF 93°C/W SOT-23-5 235°C/W Table 1 ...

Page 11

... Micrel, Inc. Package Information May 2010 ® 6-Pin 2mm × 2mm MLF (ML) 11 MIC5319 M9999-052510 ...

Page 12

... Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully May 2010 TSOT-23-5 (D5) indemnify Micrel for any damages resulting from such use or sale. © 2010 Micrel, Incorporated. 12 http://www.micrel.com M9999-052510 MIC5319 nt ...

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