MIC5305-2.8YD5 TR Micrel Inc, MIC5305-2.8YD5 TR Datasheet

IC,VOLT REGULATOR,FIXED,+2.8V,CMOS,TSOP,5PIN,PLASTIC

MIC5305-2.8YD5 TR

Manufacturer Part Number
MIC5305-2.8YD5 TR
Description
IC,VOLT REGULATOR,FIXED,+2.8V,CMOS,TSOP,5PIN,PLASTIC
Manufacturer
Micrel Inc
Datasheet

Specifications of MIC5305-2.8YD5 TR

Regulator Topology
Positive Fixed
Voltage - Output
2.8V
Voltage - Input
Up to 5.5V
Voltage - Dropout (typical)
0.06V @ 150mA
Number Of Regulators
1
Current - Output
150mA
Current - Limit (min)
300mA
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
Other names
576-2851-2
MIC5305-2.8YD5 TR
MIC5305-2.8YD5TR
MIC5305-2.8YD5TR
General Description
The MIC5305 is a high-performance, 150mA LDO regula-
tor, offering extremely high PSRR and very low noise while
consuming low ground current.
Ideal for battery-operated applications, the MIC5305
features 1% accuracy, extremely low-dropout voltage
(60mV @ 150mA), and low ground current at light load
(typically 90µA). Equipped with a logic-compatible enable
pin, the MIC5305 can be put into a zero-off-mode current
state, drawing no current when disabled.
The MIC5305 is a µCap design operating with very small
ceramic output capacitors for stability, thereby reducing
required board space and component cost.
The MIC5305 is available in fixed output voltages and
adjustable output voltages in the super-compact 6-pin
2mm × 2mm MLF
6-pin 2mm × 2mm Thin MLF
Additional voltage options are available. Contact Micrel
marketing.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Typical Application
3.0V
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.
June 2007
V
IN
1µF
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
®
leadless package, our new ultra-thin
VIN
EN
MIC5305
GND
VOUT
®
BYP
and thin SOT-23-5 package.
0.1µF
1µF
2.85V@150mA
V
OUT
1
Features
• Ultra-low dropout voltage of 60mV @ 150mA
• Input voltage range: 2.25 to 5.5V
• Stable with ceramic output capacitor
• 150mA guaranteed output current
• Low output noise — 20µVrms
• Low quiescent current of 90µA total
• High PSRR, up to 85dB @1kHz
• Less than 30µs turn-on time w/C
• High output accuracy:
• Thermal shutdown protection
• Current limit protection
• Tiny 6-pin 2mm × 2mm MLF
• Ultra-Thin 6-pin 2mm × 2mm Thin MLF
• Thin SOT-23-5 package
Applications
• Cellular phones
• PDAs
• Fiber optic modules
• Portable electronics
• Notebook PCs
• Audio Codec power supplies
150mA µCap Ultra-Low Dropout
±1.0% initial accuracy
±2.0% over temperature
LDO Regulator
MIC5305
100
90
80
70
60
50
40
30
20
10
70
60
50
40
30
20
10
0
0
0.1
0
(Bypass Pin Cap = 0.1µF)
20 40 60 80 100 120 140
OUTPUT CURRENT (mA)
Dropout Voltage
FREQUENCY (kHz)
1
®
package
PSRR
100µA
10
150mA
BYP
100
= 0.01µF
50mA
®
1k
package
M9999-062507

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MIC5305-2.8YD5 TR Summary of contents

Page 1

... Equipped with a logic-compatible enable pin, the MIC5305 can be put into a zero-off-mode current state, drawing no current when disabled. The MIC5305 is a µCap design operating with very small ceramic output capacitors for stability, thereby reducing required board space and component cost ...

Page 2

... MIC5305-2.9YML MIC5305-3.0BML MIC5305-3.0YML MIC5305-3.3BML MIC5305-3.3YML MIC5305-4.75BML MIC5305-4.75YML MIC5305BML MIC5305YML MIC5305-2.8YMT MIC5305-4.6YMT MIC5305-1.5BD5 MIC5305-1.5YD5 MIC5305-1.8BD5 MIC5305-1.8YD5 MIC5305-2.5BD5 MIC5305-2.5YD5 MIC5305-2.6BD5 MIC5305-2.6YD5 MIC5305-2.7BD5 MIC5305-2.7YD5 MIC5305-2.8BD5 MIC5305-2.8YD5 MIC5305-2.85BD5 MIC5305-2.85YD5 MIC5305-2.9BD5 MIC5305-2.9YD5 MIC5305-3.0BD5 MIC5305-3.0YD5 MIC5305-3.3BD5 MIC5305-3.3YD5 MIC5305-4.75BD5 MIC5305-4.75YD5 Note: 1. For other output voltage options, contact Micrel marketing. ...

Page 3

... EN GND VIN KWxx 4 5 BYP VOUT MIC5305-x.xBD5/YD5 (Fixed) TSOT-23-5 (D5) (Top View) Pin Name Enable Input. Active High. High = on, low = off. Do not leave floating. Ground. Supply Input. Output Voltage. Adjust Input: Connect to external resistor voltage divider network. No connection for fixed voltage parts. ...

Page 4

... JA Thin MLF-6 (θ ) ................................................93°C/W JA TSOT-23-5 (θ ) ..............................................235°C/W JA Min Typ –1.0 –2.0 0.02 0.1 0.5 = 0.1µF 600 300 1.0 0.01 0. θ . Exceeding the maximum allowable power D(max) J(max OUT MIC5305 IN Max Units +1 +2.0 40 pm/°C %/V 0 110 90 µA 150 µA ...

Page 5

... FREQUENCY (kHz) Ground Pin Current -40 -20 0 TEMPERATURE (°C) Dropout Characteristics 3 100µA LOAD 3 2.5 2 1 INPUT VOLTAGE (V) Dropout Voltage 100 -40 -20 0 TEMPERATURE (°C) MIC5305 PSRR 150mA 50mA 10 100 150mA LOAD 100 120 I = 150mA LOAD 100mA OUT 100 120 M9999-062507 ...

Page 6

... OUTPUT CURRENT (mA) Enable Threshold vs. Temperature 1 0.9 0.8 0.7 0.6 0.5 0 100µA LOAD 0.3 -40 - 100 120 TEMPERATURE (°C) 6 MIC5305 Short Circuit Current 800 700 600 500 400 300 200 100 0 3 3.5 4 4.5 5 5.5 6 INPUT VOLTAGE (V) Output Noise Spectral Density ...

Page 7

... BYP I = 100µA OUT C = 1µF Ceramic OUT C = 0.01µF BYP I = 100µA OUT C = 1µF Ceramic 1µF Ceramic OUT 7 MIC5305 Load Transient Response C = 0.01µF BYP 1µF Ceramic OUT TIME (4µs/div) Shutdown Delay C = 0.01µF BYP I = 100µA OUT ...

Page 8

... Micrel, Inc. Functional Diagram VIN EN BYP VIN EN BYP June 2007 Quick- V REF Start Thermal Shutdown MIC5305 Block Diagram – Fixed Quick- V REF Start Error LDO Amp Thermal Shutdown Current MIC5305 Block Diagram – Adjustable 8 VOUT Error LDO Amp Current Limit GND ...

Page 9

... Micrel, Inc. Application Information Enable/Shutdown The MIC5305 comes with an active-high enable pin that allows the regulator to be disabled. Forcing the enable pin low disables the regulator and sends it into a “zero” off-mode-current state. In this state, current consumed by the regulator goes nearly to zero. Forcing the enable pin high enables the output voltage ...

Page 10

... Micrel, Inc. Table 1 shows junction-to-ambient thermal resistance for the MIC5305 in the 6-pin 2mm × 2mm MLF θ JA Recommended Package Minimum Footprint ® 6-Pin 2x2 MLF 93°C/W Table 1. Thermal Resistance Substituting P for P and solving for the ambient D D(max) operating temperature will give the maximum operating conditions for the regulator circuit ...

Page 11

... Micrel, Inc. Package Information June 2007 ® 6-Pin 2x2 MLF (ML) ® 6-Pin 2x2 Thin MLF (MT) 11 MIC5305 M9999-062507 ...

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 June 2007 5-Pin TSOT-23 (D5) indemnify Micrel for any damages resulting from such use or sale. © 2004 Micrel, Incorporated. 12 MIC5305 M9999-062507 ...

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